centos7使用记录
centos7 yum 配置
重置yum
# 备份
sudo cp /etc/yum.repos.d/* /etc/yum.repos.d.bak/
# 删除
rm -rf /etc/yum.repos.d/*
# 查看版本
lsb_release -d
cat /etc/redhat-release
根据版本寻找 http://mirror.centos.org/centos-7/7/os/x86_64/Packages/
rpm -Uvh --force http://mirror.centos.org/centos-7/7/os/x86_64/Packages/centos-release-7-4.1708.el7.centos.x86_64.rpm
更新 centos 镜像源
# 备份
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
yum clean all
yum makecache
yum -y update