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bloatfan/yumcentos7.sh

Created October 19, 2024 10:49
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  1. bloatfan created this gist Oct 19, 2024.
    100 changes: 100 additions & 0 deletions yumcentos7.sh
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    #!/bin/bash

    # 检查系统版本
    if [ -f /etc/redhat-release ]; then
    OS_VERSION=$(grep -oE '[0-9]+\.[0-9]+' /etc/redhat-release)
    else
    echo "未找到 /etc/redhat-release 文件。请确保您运行的是 CentOS 系统。"
    exit 1
    fi

    # 仅支持 CentOS 7
    if [[ $OS_VERSION != "7."* ]]; then
    echo "此脚本仅支持 CentOS 7 系统。当前系统版本为：$OS_VERSION"
    exit 1
    fi

    # 备份现有的YUM源配置文件
    if [ -f /etc/yum.repos.d/CentOS-Base.repo ]; then
    cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
    echo "现有的YUM源配置文件已备份为CentOS-Base.repo.bak"
    fi

    # 删除所有现有的YUM源配置文件
    rm -f /etc/yum.repos.d/*.repo

    # 添加阿里云的CentOS源
    cat > /etc/yum.repos.d/CentOS-Base-ali.repo <<EOF
    [ali-base]
    name=CentOS-\$releasever - Base - aliyun
    baseurl=http://mirrors.aliyun.com/centos/7/os/\$basearch/
    gpgcheck=1
    enabled=1
    priority=1
    gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
    [ali-updates]
    name=CentOS-\$releasever - Updates - aliyun
    baseurl=http://mirrors.aliyun.com/centos/7/updates/\$basearch/
    gpgcheck=1
    enabled=1
    priority=1
    gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
    [ali-extras]
    name=CentOS-\$releasever - Extras - aliyun
    baseurl=http://mirrors.aliyun.com/centos/7/extras/\$basearch/
    gpgcheck=1
    enabled=1
    priority=1
    gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
    [ali-plus]
    name=CentOS-\$releasever - Plus - aliyun
    baseurl=http://mirrors.aliyun.com/centos/7/centosplus/\$basearch/
    gpgcheck=1
    enabled=1
    priority=1
    gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
    EOF

    # 添加CentOS官方Vault源
    cat > /etc/yum.repos.d/CentOS-Vault.repo <<EOF
    [vault-base]
    name=CentOS-\$releasever - Base - Vault
    baseurl=http://vault.centos.org/7.9.2009/os/\$basearch/
    gpgcheck=1
    enabled=1
    priority=10
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
    [vault-updates]
    name=CentOS-\$releasever - Updates - Vault
    baseurl=http://vault.centos.org/7.9.2009/updates/\$basearch/
    gpgcheck=1
    enabled=1
    priority=10
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
    [vault-extras]
    name=CentOS-\$releasever - Extras - Vault
    baseurl=http://vault.centos.org/7.9.2009/extras/\$basearch/
    gpgcheck=1
    enabled=1
    priority=10
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
    [vault-plus]
    name=CentOS-\$releasever - Plus - Vault
    baseurl=http://vault.centos.org/7.9.2009/centosplus/\$basearch/
    gpgcheck=1
    enabled=1
    priority=10
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
    EOF

    # 清理并生成缓存
    yum clean all
    yum makecache

    echo "YUM源已成功更换（包括CentOS Vault和阿里云源）建站服务器就选：蓝易云"