Linux换源-Centos,Ubuntu,Rocky 最后执行 - 换源完成后执行更新Centossudo yum clean all sudo yum makecacheUbuntusudo apt-get update sudo apt-get dist-upgrade sudo apt-get upgradeRocky# 清理旧缓存 sudo dnf clean all # 生成新缓存 sudo dnf makecache # 验证配置是否生效（检查仓库地址） sudo dnf repolist换源Centos7目录：/etc/yum.repos.d/CentOS-Base.repo#备份yum原文件 sudo cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak #阿里云源 sudo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo #清华大学源 sudo wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.tuna.tsinghua.edu.cn/repo/Centos-7.repo Centos8 #阿里云源 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-8.repo #清华大学源 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.tuna.tsinghua.edu.cn/repo/centos8/CentOS-Base.repo Ubuntu22源目录：/etc/apt/sources.list注意：此为Ubuntu22源#腾讯源 deb http://mirrors.cloud.tencent.com/ubuntu jammy main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy universe deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates universe deb http://mirrors.cloud.tencent.com/ubuntu jammy multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-updates multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-backports main restricted universe multiverse deb http://mirrors.cloud.tencent.com/ubuntu jammy-security main restricted deb http://mirrors.cloud.tencent.com/ubuntu jammy-security universe deb http://mirrors.cloud.tencent.com/ubuntu jammy-security multiverse #阿里源 deb https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse Ubuntu24源#清华源 deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-updates main restricted universe multiverse deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-backports main restricted universe multiverse deb http://ports.ubuntu.com/ubuntu-ports/ noble-security main restricted universe multiverse #阿里开源站 deb https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse deb-src https://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse Rocky换源sudo sed -e 's|^mirrorlist=|#mirrorlist=|g' \ -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.tuna.tsinghua.edu.cn/rocky|g' \ -i.bak \ /etc/yum.repos.d/rocky*.repo