#将文件里的内容全部删除，当然之前也可以用 sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak#好习惯就是这样养成的 （注：只复制粘贴所有deb开头的行。细心的读者会发现源sources.list文件中有以许多#开头的行，这个#意味这此行为注释行，不起作用，剩余 的deb的行才是真正的源）
Ubuntu 10.04 台湾更新源：
deb lucid main universe restricted multiversedeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb lucid-security universe main multiverse restricteddeb lucid-backports main multiverse restricted universedeb-src lucid main universe restricted multiversedeb-src lucid-security universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricted
Ubuntu 10.04更新源 -Lucid Lynx-中国源 提供 ArchLinux，Everest，FreeBSD，Fedora，LFS，Magiclinux，Mandriva，OpenOffice，openSUSE，Puppy，RedHat，Slitaz，Turbolinux，Ubuntu， 中标普华
deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted
rootguide源，Ubuntu官方上海源，提供 Kernel，，Hiweed，ubuntu deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted
网易开源镜像站,提供 FreeBSD，OpenBSD，archlinux，CentOS，cygwin，debian，Fedora，gentoo，kernel，openSUSE，slackware，Ubuntu deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted
搜狐开源镜像站，提供 CPAN，FreeBSD，NetBSD，OpenBSD，apache，archlinux，centos，cygwin，dag，debian，Fedora，gentoo，kernel，lfs，mysql，nginx，openSUSE，php，rpmfusion，slackware，Ubuntu deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted
网易开源镜像站,提供 FreeBSD，OpenBSD，archlinux，centos，cygwin，debian，Fedora，gentoo，kernel，openSUSE，slackware，Ubuntu deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted
骨头源，提供Ubuntu,deepin deb lucid main universe restricted multiversedeb-src lucid main universe restricted multiversedeb lucid-security universe main multiverse restricteddeb-src lucid-security universe main multiverse restricteddeb lucid-updates universe main multiverse restricteddeb lucid-proposed universe main multiverse restricteddeb-src lucid-proposed universe main multiverse restricteddeb lucid-backports universe main multiverse restricteddeb-src lucid-backports universe main multiverse restricteddeb-src lucid-updates universe main multiverse restricted保存后输入下面的指令刷新源信息： #sudo apt-get update 然后输入： #sudo apt-get upgrade
你在雨中行走，你从不打伞，你有自己的天空，它从不下雨。
