安裝好ubuntu後，將軟體源更換為國內：
cd /etc/apt/
然後會顯示下面的原始檔sources.list
輸入命令
sudo cp sources.list sources.list.back
備份原始檔
更換原始檔
將原始檔內容更換，阿里雲源如下：
deb bionic main restricted universe multiverse
deb bionic-security main restricted universe multiverse
deb bionic-updates main restricted universe multiverse
deb bionic-proposed main restricted universe multiverse
deb bionic-backports main restricted universe multiverse
deb-src bionic main restricted universe multiverse
deb-src bionic-security main restricted universe multiverse
deb-src bionic-updates main restricted universe multiverse
deb-src bionic-proposed main restricted universe multiverse
deb-src bionic-backports main restricted universe multiverse
deb bionic main restricted universe multiverse
deb-src bionic main restricted universe multiverse
deb bionic-updates main restricted universe multiverse
deb-src bionic-updates main restricted universe multiverse
deb bionic-backports main restricted universe multiverse
deb-src bionic-backports main restricted universe multiverse
deb bionic-security main restricted universe multiverse
deb-src bionic-security main restricted universe multiverse
deb bionic-proposed main restricted universe multiverse
deb-src bionic-proposed main restricted universe multiverse
deb bionic main restricted universe multiverse
deb-src bionic main restricted universe multiverse
deb bionic-updates main restricted universe multiverse
deb-src bionic-updates main restricted universe multiverse
deb bionic-backports main restricted universe multiverse
deb-src bionic-backports main restricted universe multiverse
deb bionic-security main restricted universe multiverse
deb-src bionic-security main restricted universe multiverse
deb bionic-proposed main restricted universe multiverse
deb-src bionic-proposed main restricted universe multiverse
ubuntu 12.04 (lts)代號為precise。
ubuntu 14.04 (lts)代號為trusty。
ubuntu 15.04 代號為vivid。
ubuntu 15.10 代號為wily。
ubuntu 16.04 (lts)代號為xenial。
更換後輸入
sudo apt-get update
sudo apt-get upgrade
更新
Ubuntu18 04更換國內源
sudo cp etc apt sources.list etc apt sourses.list.backup 163源 deb bionic main restricted universe multiverse deb bionic security main restricted unive...
Ubuntu18 04 更換 國內源
1.進入root模式sudo s 2.進入ubuntu源的目錄cd etc apt 3.備份sources.listcp sources.listsources.list.bak 4.修改sources.list 刪除sources.list中的內容，把阿里雲的源複製進source.list中 ge...
Ubuntu18 04更換國內源
mv etc apt sources.list etc apt sourses.list.backup 163源 deb bionic main restricted universe multiverse deb bionic security main restricted universe m...