Ubuntu镜像
源文件/etc/apt/sources.list。
Ubuntu自带的镜像文件：
# deb cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release i386 (20090420.1)]/ jaunty main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://cn.archive.ubuntu.com/ubuntu/ jaunty main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ jaunty main restricted ## Major bug fix updates produced after the final release of the ## distribution. ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://cn.archive.ubuntu.com/ubuntu/ jaunty universe deb-src http://cn.archive.ubuntu.com/ubuntu/ jaunty universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://cn.archive.ubuntu.com/ubuntu/ jaunty multiverse deb-src http://cn.archive.ubuntu.com/ubuntu/ jaunty multiverse ## Uncomment the following two lines to add software from the 'backports' ## repository. ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. # deb http://cn.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse # deb-src http://cn.archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu jaunty partner # deb-src http://archive.canonical.com/ubuntu jaunty partner
网易的开源镜像：
deb http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiverse deb http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiverse deb http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiverse deb http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiverse deb http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiverse deb-src http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiverse deb-src http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiverse deb-src http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiverse deb-src http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiverse deb-src http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiverse deb http://ubuntu.cn99.com/ubuntu-cn/ gutsy main restricted universe multiverse
Sohu镜像：
deb http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse
修改文件后执行sudo apt-get update。