ubuntu更新源

fengyetang

sudo gedit /etc/apt/sources.list
配置一个源足矣，越多越麻烦。系统似乎不会自动识别速度最快的源，源越多只会导致update和upgrade的速度减慢。
#中国科学技术大学更新服务器（教育网，推荐校园网和网通用户使用）：
deb
http://debian.ustc.edu.cn/ubuntu/
hardy main multiverse restricted universe
deb
http://debian.ustc.edu.cn/ubuntu/
hardy-backports main multiverse restricted universe
deb
http://debian.ustc.edu.cn/ubuntu/
hardy-proposed main multiverse restricted universe
deb
http://debian.ustc.edu.cn/ubuntu/
hardy-security main multiverse restricted universe
deb
http://debian.ustc.edu.cn/ubuntu/
hardy-updates main multiverse restricted universe
deb-src
http://debian.ustc.edu.cn/ubuntu/
hardy main multiverse restricted universe
deb-src
http://debian.ustc.edu.cn/ubuntu/
hardy-backports main multiverse restricted universe
deb-src
http://debian.ustc.edu.cn/ubuntu/
hardy-proposed main multiverse restricted universe
deb-src
http://debian.ustc.edu.cn/ubuntu/
hardy-security main multiverse restricted universe
deb-src
http://debian.ustc.edu.cn/ubuntu/
hardy-updates main multiverse restricted universe
#电信cn99的源
deb
http://ubuntu.cn99.com/ubuntu/
hardy main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/
hardy-security main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/
hardy-updates main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/
hardy-proposed main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/
hardy-backports main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/
hardy main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/
hardy-security main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/
hardy-updates main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/
hardy-proposed main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/
hardy-backports main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu-cn/
hardy main restricted universe multiverse
sudo apt-get update #这一步是更新你的源列表，换源后必须执行,，然后才能生效
sudo apt-get upgrade #这一步是更新软件
               
               
               

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