网络镜像的安装与排错
【网络镜像的安装与排错】1.安装阿里镜像源
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
如果wget不能下载看一你是否有网,连网了还用不了,检查DNS服务器ip是否配置,cat /etc/resolv.conf 配置方法 nameserver 8.8.8.8
2.清理缓存
yum clean all
3.下载缓存
yum makecache
4.更新
yum update
5.查看yum仓库
yum repolist
6.使用yum
yum insatll -y 包名(可 yum remove vi ;
yum install vi 测试 )
如果出现yum 报错
The GPG keys listed for the “CentOS-7 - Base - 163.com” repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.
Failing package is: wget-1.14-13.el7.x86_64
GPG Keys are configured as: http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
解决方法:rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
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