由於rhel沒有注冊碼，之前一直用DVD做更新源，但是rhel又不能從官網上更新，怎麼辦呢，想想就使用CentOS的更新源吧：
首先把rhel自帶的文件備份：
[root@test yum.repos.d]# cp rhel-debuginfo.repo rhel-debuginfo.repo.bak
[root@test yum.repos.d]# mv rhel-debuginfo.repo CentOS-Base.repo
[root@test yum.repos.d]# vi CentOS-Base.repo
[base]
name=CentOS-5-Base
repo=os
baseurl=http://centos.ustc.edu.cn/centos/5/os/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[updates]
name=CentOS-5-Updates
baseurl=http://centos.ustc.edu.cn/centos/5/updates/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[addons]
name=CentOS-5-Addons
baseurl=http://centos.ustc.edu.cn/centos/5/addons/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[extras]
name=CentOS-5-Extras
baseurl=http://centos.ustc.edu.cn/centos/5/extras/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[centosplus]
name=CentOS-5-Plus
baseurl=http://centos.ustc.edu.cn/centos/5/centosplus/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[contrib]
name=CentOS-5-Contrib
baseurl=http://centos.ustc.edu.cn/centos/5/contrib/$basearch/
gpgcheck=0
gpgkey=http://centos.ustuc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
[root@test yum.repos.d]# rpm --import /etc/pki/rpm-gpg/RPM*
把虛擬機聯網然後測試一下
[root@test yum.repos.d]# yum list
[root@test yum.repos.d]# yum install mysql
Loaded plugins: aliases, changelog, downloadonly, fastestmirror, filter-data, keys, kmod, list-data, protect-packages, protectbase, rhnplugin, security, tmprepo,
: verify, versionlock
This system is not registered with RHN.
RHN support will be disabled.
Loading mirror speeds from cached hostfile
addons | 1.9 kB 00:00
base | 1.1 kB 00:00
centosplus | 1.9 kB 00:00
contrib | 1.9 kB 00:00
extras | 2.1 kB 00:00
updates | 1.9 kB 00:00
Skipping filters plugin, no data
0 packages excluded due to repository protections
Reading version lock configuration
Setting up Install Process
Resolving Dependencies
Skipping filters plugin, no data
--> Running transaction check
---> Package mysql.i386 0:5.0.95-1.el5_7.1 set to be updated
--> Processing Dependency: perl(DBI) for package: mysql
--> Running transaction check
---> Package perl-DBI.i386 0:1.52-2.el5 set to be updated
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================================================================================
Package Arch Version Repository Size
========================================================================================================================================================================
Installing:
mysql i386 5.0.95-1.el5_7.1 updates 4.9 M
Installing for dependencies:
perl-DBI i386 1.52-2.el5 base 600 k
Transaction Summary
========================================================================================================================================================================
Install 2 Package(s)
Upgrade 0 Package(s)
Total size: 5.5 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : perl-DBI 1/2
Installing : mysql 2/2
Installed:
mysql.i386 0:5.0.95- 1.el5_7.1
Dependency Installed:
perl-DBI.i386 0:1.52-2.el5
Complete!
OK，成功了～～～～
如果要使用其他的更新源可以把配置文件中的baseurl中的更新網址換成其他的,比如
mirrors.163.com但是要注意路徑和版本號～
國內比較好的CentOS更新源有163,sina，中科大等，如果有錯誤請自己看下錯誤日志，及把rhel自帶的yum卸載安裝CentOS的yum軟件試試。
