CentOS 7 更新源 YUM存储库

[CentOS 系统版本](#CentOS 系统版本)
[1 备份现有的YUM存储库文件](#1 备份现有的YUM存储库文件)
[2 创建新的CentOS-Base.repo文件](#2 创建新的CentOS-Base.repo文件)
[3 清理YUM缓存并更新YUM数据库](#3 清理YUM缓存并更新YUM数据库)
[4 启用EPEL存储库](#4 启用EPEL存储库)
[5 更新YUM缓存](#5 更新YUM缓存)
[6 安装htop](#6 安装htop)

CentOS 系统版本

go 复制代码

# cat /etc/redhat-release 
CentOS Linux release 7.8.2003 (Core)

1 备份现有的YUM存储库文件

go 复制代码

mkdir -p /etc/yum.repos.d/backup
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup/

2 创建新的CentOS-Base.repo文件

go 复制代码

vim /etc/yum.repos.d/CentOS-Base.repo

go 复制代码

[base]
name=CentOS-$releasever - Base
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[updates]
name=CentOS-$releasever - Updates
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[extras]
name=CentOS-$releasever - Extras
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[centosplus]
name=CentOS-$releasever - Plus
baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

3 清理YUM缓存并更新YUM数据库

go 复制代码

yum clean all
yum makecache

4 启用EPEL存储库

go 复制代码

yum install epel-release -y

5 更新YUM缓存

go 复制代码

yum makecache

6 安装htop

go 复制代码

yum install htop -y