Ubuntu系统配置;换源;

打开终端(Open Terminal) 
1 将系统自带的该文件做个备份: sudo cp /etc/apt/sources.list  /etc/apt/sources.list.backup 
2 修改配置:

打开文件:

sudo gedit /etc/apt/sources.list

将下面的内容粘贴到打开文件的最前面,全部粘贴过去,保存,并关闭。

# 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://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
 
# 预发布软件源,不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

如果你对上面的地址有疑惑,或者你的Ubuntu系统不是18.04,可以打开下面的地址,选择你的Ubuntu版本,复制里面的链接到文本中。

https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/ 

3.更新

更新源: sudo apt-get update 
更新软件: sudo apt-get upgrade

你可能感兴趣的:(Linux123,ubuntu,linux,运维)