Ubuntu 修改apt源
查看Linux系统发行版本信息
部分Ubuntu系统LTS版本代号
- Ubuntu 16.04代号为：xenial
- Ubuntu 17.04代号为：zesty
- Ubuntu 18.04代号为：bionic
- Ubuntu 19.04代号为：disco
- Ubuntu 20.04代号为：focal
修改sources.list文件
Ubuntu 20.04
#阿里源
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
更新
apt-get update
apt-get upgrade