Ubuntu 的软件源配置文件是 /etc/apt/sources.list
。将系统自带的该文件做个备份,将该文件替换为下面内容,即可使用选择的软件源镜像。
Ubuntu 版本
启用 proposed
启用源码镜像
# 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 https://(Loading...)/ jammy main restricted universe multiverse
# deb-src https://(Loading...)/ jammy main restricted universe multiverse
deb https://(Loading...)/ jammy-updates main restricted universe multiverse
# deb-src https://(Loading...)/ jammy-updates main restricted universe multiverse
deb https://(Loading...)/ jammy-backports main restricted universe multiverse
# deb-src https://(Loading...)/ jammy-backports main restricted universe multiverse
deb https://(Loading...)/ jammy-security main restricted universe multiverse
# deb-src https://(Loading...)/ jammy-security main restricted universe multiverse
# 预发布软件源,不建议启用
# deb https://(Loading...)/ jammy-proposed main restricted universe multiverse
# # deb-src https://(Loading...)/ jammy-proposed main restricted universe multiverse