ubuntu20.04更換清華源(轉)
原文章:https://blog.csdn.net/qq_23835707/article/details/111629344
1.備份原來的源,將以前的源備份一下,以防以後可以用的。
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.開啟/etc/apt/sources.list檔案,在前面新增如下條目,並儲存。
sudo vim /etc/apt/sources.list
3.摁 i 進入插入模式
4.然後摁 鍵盤的 delete 刪除原有的源
5.把下面的清華源複製,然後右鍵貼上
#新增清華源
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse multiverse
6.先摁 Esc 退出插入模式,再按住shift鍵,並連按兩次z字元,即可儲存剛才的編輯並退出vim編輯狀態!!!
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原文連結:https://blog.csdn.net/qq_23835707/article/details/111629344