0.前言? ? 通過改動ubuntu軟件源可提高apt命令下載安裝軟件的速度。? ??參考資料? ? 【官方資料】——配置文件改動方法? ? 【Ubuntu如何改動軟件源地址】——使用ubuntu軟件中心改動（推薦）? ? 【at-get update錯誤處理】
1.使用ubuntu軟件中心更新? ? 請參考【Ubuntu如何改動軟件源地址】——來自百度經驗
圖1 打開軟件和更新

圖2 選擇國內軟件源
2.使用指令方法改動【1】首先備份源列表sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
【2】gedit打開 并替換全部內容sudo gedit /etc/apt/sources.list
【2.1】 若ubunt版本號為13.04【163源】deb http://mirrors.163.com/ubuntu/ raring main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ raring-security main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ raring-updates main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ raring-proposed main restricted universe multiversedeb http://mirrors.163.com/ubuntu/ raring-backports main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ raring main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ raring-security main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ raring-updates main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ raring-proposed main restricted universe multiversedeb-src http://mirrors.163.com/ubuntu/ raring-backports main restricted universe multiverse【阿里云源】deb http://mirrors.aliyun.com/ubuntu/ raring main restricted universe multiverse?deb http://mirrors.aliyun.com/ubuntu/ raring-security main restricted universe multiverse?deb http://mirrors.aliyun.com/ubuntu/ raring-updates main restricted universe multiverse?deb http://mirrors.aliyun.com/ubuntu/ raring-proposed main restricted universe multiverse?deb http://mirrors.aliyun.com/ubuntu/ raring-backports main restricted universe multiverse?deb-src http://mirrors.aliyun.com/ubuntu/ raring main restricted universe multiverse?deb-src http://mirrors.aliyun.com/ubuntu/ raring-security main restricted universe multiverse?deb-src http://mirrors.aliyun.com/ubuntu/ raring-updates main restricted universe multiverse?deb-src http://mirrors.aliyun.com/ubuntu/ raring-proposed main restricted universe multiverse?deb-src http://mirrors.aliyun.com/ubuntu/ raring-backports main restricted universe multiverse
【2.2】 若ubuntu版本號為12.04將上述列表地址中的?raring?替換為?precise?就可以?
【3】刷新列表sudo apt-get update
【3.1】若運行apt-get update產生錯誤? ? 【錯誤現象】? ? E: Could not get lock /var/lib/apt/lists/lock - open (11 Resource temporarily unavailable)? ? E: Unable to lock the list directory
? ? 【錯誤原因】可能為之前操作使用ctrl+c強制退出apt-get 指令。而實際apt-get進程依舊存在。? ? 【解決方法】? ? 【a】查看進程(使用grep指令過濾其它進程)? ? ps -e | grep apt? ? 【b】apt-get進程依舊存在? ? 6362 ? 00:00:00 apt? ? 6934 ? 00:00:00 apt-get? ? 【c】銷毀進程? ? sudo killall apt? ? sudo killall apt-get? ? 【d】又一次運行? ? sudo apt-get update

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