安装 Debian 6.0 Squeeze

 0. Install sudo (open users and groups form System-Administrations, check your username under relevant groups)
1. Install  virtualbox:
   -- add the following line to /etc/apt/sources.list
   $ deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free
    --nd then add the public key:
   $wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
   -- and install
   $ sudo apt-get update
   $sudo apt-get install virtualbox-4.1
   --finally, install extension pack

Install VirtualBox on Fedora

To solve DKMS failure:

yum install gcc kernel-devel kernel-headers
 
## PAE kernel users install ##
yum install gcc kernel-PAE-devel kernel-headers

Add VirtualBox User to vboxusers Group

usermod -a -G vboxusers user_name

Modified gnome-shell theme

Gnome-shell theme looks simple and beautiful. It works so far so good.

Canon D420 Printer Issue on Ubuntu 11.04

After  installing Ubuntu 11.04Beta, the  Canon D420 printer driver can't be installed because it depends on gs-esp which is not supported in the new environment. So here is an alternative way to install the driver.
Download the driver from here.
Extract it and go to its RPM foder.
Install alien which allows you to install rpm file on Debian/Ubuntu:

sudo apt-get install alien dpkg-dev debhelper build-essential 

Restore Grub Menu

Reinstalling from LiveCD

https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindowsIf you cannot boot from GRUB 2 review the section Boot Problems and Rescue Mode. If a reinstall becomes necessary follow these instructions. Two methods are presented; both require booting from a LiveCD (Ubuntu 9.10, Karmic Koala or later version). If the first method does not work, follow the second method, which is more complex and contains more options and instructions.

SIMPLEST - Copy GRUB 2 Files from the LiveCD

Install office 2007 in ubuntu

http://samanathon.com/how-to-install-microsoft-office-2007-in-ubuntu-9-04/

Uninstall Previous Versions Of Wine

For some odd reason, Office 2007 will not run on a version of Wine above 1.1.14. For that reason, if you currently have Wine installed, uninstall it by follow these steps:

How to find IP address under linux

Type the following command at a shell prompt:

ifconfig -a | perl -ne 'if ( m/^\s*inet (?:addr:)?([\d.]+).*?cast/ ) { print qq($1\n); exit 0; }'

vi命令

（转载）
进入vi的命令

Vi   filename    打开或新建文件，并将光标置于第一行首

Vi   +n   filename 打开文件，并将光标置于第n行首

Vi   +    filename  打开文件并将光标置于最后一行首

Vi   +/pattern filename 打开文件，并将光标置于一个与pattern匹配的串处

Vi   filename .. Filename  打开多个文件，依次进行编辑

Linux目录解释（转载）

/bin:bin是binary(二进制)的缩写。这个目录是对UNIX系统习惯的沿袭，存放着使用者最经常使用的命令。例如：cp,ls,cat。
/boot:这里存放的是启动LINUX时使用的一些核心文件。
/dev:dev是device(设备)的缩写。这个目录下是所有LINUX的外部设备，其功能类似DOS下的.sys和Win下的.vxd。在LINUX中设备和文件是用同种方法访问的。例如:/dev/hda代表第一个物理IDE硬盘。