linux程序的安装以及rpm、yum的使用(3)

baseurl=ftp://instructor.example.com/pub/Server

gpgcheck=0

yum的常用功能：

软件包安装     yum install PROGRAMNAME1 PROGRAMNAME2 PROGRAMNAME3…

软件包升级     yum update PROGRAMNAME

软件包安装情况查询

              yum list {installed|available|PROGRAMNAME|all}

                  installed     查询已经安装过的软件包

                  available     查询在软件库中可安装尚未安装的的软件包

                  PROGRAM       按具体名称查询安装过的软件包

                  all           显示有所有安装过的、未安装过的软件包

软件包卸载     yum remove PROGRAMNAME

清除软件列表缓存

              yum clean all

                  #查询信息从软件库同步到本地缓存，此命令用于清除

查看文件关联的软件包

              yum provides FILENAME

                  #FILENAME需要提供文件的绝对路径

eg：

[root@server28 myscript]# yum provides /boot/grub

Loaded plugins: rhnplugin

This system is not registered with RHN.

RHN support will be disabled.

Importing additional filelist information

grub-0.97-13.5.i386 : GRUB - the Grand Unified Boot Loader.

Repo        : base

Matched from:

Filename    : /boot/grub

grub-0.97-13.5.i386 : GRUB - the Grand Unified Boot Loader.

Repo        : installed

Matched from:

Other       : Provides-match: /boot/grub                  

查看软件包信息：

              yum info PROGRAMNAME

eg：

[root@server28 myscript]# yum info grub

Loaded plugins: rhnplugin

This system is not registered with RHN.

RHN support will be disabled.