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根据下面的网页#xff0c;选择对应Ubuntu操作系统的源#xff0c;一定要对应#xff01;#xff01;#xff01;
https://mirror.tuna.tsinghua.edu.cn/help/ubuntu/上图的系统是16.04 xenial#xff0c;这时就一定要使用16.04 xenial的源 …百度搜索 ubuntu清华镜像源
根据下面的网页选择对应Ubuntu操作系统的源一定要对应
https://mirror.tuna.tsinghua.edu.cn/help/ubuntu/上图的系统是16.04 xenial这时就一定要使用16.04 xenial的源
Last login: Thu Sep 14 22:31:30 2023 from 192.168.42.1
lonnubuntu:~$ cat /etc/apt/sources.list
deb https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiversedeb https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiversedeb https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiversedeb https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiversedeb http://ftp.de.debian.org/debian squeeze main
deb http://www.emdebian.org/debian/ squeeze main
## Not recommended
# deb https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu xenial-security main
# deb-src http://security.ubuntu.com/ubuntu xenial-security main
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universe
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-security main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main multiverse restricted universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-security main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-updates main multiverse restricted universe
deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ xenial-backports main multiverse restricted universe