最新修改CentOS源代码更新

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-5-Addons  




#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