通常在国内使用 Linux 都需要修改镜像地址 ,因为默认的 http://mirrorlist.centos.org 被禁了,根本访问不了,也就无法下载各种包了,所以需要修改。
1. 国内常用的 CentOS 镜像站点地址
阿里云:centos安装包下载_开源镜像站-阿里云 http://mirrors.aliyun.com/centos/
网易:Index of /centos/ http://mirrors.163.com/centos/
清华大学:Index of /centos/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror https://mirrors.tuna.tsinghua.edu.cn/centos/
2. 修改 Centos 镜像地址
文件位于 /etc/yum.repos.d/CentOS-Base.repo
修改前:里面的 http://mirrorlist.centos.org 域名国内完全不能访问,所以需要修改。
# 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] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$releasever - Updates mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
你帮我修改成阿里云的吧
修改后:原来URL注释,改成阿里云的。
注意:原本URL里面是有 $releasever、$basearch 两个变量的,我这里改成 7.9.2009 和 x86_64 了,因为通过这两个变量拼接出来的URL是错误的,阿里云上面根本就找不到,我们可以通过下面地址 http://mirrors.aliyun.com/centos/ 来确认URL。
[base] name=CentOS - $releasever - Base # mirrorlist=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/ baseurl=https://mirrors.aliyun.com/centos/7.9.2009/os/x86_64/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 # released updates [updates] name=CentOS - $releasever - Updates # mirrorlist=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/ baseurl=https://mirrors.aliyun.com/centos/7.9.2009/updates/x86_64/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 # additional packages that may be useful [extras] name=CentOS - $releasever - Extras # mirrorlist=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/ baseurl=https://mirrors.aliyun.com/centos/7.9.2009/extras/x86_64/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 # additional packages that extend functionality of existing packages [centosplus] name=CentOS - $releasever - Plus # mirrorlist=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/ baseurl=https://mirrors.aliyun.com/centos/7.9.2009/centosplus/x86_64/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
验证:输入下面命令来验证。
yum repolist
如果能正常更新代表正常。
执行 yum repolist 命令报错,提示无法通过https 访问,则是错误。
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