Centos6换源 背景有些老系统还在使用Centos6 偶尔安装个包找不到源。经测清华的源仍可用。换源备份cd/etc/yum.repos.d/mvCentOS-Base.repo CentOS-Base.repo.bak更新文件vim/etc/yum.repos.d/CentOS-Base.repo[base]nameCentOS-6.10 - Basebaseurlhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/6.10/os/$basearch/gpgcheck1gpgkeyhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/RPM-GPG-KEY-CentOS-6[updates]nameCentOS-6.10 - Updatesbaseurlhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/6.10/updates/$basearch/gpgcheck1gpgkeyhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/RPM-GPG-KEY-CentOS-6[extras]nameCentOS-6.10 - Extrasbaseurlhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/6.10/extras/$basearch/gpgcheck1gpgkeyhttp://mirrors.tuna.tsinghua.edu.cn/centos-vault/RPM-GPG-KEY-CentOS-63.更新源yum clean all yum makecacheLoaded plugins: fastestmirror, product-id, subscription-manager Updating Red Hat repositories. Cleaning repos: base extras updates Cleaning up Everything Cleaning up list of fastest mirrors[rootredhat-201 yum.repos.d]# yum makecacheLoaded plugins: fastestmirror, product-id, subscription-manager Updating Red Hat repositories. Determining fastest mirrors base|3.7kB 00:00 base/group_gz|242kB 00:00 base/filelists_db|6.4MB 00:14 base/primary_db|4.7MB 00:13 base/other_db|2.8MB 00:10 extras|3.4kB 00:00 extras/filelists_db|24kB 00:00 extras/prestodelta|2.2kB 00:00 extras/primary_db|29kB 00:00 extras/other_db|14kB 00:00 updates|3.4kB 00:00 updates/filelists_db|8.4MB 00:08 updates/prestodelta|357kB 00:00 updates/primary_db|12MB 00:12 updates/other_db|479kB 00:01 Metadata Cache Created4.测试安装[rootredhat-201 yum.repos.d]# yum install glibc.i686Loaded plugins: fastestmirror, product-id, subscription-manager Updating Red Hat repositories. Setting up Install Process Loading mirror speeds from cached hostfile Resolving Dependencies --Running transaction check ---Package glibc.i6860:2.12-1.212.el6_10.3 will be installed --Processing Dependency: glibc-common2.12-1.212.el6_10.3forpackage: glibc-2.12-1.212.el6_10.3.i686 --Processing Dependency: libfreebl3.so(NSSRAWHASH_3.12.3)forpackage: glibc-2.12-1.212.el6_10.3.i686 --Processing Dependency: libfreebl3.soforpackage: glibc-2.12-1.212.el6_10.3.i686 --Running transaction check ---Package glibc-common.x86_640:2.12-1.25.el6 will be updated --Processing Dependency: glibc-common2.12-1.25.el6forpackage: glibc-2.12-1.25.el6.x86_64 ---Package glibc-common.x86_640:2.12-1.212.el6_10.3 will be an update --Processing Dependency: tzdata2015g-4forpackage: glibc-common-2.12-1.212.el6_10.3.x86_64 ---Package nss-softokn-freebl.x86_640:3.12.9-3.el6 will be updated ---Package nss-softokn-freebl.i6860:3.44.0-6.el6_10 will be installed --Processing Dependency: nss-util3.44.0forpackage: nss-softokn-freebl-3.44.0-6.el6_10.i686 --Processing Dependency: nspr4.21.0forpackage: nss-softokn-freebl-3.44.0-6.el6_10.i686 ---Package nss-softokn-freebl.x86_640:3.44.0-6.el6_10 will be an update --Running transaction check ---Package glibc.x86_640:2.12-1.25.el6 will be updated --Processing Dependency: glibc2.12-1.25.el6forpackage: glibc-headers-2.12-1.25.el6.x86_64 --Processing Dependency: glibc2.12-1.25.el6forpackage: glibc-devel-2.12-1.25.el6.x86_64 ---Package glibc.x86_640:2.12-1.212.el6_10.3 will be an update ---Package nspr.x86_640:4.8.7-1.el6 will be updated ---Package nspr.x86_640:4.21.0-1.el6_10 will be an update ---Package nss-util.x86_640:3.12.9-1.el6 will be updated ---Package nss-util.x86_640:3.44.0-1.el6_10 will be an update ---Package tzdata.noarch0:2011g-1.el6 will be updated ---Package tzdata.noarch0:2020d-1.el6 will be an update --Running transaction check ---Package glibc-devel.x86_640:2.12-1.25.el6 will be updated ---Package glibc-devel.x86_640:2.12-1.212.el6_10.3 will be an update ---Package glibc-headers.x86_640:2.12-1.25.el6 will be updated ---Package glibc-headers.x86_640:2.12-1.212.el6_10.3 will be an update --Finished Dependency Resolution阿里云源以下阿里云的源也可以使用# CentOS-Base.repo## The mirror system uses the connecting IP address of the client and the# update status of each mirror to pick mirrors that are updated to and# geographically close to the client. You should use this for CentOS updates# unless you are manually picking other mirrors.## If the mirrorlist does not work for you, as a fall back you can try the# remarked out baseurl line instead.##[base]nameCentOS-$releasever- Base - mirrors.aliyun.comfailovermethodprioritybaseurlhttp://mirrors.aliyun.com/centos-vault/6.10/os/$basearch/ http://mirrors.aliyuncs.com/centos-vault/6.10/os/$basearch/ http://mirrors.cloud.tencent.com/centos/$releasever/os/$basearch/ http://mirrors.tencentyun.com/centos/$releasever/os/$basearch/#mirrorlisthttp://mirrorlist.centos.org/?release$releaseverarch$basearchrepoosgpgcheck1gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6#released updates[updates]nameCentOS-$releasever- Updates - mirrors.aliyun.comfailovermethodprioritybaseurlhttp://mirrors.aliyun.com/centos-vault/6.10/updates/$basearch/ http://mirrors.aliyuncs.com/centos-vault/6.10/updates/$basearch/ http://mirrors.cloud.tencent.com/centos/$releasever/updates/$basearch/ http://mirrors.tencentyun.com/centos/$releasever/updates/$basearch/#mirrorlisthttp://mirrorlist.centos.org/?release$releaseverarch$basearchrepoupdatesgpgcheck1gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6#additional packages that may be useful[extras]nameCentOS-$releasever- Extras - mirrors.aliyun.comfailovermethodprioritybaseurlhttp://mirrors.aliyun.com/centos-vault/6.10/extras/$basearch/ http://mirrors.aliyuncs.com/centos-vault/6.10/extras/$basearch/ http://mirrors.cloud.tencent.com/centos/$releasever/extras/$basearch/ http://mirrors.tencentyun.com/centos/$releasever/extras/$basearch/#mirrorlisthttp://mirrorlist.centos.org/?release$releaseverarch$basearchrepoextrasgpgcheck1gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6#additional packages that extend functionality of existing packages[centosplus]nameCentOS-$releasever- Plus - mirrors.aliyun.comfailovermethodprioritybaseurlhttp://mirrors.aliyun.com/centos-vault/6.10/centosplus/$basearch/ http://mirrors.aliyuncs.com/centos-vault/6.10/centosplus/$basearch/ http://mirrors.cloud.tencent.com/centos/$releasever/centosplus/$basearch/ http://mirrors.tencentyun.com/centos/$releasever/centosplus/$basearch/#mirrorlisthttp://mirrorlist.centos.org/?release$releaseverarch$basearchrepocentosplusgpgcheck1enabled0gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6#contrib - packages by Centos Users[contrib]nameCentOS-$releasever- Contrib - mirrors.aliyun.comfailovermethodprioritybaseurlhttp://mirrors.aliyun.com/centos-vault/6.10/contrib/$basearch/ http://mirrors.aliyuncs.com/centos-vault/6.10/contrib/$basearch/ http://mirrors.cloud.tencent.com/centos/$releasever/contrib/$basearch/ http://mirrors.tencentyun.com/centos/$releasever/contrib/$basearch/#mirrorlisthttp://mirrorlist.centos.org/?release$releaseverarch$basearchrepocontribgpgcheck1enabled0gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6