Ubuntu 24.04或以上

備份源文件

sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.backup

    
  

更換鏡像 以TWDS為例

sudo nano /etc/apt/sources.list.d/ubuntu.sources

    
  

Types: deb
URIs: https://mirror.twds.com.tw/ubuntu/
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: https://mirror.twds.com.tw/ubuntu/
Suites: noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

    
  

sudo apt update

    
  

sudo apt upgrade

    
  

Ubuntu 22.04或以下

備份原始的 sources.list 檔案

sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

    
  

使用 sed 命令將現有的鏡像站 URL 替換為 TWDS 鏡像站

sudo sed -i 's|http://[a-z0-9.]*archive.ubuntu.com/ubuntu/|https://mirror.twds.com.tw/ubuntu/|g' /etc/apt/sources.list
sudo sed -i 's|http://security.ubuntu.com/ubuntu/|https://mirror.twds.com.tw/ubuntu/|g' /etc/apt/sources.list

    
  

sudo apt update

    
  

sudo apt upgrade