Ubuntu 22.04 的版本代号为 jammy
vim /etc/apt/sources.list
deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy main restricted deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy main restricted deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates main restricted deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates main restricted deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy universe deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy universe deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates universe deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates universe deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy multiverse deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy multiverse deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates multiverse deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-updates multiverse deb http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-backports main restricted universe multiverse deb-src http://mirrors.cloud.aliyuncs.com/ubuntu/ jammy-backports main restricted universe multiverse deb http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security main restricted deb-src http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security main restricted deb http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security universe deb-src http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security universe deb http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security multiverse deb-src http://mirrors.cloud.aliyuncs.com/ubuntu jammy-security multiverse
附：Ubuntu 其它版本代号：
Ubuntu 22.04：jammy Ubuntu 20.04：focal Ubuntu 18.04：bionic Ubuntu 16.04：xenial
