= 2009-01-20 =

 * 14:00 [驗收] 田間伺服器 @ 中群

== Shell 快速鍵 ==

 * [參考] [http://www.linuxplanet.com/linuxplanet/tutorials/6639/1/ Linux Shell Editing Shortcuts]
{{{
CTRL + A = 把游標移到行首
CTRL + E = 把游標移到行尾
CTRL + K = 從游標位置往後刪除到行尾
CTRL + U = 把指令全部清掉
CTRL + W = 往前刪除一個參數(到空白處)
}}}
 * [http://www.ibm.com/developerworks/linux/library/l-10sysadtips/ Lazy Linux: 10 essential tricks for admins] (很多小技巧，不過大部分都已經會了，補紀錄還不會的四個指令)
{{{
$ seq -w 20            ### 會列出 01~20 的數列 (哇!!會補零耶!!)
$ fuser /home/jazz     ### 會列出目前正在使用這個目錄的 process
$ reset                ### 把畫面清空(Ex. 不小心 cat 到二進位檔而佈滿亂碼的時候)
$ sudo ethtool -i eth0 ### 會列出網路卡的韌體資訊(cool!)
driver: tg3
version: 3.65
firmware-version: 5705-v3.18
bus-info: 0000:01:0d.0

==================================
另外，還蠻常用，卻老會忘記的 shell script 技巧: expr
P = 1
P = $(expr $P + 1)   ### 如果用 P=$P+1 是不行的啦~沒用空白也不行~Ex. P=$(expr $P+1)
==================================
~$ P = 1
~$ echo $P
1
~$ P = $(expr $P + 1)
~$ echo $P
2
~$ P=$P+1
~$ echo $P
2+1
==================================
}}}

== Virtualization : Trend ==

 * 神奇...M$ 的 Hyper-V 居然部署得比 VMWare 的 ESX 還多，比例上 Xen 居然差那麼懸殊，真是出乎我意料之外。[[BR]][[Image(http://www.virtualization.info/images/vir.infosVirtualizationIndustrySurvey200_14D51/Q6.png)]]

== Network Virtualization ==

 * 多台 Xen Dorm0 組成的 Virtual Cluster，第一個面臨的問題將是到底要怎麼處理網路拓墣。Xen 所提供的網路橋接機制，是否能否實現 Layer 2 Virtual Network Topology 呢??
   * [http://www.novell.com/communities/print/node/4094 Xen Network Bridges Explained with Troubleshooting Notes]
   * [https://lists.linux-foundation.org/pipermail/containers/2006-November/002756.html Network virtualization/isolation] (Xen mail list 上的討論, 還蠻仔細的)
   * [http://www.ciscopress.com/articles/printerfriendly.asp?p=603918 Network Virtualization: A Basic Virtualized Enterprise] (Cisco 的文章)
 * [http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4534214&isnumber=4534182 Xen-Based HPC: A Parallel I/O Perspective]

== Cloud Computing ==

 * [http://www.linux-mag.com/id/7227/ Massive Clouds]
 * [http://news.cnet.com/8301-19413_3-10122295-240.html A maturity model for cloud computing]
 * [http://www.cloudbreakers.net/killer-apps Killer Apps for Cloud Computing??]
 * [http://www.cw.com.tw/article/print.jsp?id=36647 IT產業大裁員，卻不衰退的真相？]

== Hadoop ==

 * [http://symbian.sys-con.com/node/768830/print Four Paths to Java Parallelism]

== Webservice: JavaScript ==

 * [http://www.c3dl.org/ C3DL] - Canvas 3D JS Library
 * [http://elementiks.com/web_resources.php Web Resource] of Javascript, jQuery Essential Widgets, etc

== Programming : Performance Inspection ==

 * [http://ldn.linuxfoundation.org/article/finding-cpu-and-ram-performance-bottlenecks-linux Finding Performance Bottlenecks in Linux]
 * [http://daydreamer.idv.tw/rewrite.php/read-43.html pidstat] - 全域型 memory leak 偵測工具

== Programming : VIM Indent, Less Hightlight, diff viewer ==

 * [http://plog.longwin.com.tw/my_note-app-setting/2009/01/10/vim-indent-for-php-html-2009 給 PHP 和 HTML 專用的 VIM 縮排(Indent)]
 * [http://linuxtoy.org/archives/less-highlight.html 借我一雙寫輪眼 ─ Less 語法高亮]
 * [http://fourdollars.blogspot.com/2009/01/meld-git-diff.html 以 meld 當外部程式來使用 git diff]