Ubuntu 11.04更新元

まず、ソースのリストをバックアップします.

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

その後、geditまたは他のエディタで開きます.

 sudo gedit /etc/apt/sources.list

次のリストから適切なソースを選択し、ファイル内のすべての内容を置き換え、編集したファイルを保存します.
次に、リストをリフレッシュします.

sudo apt-get update

Ubuntu 11.04網易源(速度が速い)
 
deb http://mirrors.163.com/ubuntu/natty main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/natty main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/natty-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/natty-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/natty-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/natty-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/natty-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/natty-updates universe main multiverse restricted
 
ubuntu 11.04上海源提供Kernel,Hiweed,ubuntu
 
deb http://mirror.rootguide.org/ubuntu/natty main universe restricted multiverse
deb-src http://mirror.rootguide.org/ubuntu/natty main universe restricted multiverse
deb http://mirror.rootguide.org/ubuntu/natty-security universe main multiverse restricted
deb-src http://mirror.rootguide.org/ubuntu/natty-security universe main multiverse restricted
deb http://mirror.rootguide.org/ubuntu/natty-updates universe main multiverse restricted
deb http://mirror.rootguide.org/ubuntu/natty-proposed universe main multiverse restricted
deb-src http://mirror.rootguide.org/ubuntu/natty-proposed universe main multiverse restricted
deb http://mirror.rootguide.org/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirror.rootguide.org/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirror.rootguide.org/ubuntu/natty-updates universe main multiverse restricted
 
ubuntu 11.04捜狐源
 
deb http://mirrors.shlug.org/ubuntu/natty main universe restricted multiverse
deb-src http://mirrors.shlug.org/ubuntu/natty main universe restricted multiverse
deb http://mirrors.shlug.org/ubuntu/natty-security universe main multiverse restricted
deb-src http://mirrors.shlug.org/ubuntu/natty-security universe main multiverse restricted
deb http://mirrors.shlug.org/ubuntu/natty-updates universe main multiverse restricted
deb http://mirrors.shlug.org/ubuntu/natty-proposed universe main multiverse restricted
deb-src http://mirrors.shlug.org/ubuntu/natty-proposed universe main multiverse restricted
deb http://mirrors.shlug.org/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirrors.shlug.org/ubuntu/natty-backports universe main multiverse restricted
deb-src http://mirrors.shlug.org/ubuntu/natty-updates universe main multiverse restricted