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Ubuntu更換清華映象源——更快的下載速度

由於ubuntu自帶的軟體源下載速度很慢,尤其對於國外的網站進行訪問時,所以可以修改軟體源,更快更穩定的下載安裝各種包。

步驟如下:

1、先備份原始檔:

cd /etc/apt/
sudo cp sources.list sources.list.bak 

2、替換原始檔:

sudo gedit sources.list

修改為:

# 預設註釋了原始碼映象以提高 apt update 速度,如有需要可自行取消註釋
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
 
# 預釋出軟體源,不建議啟用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse

3、更新原始檔:

sudo apt-get update 更新源  
sudo apt-get upgrade 更新軟體