#yum remove mysql

把mysql换成你的软件包名字。

[root@bogon /]# rpm -qa |grep freeradius

freeradius-1.1.3-1.6.el5

[root@bogon /]# yum remove freeradius

Loaded plugins: fastestmirror

Setting up Remove Process

Resolving Dependencies

--> Running transaction check

---> Package freeradius.i386 0:1.1.3-1.6.el5 set to be erased

--> Finished Dependency Resolution

Dependencies Resolved

==================================================================================================

 Package                Arch             Version                      Repository             Size

==================================================================================================

Removing:

 freeradius             i386             1.1.3-1.6.el5                installed             3.8 M

Transaction Summary

==================================================================================================

Remove        1 Package(s)

Reinstall     0 Package(s)

Downgrade     0 Package(s)

Is this ok [y/N]: y

Downloading Packages:

Running rpm_check_debug

Running Transaction Test

Finished Transaction Test

Transaction Test Succeeded

Running Transaction

  Erasing        : freeradius                                                                 1/1

warning: /etc/raddb/users saved as /etc/raddb/users.rpmsave

Removed:

  freeradius.i386 0:1.1.3-1.6.el5

Complete!