tag:blogger.com,1999:blog-61848971577757298052023-11-16T18:42:19.300+08:00Dato DeaNialRojak Campur-Unknownnoreply@blogger.comBlogger23125tag:blogger.com,1999:blog-6184897157775729805.post-58714638656332658372014-05-01T23:50:00.001+08:002014-05-01T23:50:48.340+08:00Cara Flash Lenovo A880 (CWM)<span style="background-color: white;"><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;">Tools Yg Diperlukan :</span><br style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;" /><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;">1 - </span><a href="http://www.needrom.com/mobile/lenovo-a880-4/" style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px; outline: none;" target="_blank">Rom S027 Zip</a><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;"> ( letak dalam memory card ) - register dahulu baru boleh download</span><br style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;" /><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;">2 - </span><a href="https://www.dropbox.com/s/xty6a3ex2mg4g9h/recovery2.img" style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px; outline: none;" target="_blank">Recovery2 Img</a><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;"> ( letak dalam internal storage ) - jika phone anda belum ada cwm</span><br style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;" /><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;">3 - </span><a href="https://mega.co.nz/#!LxJmkZII!ZAAcXWgq3YtM6q0FRf_LS1I-Ca0xR_eeQbcHwU1N0kE" style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px; outline: none;" target="_blank">Twrp.Img</a><span style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 20px;"> ( jika anda ingin gunakan TWRP bg menggantikan CWM )</span></span><br />
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<span style="background-color: white;"><br />SILA BACA DAHULU<br />- jika anda sudah mempunyai menu seperti gambar di bawah, anda boleh off phone anda dan boot semula dengan menekan ( vol up + vol down + power button ) dan terus ke STEP 7</span><div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlsiBSEZ5-e1Jz-1Uy3nzYM3VdDJAuobzkUzMrdlsXYdhUP-APqqTvHDDC1HyDOY1hZnHBCl19aBsvuH6w1CdiTeqJ2P4urXK86OEiHsCL7PxvVX5exHRlfUg8k7AOwmAApeNLZuPJ78Q/s1600/cwm-recovery-menu-GALAXY-S2.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; outline: none;"><span style="background-color: white;"><span style="color: black;"><img border="0" height="175" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlsiBSEZ5-e1Jz-1Uy3nzYM3VdDJAuobzkUzMrdlsXYdhUP-APqqTvHDDC1HyDOY1hZnHBCl19aBsvuH6w1CdiTeqJ2P4urXK86OEiHsCL7PxvVX5exHRlfUg8k7AOwmAApeNLZuPJ78Q/s1600/cwm-recovery-menu-GALAXY-S2.jpg" style="border: none; padding: 0px;" width="320" /></span></span></a></div>
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<span style="background-color: white;"><br /><br /><br /><br /><br /><br /><br /><br /><br />STEP 1 ( Phone mestilah dah root )<br />- Download Software " Mobile Uncle Tools " Dari Playstore<br />- Start Software Mobile Uncle Tools dan tekan " GRANT "<br /><br />STEP 2<br />- Klik menu Recovery Update<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjd16HpaK-Z_AJhP4vRbDQMS9rIVBXvNya15YhS8C5ieHLi2xKFnYNmQMZzV730QGOuwcdGcNf8W-aLcBIiIHxPyHrRHUMSwFDgCnyvcU9ZvQwqD1XsLy69E2bm1N1GN8c23PPdKWzFLNg/s1600/Screenshot_2014-03-07-13-41-38.png" imageanchor="1" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em; outline: none; text-align: center;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjd16HpaK-Z_AJhP4vRbDQMS9rIVBXvNya15YhS8C5ieHLi2xKFnYNmQMZzV730QGOuwcdGcNf8W-aLcBIiIHxPyHrRHUMSwFDgCnyvcU9ZvQwqD1XsLy69E2bm1N1GN8c23PPdKWzFLNg/s1600/Screenshot_2014-03-07-13-41-38.png" style="border: none; padding: 0px;" width="180" /></a><br /><br />STEP 3 - Klik Recovery2.Img</span></div>
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<span style="background-color: white;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHHaYbGYnJpBwjgcSxST3K0szaAK7fGJGq2o7mbISgAUB2F9BLJGcjdV4hARgSQY8PsUxZBlcYMq9KKMRQXa6iIdJD-J1iiQZXbajHwfQK416UNu04RKGIllqvhzBZinY8N1fWCi_j-Os/s1600/Screenshot_2014-03-07-13-41-50.png" imageanchor="1" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em; outline: none; text-align: center;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHHaYbGYnJpBwjgcSxST3K0szaAK7fGJGq2o7mbISgAUB2F9BLJGcjdV4hARgSQY8PsUxZBlcYMq9KKMRQXa6iIdJD-J1iiQZXbajHwfQK416UNu04RKGIllqvhzBZinY8N1fWCi_j-Os/s1600/Screenshot_2014-03-07-13-41-50.png" style="border: none; padding: 0px;" width="180" /></a><br /><br />STEP 4 - Klik Ok</span></div>
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<span style="background-color: white;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2PZPD5NeRMKP3vOMTqkWitRaeWxfHAVk3WgD65hKYfLWVb_2LOM8gVe_DotSvDQ6NHwJEqEp0IkVVBi6f_yYRkF9sDuZjZiNXoCG5tForm6Lcnc10XRfpTUA30VIS4FqkbIyGQdiCzaY/s1600/Screenshot_2014-03-07-13-41-55.png" imageanchor="1" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em; outline: none; text-align: center;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2PZPD5NeRMKP3vOMTqkWitRaeWxfHAVk3WgD65hKYfLWVb_2LOM8gVe_DotSvDQ6NHwJEqEp0IkVVBi6f_yYRkF9sDuZjZiNXoCG5tForm6Lcnc10XRfpTUA30VIS4FqkbIyGQdiCzaY/s1600/Screenshot_2014-03-07-13-41-55.png" style="border: none; padding: 0px;" width="180" /></a><br /><br />STEP 5 - Klik Ok</span></div>
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<span style="background-color: white;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6ulJB42DpJwkoZ4U4CkCF0ZBjsahM6iXQKA9pbkyUlRfp4DnKcZvjlnPiy8W0LFDYegMMExhT8vscGjPHrJ4CmM4ZOTNCXRalUILPolMmJAmXbqKuInGIPQrVDcNU08GCQjKEd0tyJRI/s1600/Screenshot_2014-03-07-13-42-04.png" imageanchor="1" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em; outline: none; text-align: center;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6ulJB42DpJwkoZ4U4CkCF0ZBjsahM6iXQKA9pbkyUlRfp4DnKcZvjlnPiy8W0LFDYegMMExhT8vscGjPHrJ4CmM4ZOTNCXRalUILPolMmJAmXbqKuInGIPQrVDcNU08GCQjKEd0tyJRI/s1600/Screenshot_2014-03-07-13-42-04.png" style="border: none; padding: 0px;" width="180" /></a><br /><br />STEP 6<br />- Nanti dia akan keluar menu seperti di bawah atau lebih kurang mcm di bawah</span><div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG2WUti2Chrs8ygdkFAFvGY3sWVE3_0kwHKpfJ7xQAAOrbGX-v0WmSkoe3bQYQLwjr-IKWPrGwjjiBePlb1f5UKOpeCIMN85E-iEI7uCJbUXMkyNMi1y4gURLPx1rxAC8n0tqj96Raq48/s1600/cwm-recovery-menu-GALAXY-S2.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; outline: none;"><span style="background-color: white;"><span style="color: black;"><img border="0" height="175" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG2WUti2Chrs8ygdkFAFvGY3sWVE3_0kwHKpfJ7xQAAOrbGX-v0WmSkoe3bQYQLwjr-IKWPrGwjjiBePlb1f5UKOpeCIMN85E-iEI7uCJbUXMkyNMi1y4gURLPx1rxAC8n0tqj96Raq48/s1600/cwm-recovery-menu-GALAXY-S2.jpg" style="border: none; padding: 0px;" width="320" /></span></span></a></div>
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<span style="background-color: white;"><br /><br /><br /><br /><br /><br /><br /><br /><br />STEP 7<br />- Ikut arahan seperti di bawah ( bg yg guna 020, boleh terus ke langkah 3 )<br />1 - wipe data / factory reset<br />2 - yes -- delete all user data ( tunggu hingga selesai )<br />3 - wipe cache partition<br />4 - yes -- wipe cache ( xlama )<br />5 - advanced<br />6 - wipe dalvik cache<br />7 - yes -- wipe dalvik cache ( xlama )<br />9 - install zip from sd card<br />10 - choose zip from sd card<br />11 - pilih lenovo_a880s027EN_mod.zip<br />12 - yes -- install a880s027EN_mod.zip<br />13 - proses tidak begitu lama. jika sudah selesai atau complete,<br />14 - go back<br />15 - reboot system now<br /><br />TAHNIAH. ANDA BERJAYA FLASH TELFON ANDA DENGAN TANGAN SENDIRI DAN SECARA PERCUMA. SENANG JE KAN??</span></div>
Anonymoushttp://www.blogger.com/profile/08796639780801719415noreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-3320825965039372242014-04-22T20:58:00.003+08:002014-04-22T20:58:36.092+08:00REPARTITION S920<div class="post_body" id="pid_3446" style="font-family: Verdana, Arial, sans-serif; font-size: 13px; line-height: 18.200000762939453px; padding: 5px;">
<span style="background-color: white;"><br /><br /><span style="font-weight: bold;">INI HANYA UTK S920 versi 4GB SAHAJA</span><br /><br />ada 2 cara...<br /><br /><span style="font-weight: bold;">CARA 1: FLASHTOOL METHOD (guna PC)</span><br /><br />1. Download stock rom <a href="https://docs.google.com/file/d/0B7jr_NdaGoEjQ0JFWGpCRlhhcFU/edit?pli=1" style="text-decoration: none;" target="_blank"><span style="font-weight: bold;">S920_ROW_S117</span></a> dan extract di PC<br />2. Download file <a href="http://www.mediafire.com/download/gc12vchb6tocxwg/EBR2" style="text-decoration: none;" target="_blank"><span style="font-weight: bold;">EBR2</span></a> dan file <a href="http://www.mediafire.com/view/2syuseukcs9ywm2/Checksum.ini" style="text-decoration: none;" target="_blank"><span style="font-weight: bold;">Checksum.ini</span></a> lalu replace file asal yg ada di folder S920_ROW_S117\target_bin<br />3. Install/flash stock rom menggunakan SP Flashtool yg ada bersama stock rom tadi.<br /><br />Cara flash dan driver follow <a href="http://www.lepakspot.com/showthread.php?tid=666" style="text-decoration: none;" target="_blank"><span style="font-weight: bold;">DISINI</span></a><br /><br /><br /><span style="font-weight: bold;">CARA 2: TANPA FLASHTOOL & PC</span><br /><br />PASTIKAN ADA RUANG SEKURANGNYA 1.5GB DI SDCARD ANDA<br /><br />1. Copy file ini ke sdcard: <a href="http://www.mediafire.com/download/bcc3yhpb73y20oz/S920ROW_ReParted_Data_no_int_sd.zip" style="text-decoration: none;" target="_blank"><span style="font-weight: bold;">S920ROW_ReParted_Data_no_int_sd.zip</span></a><br />2. Masuk ke CWM<br />- Wipe Cache, Wipe Dalvik<br />- Instal from SD Card<br />- Reboot<br /><br />Repartition ini akan menjadikan INTERNAL STORAGE 3.6GB</span></div>
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Anonymoushttp://www.blogger.com/profile/08796639780801719415noreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-66272743587676722932014-04-13T07:00:00.000+08:002014-04-13T07:00:23.888+08:00Apakah itu Flash/Flashing Rom/Kernel ?<div style="background-color: white; color: #141823; font-family: Helvetica, Arial, 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 14px; line-height: 19.31999969482422px; margin-bottom: 6px;">
Membaca jambatan ilmu , ayuh kita membaca untuk menambahkan pengetahuan kita <i class="_4-k1 img sp_7w9zuu sx_cd0b3e" style="background-image: url(https://fbstatic-a.akamaihd.net/rsrc.php/v2/yH/r/eUYfuBIR9S1.png); background-position: -153px -799px; background-repeat: no-repeat no-repeat; background-size: auto; display: inline-block; height: 16px; vertical-align: -3px; width: 16px;"></i><br />Copypaste</div>
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<b><br />Apakah itu Rom ?</b></div>
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ROM – Read Only Memory adalah tempat penyimpanan data (dalam bahasan ini file sistem) yang berbentuk Chip-IC. Jadi secara umum baik Stock ROM maupun Custom ROM boleh diistilahkan sebagai sebuah file sistem yang berbentuk software-firmware yang letaknya di IC ROM perangkat (analogi fungsinya seperti IC BIOS pada Komputer-mengatur semua peripheral pada mainboard dengan menggunakan Kernel sebagai akses utama ) yang kemudian dimodifikasi sedemikian rupa agar mampu dilakukan apa saja sesuai dengan keinginan, tentunya tetap berbasis versi firmware asli/Stock ROM dari perangkat keluaran factory atau vendor tersebut. Secara teknikalnya, file sistem dalam Stock ROM di peranti andorid tersebut diambil-download oleh Custom Developer dari pihak ketiga untuk dimodifikasi mereka sesuai keinginan, selanjutnya ditanamkan lagi keperanti tersebut atau keperanti lain yang support melalui cara flashing.</div>
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<b>Custom ROM</b></div>
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<br />Custom ROM adalah sebuah firmware yang sudah di develop oleh develop pihak ke-3 dengan maksud dan tujuan tertentu . Biasanya Custom ROM dimaksudkan dengan mengubah firmware asli dari vendor atau yang biasa disebut dengan Stock ROM. Tapi penerapan ini bukan hanya terdapat pada perangkat android saja melainkan pada beberapa jenis komputer ataupun handphone, tapi yang kita ingin jelaskan disini adalah mengenai android. Biasanya para develop pihak ketiga mengganti, Menghilangkan atau menghapus dan menambahkan beberapa hal yang menjadi kelemahan dari vendor. Fungsi dari Custom ROM itu sangat menguntungkan,.</div>
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<b>Sejarah Perkembangan Custom ROM Android</b></div>
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Asalnya... Custom ROM Android tidak lepas dari tangan-tangan jahat/nakal para hacker dan unlocker peranti2 (sebelum ada Custom Developer). bila mereka rasa ada masalah ( bug ) dalam sistem peranti Android keluaran pengeluar, waktu tu lah mereka nak memperbaikinya (Stand Alone Version). Tapi waktu itu hasil kerja tangan mereka masih belum banyak dan sebanyak yang ada seperti sekarang, sebab komuniti untuk itu tak banyak pengetahuan mengenai Root peranti itu senditi, dan memang pada awalnya Operating Sistem Android berbasis Linux yang Open Source memberi kebebasan para developer pihak ketiga untuk menghasil Custom ROM sebaik-baiknya berdasarkan selera dan kemampuan mereka. so, muncullah berbagai macam jenis... bahkan ribuan Custom ROM, yang masing-masing menawarkan serta memiliki fungsi2 menarik yang bermacam-macam pula. Custom ROM dengan jenis yang sama berkembang menjadi macam-macam versi juga, yang tentunya versi tertinggi atau terbaru adalah penyempurnaan dari versi firmware yang terdahulu (tiap versi Custom ROM juga tergantung dari basic Versi Android OS).</div>
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<b>Keuntungan Custom ROM</b></div>
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Sebenarnya banyak sekali fungsi dari Custom ROM, tapi ini adalah secara umumnya :</div>
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1. Memperbaiki ciri-ciri yang menjadi kelemahan vendor, kadang-kadang ciri dari bawaan vendor ini kurang bagus , contohnya pada ciri bawaan vendor kita diharuskan mengaktifkan jaringan internet dengan masuk ke Setting tetapi jika menggunakan Custom ROM hal ini dipermudah dengan menyediakan widget turn on/off di status bar.</div>
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2. Mengubah tampilan android menjadi lebih menarik. Yang ini sering menjadi keluhan oleh user android, sebab tampilan Android dari vendor kurang menarik, walaupun sebenarnya kita boleh je menggunakan beberapa launcher yang memiliki tampilan UI yang lebih menarik tetapi tampilan pada launcher application tidak berfungsi sebagai tampilan utama , dan mungubah tampilan sistem Android anda , maksudnnya disini aplikasi launcher bukanlah tampilan seluruh sistem . Contoh lanjut , seluruh UI Lenovo anda boleh kelihatan seperti UI Sony , Samsung dsb.</div>
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3. Membuat pemakainya menjadi lebih friendly. Selalunya, sebuah stock ROM yang disediakan dari vendor tidak memberikan kesenangan yang begitu memuaskan, maka salah satu fungsi inilah yang menyebabkan adanya Custom ROM.</div>
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4. Meningkatkan sedikit kemampuan sehingga performance Android menjadi lebih cepat. Jika anda memiliki android yang lag tak kena tempat dan kemampuan ? main angry bird pun lag sedangkan quadcore l.7ghz - 2.0ghz , haha , mungkin inilah jawapannya.</div>
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5. Mengurangi beberapa Bug pada vendor. Selalunya, bug pada stock ROM adalah hal yang paling kita kesalkan namun kehadiran Custom ROM adalah jalan penyelesaiannya .</div>
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Kerugian Custom ROM</div>
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<b>Sebenarnya tak banyak kekurangan custom rom ni dan jarang terjadi :</b></div>
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1. Menghilangkan waranty . Inilah yang harus anda pikirkan kita harus benar-benar yakin akan resiko yang akan kita terima.</div>
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2. Kelebihannya boleh bertukar menjadi bug dari semasa ke semasa tambahan pula custom rom tu baru dihasilkan , tapi hal ini jarang terjadi. Anda juga harus bijak memilih dan mengkaji dahulu Custom rom tersebut sebelum pasangkan pada peranti anda .</div>
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3. Instalasi custom ROM boleh saya cakapkan sebagai cukup mudah dan kacang je , banyak tutorial yang tersedia di internet. Namun apabila terjadi sedikit kesalahan pada proses instalasi tersebut, salah langkah boleh mengakibatkan peranti Android Anda menghadapi masalah seperti data hilang, file-file sistem corupt , beberapa peranti bahkan tidak boleh boot , bootloop ,brick (mati sangkut pada logo) .. jadi , hati-hatilajh dan follow step by step ye .</div>
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4. Fungsi beberapa bahagian pereranti akan hilang atau tidak boleh nak digunakan setelah anda menginstall beberapa jenis ROM yang dimodifikasi tersebut, berubah dari sebelum anda menggunakan firmware asli atau Stock ROM.</div>
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<b>Kernel</b></div>
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untuk kernel, kernel itu merupakan sistem inti yang menjadi jantung dari sistem operasi. operasi2 yang dijalankan oleh os, itu diproses oleh kernel. kernel di android juga boleh diubah. dan tentunya akan membawa keuntungan bagi sistem operasi atau custom romnya itu sendiri. selalunya, developer kernel itu disesuaikan dengan custom rom nya. kita tidak boleh nak mengganti kernel kita dengan kernel lain yang tidak direkomendasikan oleh pembuat custom rom sewenang2nye. </div>
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Di saat kita memflashing custom rom pada phone android kita, di dalam custom rom itu sendiri sebenarnya sudah tersedia kernel. dan selalunye kernel tersebut sudah dimodifikasi. namun tidak semua phone menyediakan custom kernel. ada beberapa phone, yang bootloadernya dikunci oleh perusahaan phone itu sendiri. sehingga kita hanya dapat mengganti OSnya, tanpa dapat mengganti kernelnya. untuk DHD, bootloadernya tidak dikunci, sehingga kita bebas flashing kernel.</div>
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<b>BaseBand</b></div>
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Salah satu bagian dari Firmware yang berfungsi sebagai alat komunikasi antara OS, hardware telekomunikasi dan penyedia jaringan telefon. Modem di Android berperanan meningkatkan operasi GPRS, 3G/E/H, WiFi, GPS, Bluetooth dan operasi bateri.</div>
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<b>Apakah itu Flash/Flashing Rom/Kernel ?</b></div>
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Bahasa mudahnya ialah . proses pasang/instal/menggantikan rom dalam handset android kita.</div>
Anonymoushttp://www.blogger.com/profile/08796639780801719415noreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-37340527101460737562014-03-13T17:59:00.000+08:002014-03-13T18:12:15.436+08:00Measuring Performance on Hyper-V (Perfmon)<h1 class="title" style="color: #707070; font-family: 'Segoe UI Light', 'Segoe UI', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-weight: normal; line-height: 1.167; margin-top: 0px;">
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Measuring Performance on Hyper-V</span></h1>
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<i><span style="font-size: x-small;">source: http://technet.microsoft.com/en-us/library/cc768535(BTS.10).aspx</span></i></div>
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<span style="line-height: 18px;">While most of the principles of analyzing performance of a guest operating system installed on a Hyper-V virtual machine performance are the same as analyzing the performance of an operating system installed on a physical machine, many of the collection methods are different. The following considerations are significant when evaluating performance of your BizTalk Server solution running on a guest operating system installed on a Hyper-V virtual machine.</span><br />
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The following considerations apply when measuring disk I/O performance on a guest operating system installed on a Hyper-V virtual machine:</div>
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<li class="unordered" style="list-style-image: none;"><strong>Measure disk latency on a Hyper-V host operating system</strong> – The best initial indicator of disk performance on a Hyper-V host operating system is obtained by using the “\Logical Disk(*)\Avg. sec/Read” and “\Logical Disk(*)\Avg. sec/Write” performance monitor counters. These performance monitor counters measure the amount of time that read and write operations take to respond to the operating system. As a general rule of thumb, average response times greater than 15ms are considered sub-optimal. This is based on the typical seek time of a single 7200 RPM disk drive without cache. The use of logical disk versus physical disk performance monitor counters is recommended because Windows applications and services utilize logical drives represented as drive letters wherein the physical disk (LUN) presented to the operating system can be comprised of multiple physical disk drives in a disk array. Use the following rule of thumb when measuring disk latency on the Hyper-V host operating system using the \Logical Disk(*)\Avg. Disk sec/Read or \Logical Disk(*)\Avg. Disk sec/Write performance monitor counters:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">1ms to 15ms = Healthy</li>
<li class="unordered" style="list-style-image: none;">15ms to 25ms = Warning or Monitor</li>
<li class="unordered" style="list-style-image: none;">26ms or greater = Critical, performance will be adversely affected</li>
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<tr><td style="border: 1px solid rgb(187, 187, 187); color: #2a2a2a; margin: 10px; padding: 10px 8px; vertical-align: top;">Physical disks installed on a non-virtualized environment offer better performance than disks accessed through a Hyper-V host operating system. If disk performance is absolutely critical to the overall performance of your application, consider hosting disks on physical hardware only.<br />
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<li class="unordered" style="list-style-image: none;"><strong>Measure disk latency on guest operating systems</strong> – Response times of the disks used by the guest operating systems can be measured using the same performance monitor counters used to measure response times of the disks used by the Hyper-V host operating system.</li>
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For more information about disk performance analysis, see the following resources:</div>
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<li class="unordered" style="list-style-image: none;">Ruling Out Disk-Bound Problems at <a href="http://go.microsoft.com/fwlink/?LinkId=120947" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=120947</a>.</li>
<li class="unordered" style="list-style-image: none;">SQL Server Predeployment I/O Best Practices at <a href="http://go.microsoft.com/fwlink/?LinkId=120948" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=120948</a>.</li>
<li class="unordered" style="list-style-image: none;">How to Identify a Disk Performance Bottleneck Using the Microsoft Server Performance Advisor (SPA) Tool at<a href="http://go.microsoft.com/fwlink/?LinkID=98096" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkID=98096</a>.</li>
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Use the following performance monitor counters to measure the impact of available memory on the performance of a guest operating system installed on a Hyper-V virtual machine:</div>
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<li class="unordered" style="list-style-image: none;"><strong>Measure available memory on the Hyper-V host operating system</strong> – The amount of physical memory available to the Hyper-V host operating system can be determined by monitoring the “\Memory\Available MBytes” performance monitor counter on the physical computer. This counter reports the amount of free physical memory available to the host operating system. Use the following rules of thumb when evaluating available physical memory available to the host operating system:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;"><strong>\Memory\Available Mbytes</strong> – Available MBytes measures the amount of physical memory available to processes running on the computer, as a percentage of physical memory installed on the computer. The following guidelines apply when measuring the value of this performance monitor counter:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">50% of free memory available or more = Healthy</li>
<li class="unordered" style="list-style-image: none;">25% of free memory available = Monitor</li>
<li class="unordered" style="list-style-image: none;">10% of free memory available = Warning</li>
<li class="unordered" style="list-style-image: none;">Less than 5% of free memory available = Critical, performance will be adversely affected</li>
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<li class="unordered" style="list-style-image: none;"><strong>\Memory\Pages/sec</strong> – This performance monitor counter measures the rate at which pages are read from or written to disk to resolve hard page faults. To resolve hard page faults, the operating system must swap the contents of memory to disk, which negatively impacts performance. A high number of pages per second in correlation with low available physical memory may indicate a lack of physical memory. The following guidelines apply when measuring the value of this performance monitor counter:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">Less than 500 = Healthy</li>
<li class="unordered" style="list-style-image: none;">500 - 1000 = Monitor or Caution</li>
<li class="unordered" style="list-style-image: none;">Greater than 1000 = Critical, performance will be adversely affected</li>
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For more information about the impact of available physical memory on application server performance, see the Exchange Server 2003 Help topic “Ruling Out Memory-Bound Problems” at <a href="http://go.microsoft.com/fwlink/?LinkId=121056" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=121056</a>.</li>
<li class="unordered" style="list-style-image: none;"><strong>Measure available memory on the guest operating system</strong> – Memory that is available to the guest operating systems can be measured with the same performance monitor counters used to measure memory available to the Hyper-V host operating system.</li>
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Hyper-V allows guest computers to share the same physical network adapter. While this helps to consolidate hardware, take care not to saturate the physical adapter. Use the following methods to ensure the health of the network used by the Hyper-V virtual machines:</div>
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<li class="unordered" style="list-style-image: none;"><strong>Test network latency</strong> – Ping each virtual machine to ensure adequate network latency. On local area networks, expect to receive less than 1ms response times.</li>
<li class="unordered" style="list-style-image: none;"><strong>Test for packet loss</strong> – Use the pathping.exe utility to test packet loss between virtual machines. Pathping.exe measures packet loss on the network and is available with all versions of Windows Server since Windows Server 2000. Pathping.exe sends out a burst of 100 ping requests to each network node and calculates how many pings are returned. On local area networks there should be no loss of ping requests from the pathping.exe utility.</li>
<li class="unordered" style="list-style-image: none;"><strong>Test network file transfers</strong> – Copy a 100MB file between virtual machines and measure the length of time required to complete the copy. On a healthy 100Mbit (megabit) network, a 100MB (megabyte) file should copy in 10 to 20 seconds. On a healthy 1Gbit network, a 100MB file should copy in about 3 to 5 seconds. Copy times outside of these parameters are indicative of a network problem. One common cause of poor network transfers occurs when the network adapter has “auto detected” a 10MB half-duplex network which prevents the network adapter from taking full advantage of available bandwidth.</li>
<li class="unordered" style="list-style-image: none;"><strong>Measure network utilization on the Hyper-V host operating system</strong> – Use the following performance monitor counters to measure network utilization on the Hyper-V host operating system:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;"><strong>\Network Interface(*)\Bytes Total/sec</strong> – The percentage of network utilization is calculated by multiplying Bytes Total/sec by 8 to convert it to bits, multiply the result by 100, then divide by the network adapter’s current bandwidth. Use the following thresholds to evaluate network bandwidth utilization:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">Less than 40% of the interface consumed = Healthy</li>
<li class="unordered" style="list-style-image: none;">41%-64% of the interface consumed = Monitor or Caution</li>
<li class="unordered" style="list-style-image: none;">65-100% of the interface consumed = Critical, performance will be adversely affected</li>
</ul>
</li>
<li class="unordered" style="list-style-image: none;"><strong>\Network Interface(*)\Output Queue Length</strong> – The output queue length measures the number of threads waiting on the network adapter. If there are more than 2 threads waiting on the network adapter, then the network may be a bottleneck. Common causes of this are poor network latency and/or high collision rates on the network. Use the following thresholds to evaluate output queue length:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">0 = Healthy</li>
<li class="unordered" style="list-style-image: none;">1-2 = Monitor or Caution</li>
<li class="unordered" style="list-style-image: none;">Greater than 2 = Critical, performance will be adversely affected.</li>
</ul>
Ensure that the network adapters for all computers (physical and virtual) in the solution are configured to use the same value for maximum transmission unit (MTU). For more information about configuring the MTU value see “Appendix A: TCP/IP Configuration Parameters” at <a href="http://go.microsoft.com/fwlink/?LinkId=113716" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=113716</a>.<br /><br />If an output queue length of 2 or more is measured, consider adding one or more physical network adapters to the physical computer that hosts the virtual machines and bind the network adapters used by the guest operating systems to these physical network adapters.</li>
</ul>
</li>
<li class="unordered" style="list-style-image: none;"><strong>Measure network utilization on the guest operating systems</strong> – If a network adapter on the Hyper-V root partition is busy as indicated by the performance monitor counters mentioned above, then consider using the "\Hyper-V Virtual Network Adapter(*)\Bytes/sec" performance monitor counter to identify which virtual network adapters are consuming the most network utilization.</li>
</ul>
<div style="line-height: 18px; padding-bottom: 15px;">
For more information about network performance analysis, see “Chapter 15 - Measuring .NET Application Performance” at <a href="http://go.microsoft.com/fwlink/?LinkId=121073" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=121073</a>.</div>
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<a class="LW_CollapsibleArea_TitleAhref" href="https://www.blogger.com/null" style="color: black; outline: none;" title="Click to collapse. Double-click to collapse all."><span class="cl_CollapsibleArea_expanding LW_CollapsibleArea_Img" style="background-attachment: scroll; background-image: url(http://i3.technet.microsoft.com/Areas/Epx/Content/Images/ImageSprite.png); background-position: -421px -3px; background-repeat: no-repeat no-repeat; border-width: 0px; display: block; float: left; height: 12px; margin-bottom: 0px; margin-top: 10px; overflow: hidden; vertical-align: middle; width: 9px;"></span><span class="LW_CollapsibleArea_Title" style="color: #2a2a2a; display: block; font-size: 1.692em; overflow: hidden; padding-left: 10px;">Measuring Processor Performance</span></a><br />
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The following considerations apply when evaluating processor performance on a guest operating system installed on a Hyper-V virtual machine:</div>
<ul>
<li class="unordered" style="list-style-image: none;"><strong>Guest operating system processors do not have a set affinity to physical processors/cores</strong> – The hypervisor determines how physical resources are used. In the case of processor utilization, the hypervisor schedules the guest processor time to physical processor in the form of threads. This means the processor load of virtual machines will be spread across the processors of the physical computer. Furthermore, virtual machines cannot exceed the processor utilization of the configured number of logical processors, for example if a single virtual machine is configured to run with 2 logical processors on a physical computer with 8 processors/cores, then the virtual machine cannot exceed the processor capacity of the number of configured logical processors (in this case 2 processors).</li>
<li class="unordered" style="list-style-image: none;"><strong>Measure guest operating system processor utilization</strong> – Traditionally, processor performance can be measured using the “\Processor(*)\% Processor Time” performance monitor counter. This is not an accurate counter for evaluating processor utilization of a guest operating system though because Hyper-V measures and reports this value relative to the number of processors allocated to the virtual machine. If more processors are allocated to running virtual machines than are actually present on the physical computer, the value returned by each guest operating system for the “\Processor(*)\% Processor Time” performance monitor counter will be low, even if in fact processor utilization is a bottleneck. This occurs because the virtual processors utilize the physical processors in a round-robin fashion. Each virtual processor will try and allocate itself a share of overall system resources, so in a 4 physical processor system, each virtual processor will by default try to utilize 25% of the system resources. If 8 virtual processors are created this means that collectively the virtual processors will attempt to utilize 200% of the server CPU capacity. In this case, each virtual processor will report a low utilization as measured by the “\Processor(*)\% Processor Time” performance monitor counter (relative to the level it expects) and the excessive context switching between the virtual processors will result in poor performance for each virtual machine. In this scenario, consider reducing the number of virtual processors allocated to Hyper-V virtual machines on the host operating system.<br />Hyper-V provides hypervisor performance objects to monitor the performance of both logical and virtual processors. A logical processor correlates directly to the number of processors or cores that are installed on the physical computer. For example, 2 quad core processors installed on the physical computer would correlate to 8 logical processors. Virtual processors are what the virtual machines actually use, and all execution in the root and child partitions occurs in virtual processors.<br />To accurately measure the processor utilization of a guest operating system, use the “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” performance monitor counter on the Hyper-V host operating system. Use the following thresholds to evaluate guest operating system processor utilization using the “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” performance monitor counter:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">Less than 60% consumed = Healthy</li>
<li class="unordered" style="list-style-image: none;">60% - 89% consumed = Monitor or Caution</li>
<li class="unordered" style="list-style-image: none;">90% - 100% consumed = Critical, performance will be adversely affected</li>
</ul>
To troubleshoot processor performance of guest operating systems on a Hyper-V environment, it is best to strive for a balance between the values reported by the host operating system for “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” (LPTR) and “\Hyper-V Hypervisor Virtual Processor(_Total)\% Total Run Time” (VPTR). If LPTR is high and VPTR is low then verify that there are not more processors allocated to virtual machines than are physically available on the physical computer. Use the “\Hyper-V Hypervisor Virtual Processor(*)\%Guest Run Time” counters to determine which virtual Processors are consuming CPU and de-allocate virtual processors from virtual machines as appropriate to configure a one to one mapping of virtual processors to logical processors. For more information about configuring a one to one mapping of virtual processors to logical processors see the “Optmizing Processor Performance” section in <a href="http://technet.microsoft.com/en-us/library/cc768529(v=bts.10).aspx" style="color: #0066dd; text-decoration: none;">Optimizing Performance on Hyper-V</a>. If VPTR is high and LPTR is low then consider allocating additional processors to virtual machines if there are available logical processors and if additional processors are supported by the guest operating system. In the case where VPTR is high, LPTR is low, there are available logical processors to allocate, but additional processors are not supported by the guest operating system, consider scaling out by adding additional virtual machines to the physical computer and allocating available processors to these virtual machines. In the case where both VPTR and LPTR are high, the configuration is pushing the limits of the physical computer and should consider scaling out by adding another physical computer and additional Hyper-V virtual machines to the environment. The flowchart below describes the process that should be used when troubleshooting processor performance in a Hyper-V environment.<br /><br /><br /><br /><img alt="Troubleshooting CPU Performance on Hyper-V" src="http://i.technet.microsoft.com/dynimg/IC194775.gif" id="623fdcd6-e80b-4ba9-bf46-5d9b92b6612b" style="border: 0px;" title="Troubleshooting CPU Performance on Hyper-V" xmlns="" /></li>
<li class="unordered" style="list-style-image: none;"><strong>Measure overall processor utilization of the Hyper-V environment using Hyper-V performance monitor counters</strong> – For purposes of measuring processor utilization, the host operating system is logically viewed as just another guest operating system. Therefore, the “\Processor(*)\% Processor Time” monitor counter measures the processor utilization of the host operating system only. To measure total physical processor utilization of the host operating system and all guest operating systems, use the “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” performance monitor counter. This counter measures the total percentage of time spent by the processor running the both the host operating system and all guest operating systems. Use the following thresholds to evaluate overall processor utilization of the Hyper-V environment using the “\Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time” performance monitor counter:<br /><br /><ul>
<li class="unordered" style="list-style-image: none;">Less than 60% consumed = Healthy</li>
<li class="unordered" style="list-style-image: none;">60% - 89% consumed = Monitor or Caution</li>
<li class="unordered" style="list-style-image: none;">90% - 100% consumed = Critical, performance will be adversely affected</li>
</ul>
</li>
</ul>
<div style="line-height: 18px; padding-bottom: 15px;">
For more information about processor utilization review the following resources:</div>
<ul>
<li class="unordered" style="list-style-image: none;">“How To: Identify Functions causing a High User-mode CPU Bottleneck for Server Applications in a Production Environment” at <a href="http://go.microsoft.com/fwlink/?LinkID=107047" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkID=107047</a>.</li>
<li class="unordered" style="list-style-image: none;">“Chapter 15 - Measuring .NET Application Performance” at <a href="http://go.microsoft.com/fwlink/?LinkId=121073" style="color: #0066dd; text-decoration: none;" target="_blank">http://go.microsoft.com/fwlink/?LinkId=121073</a>.</li>
</ul>
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Anonymoushttp://www.blogger.com/profile/08796639780801719415noreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-68973348143345569692013-12-10T16:29:00.004+08:002014-03-13T16:03:12.729+08:00wmi initialization failureTo resolve this error and recreate any missing or corrupt registry entries, perform the following steps:<br />
<br />
<br />
<ol>
<li>Start a command-line session. </li>
<li>Unregister any WMI service (also known as WinMgmt) performance libraries by typing winmgmt /clearadap </li>
<li>Stop all running copies of the WMI service by typing winmgmt /kill </li>
<li>Unregister the WMI service by typing winmgmt /unregserver </li>
<li>Register the WMI service by typing winmgmt /regserver </li>
<li>Register any WMI service performance libraries by typing winmgmt /resyncperf</li>
</ol>
Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-88791590851663297502013-05-16T17:35:00.000+08:002013-05-16T17:36:44.521+08:00NTP Time Server Configuration in Windows Server 2008R2
Introduction
Time synchronization is one one of the most important aspect in a modern computer network. Network Time Protocol (UDP 123) is the protocol designed to synchronize the clocks of your computers over the network. This tutorial will guide you to configure an NTP Time server in your network. This server will act like an authoritative time server in your domain which will serve the client computers. The NTP Time server in your network will get time from an external time source like time.windows.com or time.nist.gov or from the system BIOS. In our scenario I am going to configure an NTP Server in a PDC Emulator that will obtain time from an external source.But Windows recommend us to configure an NTP server to obtain the time from a hardware source for improved security and accuracy. So optionally I will mention how to get the time from an internal source too.
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfekumePh9IpYMWR0mAccaywZtU9NTjq7jrKkUwJ1NYDWDsNz0AbaCTNsGvY9XW3pSXR4ulB0k2WhhLfZ1lmE74US4d3sKu1eQXRICK4q2RkG_XZglDCbLbbb2IyTbmNyggT4Z3_QyyZ8/s1600/Capture.JPG" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfekumePh9IpYMWR0mAccaywZtU9NTjq7jrKkUwJ1NYDWDsNz0AbaCTNsGvY9XW3pSXR4ulB0k2WhhLfZ1lmE74US4d3sKu1eQXRICK4q2RkG_XZglDCbLbbb2IyTbmNyggT4Z3_QyyZ8/s320/Capture.JPG" /></a>
Here I am listing out few importance of Time synchronization in a network:
1. Effective DC & DFS Replication.
2. Tracking security breaches, network usage, or problems affecting a large number of components can be nearly impossible if timestamps in logs are inaccurate. Time is often the critical factor that allows an event on one network node to be mapped to a corresponding event on another.
3. To reduce confusion in shared filesystems, it is important for the modification times to be consistent, regardless of what machine the filesystems are on.
This document will help you to configure a NTP Time server in Windows Server 2008.
Enabling & Configuring NTP Server
1. Change the server type to NTP.
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\Type
In the pane on the right, right-click Type, and then click Modify. In Edit Value, type NTP in the Value data box, and then click OK.
2. Set AnnounceFlags to 5.
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\AnnounceFlags
In the pane on the right, right-click AnnounceFlags, and then click Modify. In Edit DWORD Value, type 5 in the Value data box, and then click OK.
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqA5HMi2YDdBVQbS3kb-hKV3Ae9JAf6UFv-N5gNbemWSKZsQuwFfu0tElutXeI_-AmosVwC9qfHdXGdDDzuZ0y6tK3IVG0s8UQhwUNnqyfls7WWEQk9HbHfu6EoPBYRx6TuLF9Q6ySTlY/s1600/ntp1.JPG" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqA5HMi2YDdBVQbS3kb-hKV3Ae9JAf6UFv-N5gNbemWSKZsQuwFfu0tElutXeI_-AmosVwC9qfHdXGdDDzuZ0y6tK3IVG0s8UQhwUNnqyfls7WWEQk9HbHfu6EoPBYRx6TuLF9Q6ySTlY/s320/ntp1.JPG" /></a>
3. Enable NTPServer.
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer
In the pane on the right, right-click Enabled, and then click Modify .In Edit DWORD Value, type 1 in the Value data box, and then click OK.
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhO67v8UCpxxvncAbnR2QX0g7PEdmf1PWdGjtlUj-WdME22aXoFWtw-chc8lkNGWAjMGN6XF8lWGs8Ne1jDiiaxWtQUXE1Idn-qHHKK_0bBwtIT8QHquMsk8d8cd2h0fkZbYUXbWald6mE/s1600/ntp3.JPG" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhO67v8UCpxxvncAbnR2QX0g7PEdmf1PWdGjtlUj-WdME22aXoFWtw-chc8lkNGWAjMGN6XF8lWGs8Ne1jDiiaxWtQUXE1Idn-qHHKK_0bBwtIT8QHquMsk8d8cd2h0fkZbYUXbWald6mE/s320/ntp3.JPG" /></a>
4. Specify the time sources.
Open a command prompt and type the command as below: w32tm /config /manualpeerlist:peers /syncfromflags:manual /reliable:yes /update
peers: time.windows.com or time.nist.gov
5. At the command prompt, type the following command to restart the Windows Time service, and then press Enter:
net stop w32time & net start w32time
Some Useful commands
1. To resynchronize time : w32tm /resync
2. To verify the configuartion : w32tm /query /configuration and w32tm /query /status
3. Display the current time zone settings : w32tm /tz
4. To reset the registry settings of NTP server:
net stop w32time
w32tm /unregister
w32tm /register
net start w32time
5. To synchronize time with a linux client : ntpdate server_IP
For more information visit http://technet.microsoft.com/en-us/library/cc773263%28v=ws.10%29.aspx
Allow UPD Port 123 through Firewall
Make an exception in your firewall to allow UDP port number 123.
Apply the NTP client settings via Group Policy(Optional)
Now we have to tell the client computers to obtain the time from the NTP Server. The policy is applied via GPO. The procedure is as follows:
1. Locate the Group Policy Object : Computer configuration/ Policies/Administrative Templates/ System /Windows Time Services/ Time providers
2. Enable the below settings:
Configure Windows NTP Client (In our case, it is the IP of the PDC)
Enable Windows NTP Client
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibMDm_owG6QNcBVdl5RUecuEYW8CBKMM8AL8_yrplzsfRR7xHWeCNEKnldf8lx7U108V_5Ee2yt9SfN4sPaR7XaqEguJrV-5B8LyTEgISuBsFTgakwATebNWraRnUKCIzQYDhikkVVvBM/s1600/ntp4.JPG" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibMDm_owG6QNcBVdl5RUecuEYW8CBKMM8AL8_yrplzsfRR7xHWeCNEKnldf8lx7U108V_5Ee2yt9SfN4sPaR7XaqEguJrV-5B8LyTEgISuBsFTgakwATebNWraRnUKCIzQYDhikkVVvBM/s320/ntp4.JPG" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZ0da1Qss5Rx3VBnkye393h3MCc2WJSzRZxUkhalWtklTvKXI9ExmQS1-kZc5iRYJh2kMsWmZy_msxArmvRooqqzXFKxqrX6u7KZuEv1vKs4YUxgERM1CXzg0UTVRZodYs5UhNh2Y9RB8/s1600/ntp5.JPG" imageanchor="1" ><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZ0da1Qss5Rx3VBnkye393h3MCc2WJSzRZxUkhalWtklTvKXI9ExmQS1-kZc5iRYJh2kMsWmZy_msxArmvRooqqzXFKxqrX6u7KZuEv1vKs4YUxgERM1CXzg0UTVRZodYs5UhNh2Y9RB8/s320/ntp5.JPG" /></a>
Obtaining time from a Local Source (Optional)
This configuration forces the PDC master to announce itself as a reliable time source and uses the built-in complementary metal oxide semiconductor (CMOS) clock. To configure the PDC master by using an internal hardware clock, follow these steps:
1. Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\AnnounceFlags
In the right-pane, right-click AnnounceFlags, and then click Modify.
In Edit DWORD Value, type A in the Value data box, and then click OK.
Close Registry Editor.
At the command prompt, type the following command to restart the Windows Time service:
net stop w32time && net start w32time
By accomplishing the above tasks you can configure an NTP server in your domain.
For more information about NTP you can visit Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-78055917264199997502012-01-10T14:27:00.001+08:002012-01-10T14:31:14.796+08:00Hyper V Course (info Trek)- Map Tool<br />- WAIK<br />- Bit Locker<br />- Starwind<br />- Resource Monitor<br /><br /><br /><span style="font-weight:bold;">Power Shell</span><br />Get - Help<br />Get - ex command <br />Get - umm command<br /><br />Xen - free virtual <br />Sys internal<br />DPM<br />Ops manager<br /><span style="font-weight:bold;"><br />RDS - Replacement Terminal Services</span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-24332564352157216432012-01-03T09:32:00.001+08:002012-01-03T09:34:24.951+08:00How to sysprep win20031. Open <DVD>:\Support\Tools\Deploy.cab and extract setupcl.exe, setupmgr.exe, and sysprep.exe to C:\Sysprep. (N.B. C: is your system drive. If you installed Windows to another drive letter, use that drive letter rather than C:.)<br /><br />2. Run setupmgr.exe from C:\Sysprep.<br /><br />3. The Setup Manager wizard starts. Click Next…<br /><br />4. Create new… Next…<br /><br />5. Select “Sysprep setup”. Next…<br /><br />6. Select the correct OS version… Next…<br /><br />7. Select “No, do not fully automate the installation”… Next…<br /><br />8. Enter Name and Organization, Time Zone, Product Key, and Workgroup or Domain. The other settings can remain defaulted. Note that you don’t want to specify the computer name since you will be creating multiple computers from the base image and you don’t want to specify the admin password, even encrypted. If the sysprep program can extract the password from the answer file, so can any hacker worth their salt. Click Next… through to the end.<br /><br />9. Finish… Save to C:\Sysprep\sysprep.inf. OK…<br /><br />10. Wait while Setup Manager finishes. Cancel… (Yes, odd way to exit a program that has completed successfully.)<br /><br />11. Run sysprep.exe.<br /><br />12. Click OK.<br /><br />13. Ensure that “Don’t regenerate security identifiers” is UNCHECKED. You want to regenerate the SIDs when each new clone boots.<br /><br />14. Click Reseal, OK to confirm that you want to regenerate SIDs, and wait for the system to shut down.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-47548742559769135412011-03-23T17:36:00.001+08:002011-03-23T17:36:52.778+08:00virtuemart installation manualhttp://virtuemart.net/documentation/User_Manual/Automatic_Installation.htmlUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-59894034730222819482011-02-22T17:46:00.002+08:002011-02-22T17:48:31.250+08:00Unhide folders infected by virusesgo to command prompt and run following command <br />"attrib -h -s -a -r * /s /d"Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-77621327698551334012010-07-02T00:52:00.001+08:002010-07-02T00:53:24.019+08:00CAG Certs & installer<a href="http://www.mediafire.com/?gymmdazgqjz"> CAG? Click Here</a>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-81163756883185419482010-06-18T15:25:00.001+08:002010-06-18T15:30:20.270+08:00Menembak kat PGA 12/6/10<embed src="http://img204.imageshack.us/slideshow/smilplayer.swf" width="426" height="320" name="smilplayer" id="smilplayer" bgcolor="FFFFFF" menu="false" wmode="transparent" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="id=img204/4113/1276842578hyr.smil"/>
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<br />Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-25987550082933833902010-06-17T20:49:00.003+08:002010-06-17T22:28:37.433+08:00Mastering Joomla 1.5The professional Guide to Programming Joomla!<br /><br /><a href='http://www.mediafire.com/?gnnhjvukzzm'>Download Here</a><br /><br />This is a second edition of Mastering Joomla 1.5. For those who interested to this just click on above link.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-53294209680171147712010-05-18T10:37:00.002+08:002010-07-08T13:29:38.654+08:00ping is not recognized as an internal or external commandFollow below steps if you received this error when performing any commands in command prompt.<br /><br />Right click "My Computer" and click "Properties". Click the "Advanced" tab up top followed by the "Environment Variables" button at the bottom. In the 2nd list box, scroll down to the 5th or 6th entry "Path", select it and click "Edit". Add "%SystemRoot%\system32;%SystemRoot%;" (minus the quotes) to the beginning of the line. Okay the changes and try out your commands now.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-38221004415779934992010-04-29T11:16:00.002+08:002010-04-29T11:20:01.449+08:00Issueto enable and disable network using VLANUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-41107643026330646052010-04-06T15:32:00.001+08:002010-04-06T15:32:51.840+08:00Tutorial: Install Nagios in FedoraCheck out this SlideShare Presentation: <div style="width:425px" id="__ss_1996045"><strong style="display:block;margin:12px 0 4px"><a href="http://www.slideshare.net/filipebatista/tutorial-installing-nagios-in-fedora" title="Tutorial: Install Nagios in Fedora">Tutorial: Install Nagios in Fedora</a></strong><object width="425" height="355"><param name="movie" value="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=nagios-090914115217-phpapp01&stripped_title=tutorial-installing-nagios-in-fedora" /><param name="allowFullScreen" value="true"/><param name="allowScriptAccess" value="always"/><embed src="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=nagios-090914115217-phpapp01&stripped_title=tutorial-installing-nagios-in-fedora" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="355"></embed></object><div style="padding:5px 0 12px">View more <a href="http://www.slideshare.net/">presentations</a> from <a href="http://www.slideshare.net/filipebatista">home</a>.</div></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-35415714425396752432010-04-06T12:42:00.003+08:002010-04-07T15:11:47.562+08:00My Nagios Presentation Slides<iframe width="400" height="328" src="http://280slides.com/Viewer/?user=39400&name=Nagios%20Briefing%20ICTD" style="border: 1px solid black; margin: 0; padding: 0;"></iframe>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-23330801062394056322010-03-15T17:05:00.003+08:002010-04-06T12:45:21.216+08:00Sharepoint Back Up and Restore by Using StsadmWhen you back up by using the Stsadm command-line tool, you can back up individual aspects of your SharePoint Products and Technologies deployment. For example, you can back up an individual site collection or you can back up the entire farm.<br /><br />To export sites from your SharePoint Products and Technologies deployment, you use the following Stsadm command.<br /><br />Stsadm –o export –url <URL> -filename <FileName>.cmp<br /><br />To back up a site collection, you must use the following stsadm command.<br /><br />stsadm –o backup –url <URL of the site collection> -filename <Name of the backup file> <br /><br />To back up an individual database, Web application, or the entire farm, you can use the following Stsadm command.<br /><br />stsadm –o backup –directory <UNC path or local drive> -backupmethod <Full or Differential><br /><br /> <br /><br />Restore<br /><br />To import sites to your SharePoint Products and Technologies deployment, you use the following Stsadm command.<br /><br />Stsadm –o import –url <URL> -filename <FileName>.cmp<br /><br />To restore a site collection, you must use the following Stsadm command.<br /><br />stsadm –o restore –url <URL of the site collection> -filename <Name of the backup file> <br /><br />To restore an entire farm you can use the following Stsadm command.<br /><br />stsadm –o restore –directory <UNC path or local drive> -restoremethod <overwrite or new><br /><br />taken from <a href="http://blogs.msdn.com/gayanpeiris/archive/2008/03/16/back-up-and-restore-by-using-stsadm.aspx">here</a>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-50436454704211722072010-03-09T17:09:00.001+08:002010-03-09T17:10:05.976+08:00Create a batch file to do a sharepoint backupType the following to notpad<br /><br />@echo off<br />echo ===============================================================<br />echo Back up the farm to \\portal\backup<br />echo ===============================================================<br />cd "C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN"<br />@echo off<br />stsadm.exe -o backup -directory \\portal\backup -backupmethod full<br />echo completed<br />}Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-18329183170891581242010-03-09T16:16:00.003+08:002010-03-09T16:22:08.855+08:00How to restore Sharepoint Services 3.01. Go to command prompt and change the directory to the following directory<br />C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN><br /><br />2. Type the following command, and then press ENTER<br />stsadm -o restore -directory \\portal<server>\backup<shared folder> -restoremethod overwrite<br /><br />If the restore completes successfully, the command window displays the following text:<br /><br />Completed with 0 warnings.<br />Completed with 0 errors.<br />Restore completed successfully.<br />-------------------------------------------------<br />Operation completed successfully.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-3493548085765669642010-03-09T16:08:00.005+08:002010-03-09T16:22:59.664+08:00How to backup Sharepoint Services 3.0Back up a server farm by using the Stsadm command-line tool<br /><br />1. On the drive on which SharePoint Products and Technologies is installed, change to the following directory.<br />%COMMONPROGRAMFILES%\Microsoft shared\Web server extensions\12\Bin.<br /><br />example: <br />c:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN><br /><br /><br />2. Type the following command, and then press ENTER:<br />stsadm -o backup -directory <\\server name\folder name> -backupmethod full<br /><br />example: <br />stsadm -o backup -directory \\portal<servername>\backup<sharedfolder> -backupmethod full<br /><br />If the backup completes successfully, the command window displays the following text:<br /><br /><br />Completed with 0 warnings.<br />Completed with 0 errors.<br />Backup completed successfully.<br />-------------------------------------------------<br />Operation completed successfully.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-58483952632605914332010-03-09T12:55:00.003+08:002010-03-09T13:01:42.030+08:00how to install nrpe_nt1. copy nrpe folder to c: or d:<br />2. go to command prompt<br />3. type as following command<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG4HmPMUkmjzeh1EhEdLfEO0OFyULX5nrpNqKkDa4WOQKUcV5YZprhGj-Y3vetQagv3Eyb4N2K0fTUaCkUMGVIVGA7eLKOr0-filKSxlNvlk8FiRio1M2DTIPTWKX60_SGHf54c8oSJ9ZY/s1600-h/nrpe_nt.JPG"><img style="cursor:pointer; cursor:hand;width: 200px; height: 98px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG4HmPMUkmjzeh1EhEdLfEO0OFyULX5nrpNqKkDa4WOQKUcV5YZprhGj-Y3vetQagv3Eyb4N2K0fTUaCkUMGVIVGA7eLKOr0-filKSxlNvlk8FiRio1M2DTIPTWKX60_SGHf54c8oSJ9ZY/s200/nrpe_nt.JPG" border="0" alt=""id="BLOGGER_PHOTO_ID_5446494539746947730" /></a>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6184897157775729805.post-38447982348402362822010-01-22T20:35:00.006+08:002010-01-22T20:56:47.838+08:00Sound Recorder FreeWareI just found this software which is interesting tool to record any sound to your PC. Download Link as below. <br /><br /><a href=" http://www.easyfreeware.com/free_sound_recorder-3844-freeware.html"> Free Sound Recorder</a><br /><br />This is a Freeware.Unknownnoreply@blogger.com0