親愛的 Linux 愛好者們,是否在 Ubuntu 系統(tǒng)更新時(shí)體驗(yàn)過龜速下載?這通常是因?yàn)槟J(rèn)的源在國(guó)外,網(wǎng)絡(luò)延遲和帶寬限制讓我們苦不堪言。別擔(dān)心,今天我就帶你手把手教你如何將 Ubuntu 系統(tǒng)源更換為國(guó)內(nèi)鏡像,系統(tǒng)更新速度飛起來(lái)!
步驟一:備份原始源
更換源前,備份原始的源列表文件非常重要。這樣萬(wàn)一有問題,可以隨時(shí)恢復(fù)。
打開終端,輸入以下命令,進(jìn)入 apt 配置目錄:
cd /etc/apt/
sudo cp sources.list sources.list_bak
這一步確保你的源文件安全,隨時(shí)可以恢復(fù)。
步驟二:編輯源列表文件
接下來(lái),我們要編輯 /etc/apt/sources.list 文件,將默認(rèn)的源替換為國(guó)內(nèi)的鏡像源。
可以使用 gedit(也可以用你喜歡的編輯器,如 nano)打開源文件:
sudo gedit /etc/apt/sources.list
然后,把文件內(nèi)容替換為以下清華大學(xué)鏡像源的配置(確保版本與你的 Ubuntu 版本一致,例如 focal 是 Ubuntu 20.04 的代號(hào)):
# 默認(rèn)注釋了源碼鏡像,提升 apt update 速度,如需啟用可以取消注釋
deb https://www.8a.hk/ubuntu/ focal main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
# 不推薦啟用預(yù)發(fā)布軟件源# deb https://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse
保存并退出編輯器。
步驟三:更新系統(tǒng)源
更換源后,我們的下載速度將大大提高!現(xiàn)在,輸入以下命令來(lái)更新軟件包索引:
sudo apt-get update
接著,輸入以下命令來(lái)升級(jí)所有可以升級(jí)的軟件包:
sudo apt-get upgrade
此時(shí),系統(tǒng)將開始使用新的國(guó)內(nèi)源進(jìn)行更新,下載速度飛起來(lái)!
國(guó)內(nèi)其他優(yōu)質(zhì)源推薦
除了清華大學(xué)鏡像源,國(guó)內(nèi)還有多個(gè)優(yōu)秀的 Ubuntu 鏡像源可供選擇。你可以根據(jù)自己的需求選擇其他鏡像源,下面是一些常用的源配置示例:
阿里云源:
deb http://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse
中科大源:
deb https://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb-src https://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb-src https://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse
deb-src https://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse
deb https://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
deb-src https://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
# deb https://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse# deb-src https://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse
網(wǎng)易163源:
deb http://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-security main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://www.8a.hk/ubuntu/ focal-updates main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-proposed main restricted universe multiverse
deb http://www.8a.hk/ubuntu/ focal-backports main restricted universe multiverse