How to Duplicate Xen DomU Virtual Machines

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Assumption: There are VBD based Xen DomU virtual machines stored under /home/xen/vm-f11-sample/. There are two files under vm-f11-sample: vm0-f11.run (The configuration file) and vmdisk0 (The virtual disk). Now we want to duplicate the virtual machine vm0 stored under vm-f11-sample to vm-10.0.0.213 which is stored under vm-10.0.0.213. And vm-10.0.0.213’s ip will be 10.0.0.213. The steps to
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Vim Removing “^M” Returns from Files

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When editing some files fro Windows in vim, there are some ugly “^M” returns. Here is a method to remove and replace these “^M”s (please note that you should not copy/past to use the follows): :1,$s/{Ctrl+V}{Ctrl+M}//{Enter} {Ctrl+V} means keyboard operation that is push ‘ctrl’ and ‘v’ together. {Enter} is push ‘enter’. : means that it
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Howto: Git Server over SSH

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Git and SSH are both powerful tools, and git/ssh work well together. We introduce how to set up git server via ssh in this post. Git server through SSH is easy and fast to set up, although every user will have access to all repositories in the git server over SSH and every user is
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Several Vim Tips (in Chinese)

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窗口模式操作 CTRL-W CTRL-S 将当前窗口分割为两窗口 CTRL-W CTRL-W 切换窗口 CTRL-W j 切换到下一窗口 CTRL-W k 切换到上一窗口 CTRL-W CTRL-R 将窗口的位置轮换 CTRL-W CTRL-_ 将当前窗口最小化 CTRL-W CTRL-= 将所有窗口变为等大 搜索和替换 /word 搜索word 搜索之后按回车高亮显示,n 下一个 p 上一个 :%s/模式/替换成的内容/gc % 全局选项,如果没有开启则只在当前行进行替换 g 表示 全局替换,如果没有g选项则只替换每行出现的第一个单词 c 表示需要确认 Esc替换按键 ESC键在键盘的左上角,按起来很不方便,而在VIM中ESC经常用到,其实有一个同样作用的组合按键:CTRL-[,这两个按起来手基本不用做大的动作,方便多了。 块操作 使用visual可视模式 v 进入可视模式,移动光标可进行选择 CTRL-Q 或 CTRL-V 进入列式模式,可进行块操作,选定的是一个矩形块。如果使用behave mswin CTRL-V可能映射成为past