163源：
deb trusty main restricted universe multiverse
deb trusty-security main restricted universe multiverse
deb trusty-updates main restricted universe multiverse
deb trusty-proposed main restricted universe multiverse
deb trusty-backports main restricted universe multiverse
deb-src trusty main restricted universe multiverse
deb-src trusty-security main restricted universe multiverse
deb-src trusty-updates main restricted universe multiverse
deb-src trusty-proposed main restricted universe multiverse
deb-src trusty-backports main restricted universe multiverse
阿里源：
deb trusty main restricted universe multiverse
deb trusty-security main restricted universe multiverse
deb trusty-updates main restricted universe multiverse
deb trusty-proposed main restricted universe multiverse
deb trusty-backports main restricted universe multiverse
deb-src trusty main restricted universe multiverse
deb-src trusty-security main restricted universe multiverse
deb-src trusty-updates main restricted universe multiverse
deb-src trusty-proposed main restricted universe multiverse
deb-src trusty-backports main restricted universe multiverse
centos源（放心使用）：
deb trusty main restricted universe multiverse
deb trusty-security main restricted universe multiverse
deb trusty-updates main restricted universe multiverse
deb trusty-backports main restricted universe multiverse
deb trusty-proposed main restricted universe multiverse
deb-src trusty main restricted universe multiverse
deb-src trusty-security main restricted universe multiverse
deb-src trusty-updates main restricted universe multiverse
deb-src trusty-backports main restricted universe multiverse
deb-src trusty-proposed main restricted universe multiverse
deb trusty main restricted universe multiverse
deb trusty-security main restricted universe multiverse
deb trusty-updates main restricted universe multiverse
deb trusty-proposed main restricted universe multiverse
deb trusty-backports main restricted universe multiverse
deb-src trusty main restricted universe multiverse
deb-src trusty-security main restricted universe multiverse
deb-src trusty-updates main restricted universe multiverse
deb-src trusty-proposed main restricted universe multiverse
deb-src trusty-backports main restricted universe multiverse
1、首先備份ubuntu 11.10源列表
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （備份下當前的源列表）
2、修改更新源
sudo gedit /etc/apt/sources.list
第三步：選擇好你要的源並且複製到你的源列表之後，關閉列表，使用sudo apt-get update命令更新
第四步：sudo apt-get upgrade
樹莓上換國內源 速度很快
1 備份為 sources.list.bak cp etc apt sources.list etc apt sources.list.bak2 編輯sources.list檔案 sudo nano etc apt sources.list 3 將原有內容用 注釋 4 換為以下內容 按ctrl o，...
ubuntu 更新國內源
sudo cp etc apt sources.list etc apt sources.list.backup vi etc apt sources.list ubuntu 官方源 阿里雲 網易163 由於包與包之間存在各種依賴關係。upgrade只是簡單的更新包，不管這些依賴，它不和新增包，或是...
Ubuntu系統更新國內源
3.更新 4.其他常用源 sudo cp etc apt sources.list etc apt sources init.list 將以前的源備份一下，以防以後可以用的。sudo gedit etc apt sources.list 使用gedit開啟文件，將下邊的阿里源複製進去，然後點選儲存關...