1. 下载RAR安装包： 
    http://www.rarsoft.com/download.htm　
  2. 我的是CentOS 64位： 
    wget http://www.rarsoft.com/rar/rarlinux-x64-5.1.1.tar.gz　
  3. 解压安装： 
    tar -zxvf rarlinux-x64-5.1.1.tar.gz

cd rar

make

#如果出现如下内容则说明安装成功
RAR 4.20   Copyright (c) 1993-2012 Alexander Roshal   9 Jun 2012
Trial version             Type RAR -? for help

Usage:     rar <command> -<switch 1> -<switch N> <archive> <files...>
               <@listfiles...> <path_to_extract\>

<Commands>
  a             Add files to archive
  c             Add archive comment
  cf            Add files comment
  ch            Change archive parameters
  cw            Write archive comment to file
  d             Delete files from archive
  e             Extract files to current directory
  f             Freshen files in archive
  i[par]=<str>  Find string in archives
  k             Lock archive
  l[t,b]        List archive [technical, bare]
  m[f]          Move to archive [files only]
  p             Print file to stdout
  r             Repair archive
  rc            Reconstruct missing volumes
  rn            Rename archived files
  rr[N]         Add data recovery record
  rv[N]         Create recovery volumes
  s[name|-]     Convert archive to or from SFX
  t             Test archive files
  u             Update files in archive
  v[t,b]        Verbosely list archive [technical,bare]
  x             Extract files with full path

<Switches>
  -             Stop switches scanning
  @[+]          Disable [enable] file lists
  ad            Append archive name to destination path
  ag[format]    Generate archive name using the current date
  ai            Ignore file attributes
...　　
  4. 解压命令： 
    rar x mysqldate.rar