最新修改CentOS源代码更新-centos 修改

针对CentOS源代码更新的问题，有很多版本的修改方法，根据最近的CentOS源代码更新，我们以CentOS5.3的上海交大更新源为例来进行讲解。

1．CentOS源代码修改/etc/yum.repos.d/CentOS-Base.repo为:

base]  
name=CentOS-5-Base  
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever5&arch=$basearch&  
repo=os 
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/  
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/os/$basearch/  
gpgcheck=1 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5  
 
#releasedupdates  
[update]  
name=CentOS-5-Updates  
#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=updates 
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/updates/$basearch/  
gpgcheck=1 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5  
 
#packagesused/producedinthebuildbutnotreleased  
[addons]  
name=CentOS-***ddons  
#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=addons 
 
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/addons/$basearch/  
gpgcheck=1 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5  
 
#additionalpackagesthatmaybeuseful  
[extras]  
name=CentOS-5-Extras  
#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=extras 
 
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/extras/$basearch/  
gpgcheck=1 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5  
 
#additionalpackagesthatextendfunctionalityofexistingpackages  
[centosplus]  
name=CentOS-5-Plus  
#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=centosplus 
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/centosplus/$basearch/  
gpgcheck=1 
enabled=0 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5  
 
#contrib-packagesbyCentosUsers  
[contrib]  
name=CentOS-5-Contrib  
#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=contrib 
baseurl=http://ftp.sjtu.edu.cn/centos/5.3/contrib/$basearch/  
gpgcheck=1 
enabled=0 
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5

2．CentOS源代码校验Key导入：执行rpm --import http://ftp.sjtu.edu.cn/centos/5.3/os/i386/RPM-GPG-KEY-CentOS-5

3．CentOS源代码进行升级：执行yum update

好了，这样我们就完成了修改CentOS源代码更新。

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