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Linux更新源

Linux更新源​

1.更新Debian12源​

# 备份sources.list文件
cp /etc/apt/sources.list /etc/apt/sources.list.bak

# 更新sources.list文件
echo "
deb http://mirrors.ustc.edu.cn/debian bookworm main contrib non-free non-free-firmware
deb http://mirrors.ustc.edu.cn/debian bookworm-updates main contrib non-free non-free-firmware

# backports 软件源，请按需启用
# deb http://mirrors.ustc.edu.cn/debian bookworm-backports main contrib non-free non-free-firmware
" > /etc/apt/sources.list

# 更新软件包列表
apt update

2.更新Centos7源​

#备份CentOS-Base.repo
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak

#更新CentOS-Base.repo文件
echo "
[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=https://mirrors.ustc.edu.cn/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
baseurl=https://mirrors.ustc.edu.cn/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
baseurl=https://mirrors.ustc.edu.cn/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
baseurl=https://mirrors.ustc.edu.cn/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
" >/etc/yum.repos.d/CentOS-Base.repo

#更新缓存
yum makecache

3.更新rocky9源​

#备份，换源
sed -e 's|^mirrorlist=|#mirrorlist=|g' \
    -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.ustc.edu.cn/rocky|g' \
    -i.bak \
    /etc/yum.repos.d/rocky-extras.repo \
    /etc/yum.repos.d/rocky.repo

#更新缓存
yum makecache