软件库管理

1sudo apt install -y netselect-apt \
2    && sudo netselect-apt \
3    && sudo apt autoremove -y netselect-apt \
4    && rm -f sources.list

 1The fastest 10 servers seem to be:
 2
 3        http://mirrors.bfsu.edu.cn/debian/
 4        http://mirrors.tuna.tsinghua.edu.cn/debian/
 5        http://mirrors.neusoft.edu.cn/debian/
 6        http://mirrors.jlu.edu.cn/debian/
 7        http://ftp.cn.debian.org/debian/
 8        http://debian.cs.nycu.edu.tw/debian/
 9        http://mirror.i3d.net/debian/
10        http://mirrors.163.com/debian/
11        http://mirror.bizflycloud.vn/debian/
12        http://ftp.kaist.ac.kr/debian/
13
14Of the hosts tested we choose the fastest valid for http:
15        http://mirrors.bfsu.edu.cn/debian/
16
17Writing sources.list.
18Done.

 1# PVE QEMU debian-12-generic-amd64.qcow2
 2# echo 'http://mirrors.bfsu.edu.cn/debian/' | sudo tee /etc/apt/mirrors/debian.list
 3# echo 'http://mirrors.bfsu.edu.cn/debian-security/' | sudo tee -a /etc/apt/mirrors/debian-security.list
 4sed -i -e "s/deb.debian.org/mirrors.bfsu.edu.cn/" /etc/apt/mirrors/debian.list
 5sed -i -e "s/deb.debian.org/mirrors.bfsu.edu.cn/" /etc/apt/mirrors/debian-security.list
 6
 7# PVE LXC debian-12-standard_12.7-1_amd64.tar.zst
 8sed -i -e "s/deb.debian.org/mirrors.bfsu.edu.cn/" /etc/apt/sources.list
 9sed -i -e "s/security.debian.org/mirrors.bfsu.edu.cn\/debian-serurity/" /etc/apt/sources.list
10
11# Docker imaage debian:12
12sed -i -e "s/deb.debian.org/mirrors.bfsu.edu.cn/" /etc/apt/sources.list.d/debian.sources
13
14# update    
15apt update

1yum repolist
2# 显示所有仓库
3yum repolist all
4# 显示所有启动的仓库
5yum repolist enabled
6# 显示所有禁用的仓库
7yum repolist disabled

1yum-config-manager --enable repository…
2yum-config-manager --disable repository…

 1# 备份原镜像文件，以免出错后可以恢复。
 2mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup \
 3&& mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup \
 4&& mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup
 5
 6# 下载新的CentOS-Base.repo 到/etc/yum.repos.d/
 7curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo \
 8&& curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo \
 9&& curl -o /etc/yum.repos.d/epel-testing.repo http://mirrors.aliyun.com/repo/epel-testing.repo
10
11# 运行yum makecache生成缓存
12yum clean all && yum makecache

1yum list installed

1# 升级所有包同时也升级软件和系统内核
2yum -y update
3
4# 只升级所有包，不升级软件和系统内核
5yum -y upgrade