# 22.04 LTS
mv /etc/apt/sources.list /etc/apt/sources.list.origin # 22.04 LTS cat >> /etc/apt/sources.list << EOF # 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse # deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse # # deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse EOF apt update
# 20.04 LTS
mv /etc/apt/sources.list /etc/apt/sources.list.origin # 20.04 LTS cat >> /etc/apt/sources.list << EOF # 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse # deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse # # deb-src http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse EOF apt update
# 18.04 LTS
mv /etc/apt/sources.list /etc/apt/sources.list.origin # 18.04 LTS cat >> /etc/apt/sources.list << EOF # 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse # deb http://security.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse # # deb-src http://security.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse # 预发布软件源，不建议启用 # deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse # # deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse EOF apt update
静默安装案例：
DEBIAN_FRONTEND=noninteractive apt -y install wget
。