更新Ubuntu 8.10源的辦法：
首先看清源的版本，intrepid代表8.10，hardy代表8.04。教育網用戶就近選擇大學源，我一直用中科大的，前兩年可以達到幾M的速度，近來不知是我們網速的原因，還是他們負擔過大的原因，沒有以前快了，但幾十幾百的速度，也夠了。
命令：sudo gedit /etc/apt/sources.list
用你選擇的源覆蓋原先的，注意網頁復制可能產生多余的空格等，自行去掉。
更新命令，其實系統自己也會自動更新。
sudo apt-get update
sudo apt-get dist-upgrade
#Archive.ubuntu.com更新服務器（歐洲，此為官方源，電信網通用戶使用)：
deb http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiversedeb http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiversedeb http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiversedeb http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiversedeb http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiversedeb-src http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiversedeb-src http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiversedeb-src http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiversedeb-src http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiversedeb-src http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiverse
#Ubuntu.cn99.com更新服務器（江蘇省常州市電信，推薦電信用戶使用）：
deb http://ubuntu.cn99.com/ubuntu/ intrepid main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ intrepid-security main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ intrepid-updates main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ intrepid-proposed main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ intrepid-backports main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ intrepid main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ intrepid-security main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ intrepid-updates main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ intrepid-proposed main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ intrepid-backports main restricted universe multiverse
#Mirrors.shlug.org更新服務器（電信服務器，Ubuntu China Official Mirror, maintained by Shanghai Linux User Group）：
deb http://cn.archive.ubuntu.com/ubuntu intrepid main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu intrepid-security main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu intrepid-updates main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu intrepid-backports main restricted universe multiversedeb http://cn.archive.ubuntu.com/ubuntu intrepid-proposed main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu intrepid main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu intrepid-security main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu intrepid-updates main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu intrepid-backports main restricted universe multiversedeb-src http://cn.archive.ubuntu.com/ubuntu intrepid-proposed main restricted universe multiverse
#Mirror.lupaworld.com更新服務器（浙江省杭州市雙線服務器）：
deb http://mirror.lupaworld.com/ubuntu intrepid main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu intrepid-security main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu intrepid-updates main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu intrepid-backports main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu intrepid-proposed main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu intrepid main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu intrepid-security main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu intrepid-updates main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu intrepid-backports main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu intrepid-proposed main restricted universe multiverse
#廈門大學更新服務器（教育網服務器）：
deb ftp://ubuntu.realss.cn/ubuntu/ intrepid main restricted universe multiversedeb ftp://ubuntu.realss.cn/ubuntu/ intrepid-backports restricted universe multiversedeb ftp://ubuntu.realss.cn/ubuntu/ intrepid-proposed main restricted universe multiversedeb ftp://ubuntu.realss.cn/ubuntu/ intrepid-security main restricted universe multiversedeb ftp://ubuntu.realss.cn/ubuntu/ intrepid-updates main restricted universe multiversedeb-src ftp://ubuntu.realss.cn/ubuntu/ intrepid main restricted universe multiversedeb-src ftp://ubuntu.realss.cn/ubuntu/ intrepid-backports main restricted universe multiversedeb-src ftp://ubuntu.realss.cn/ubuntu/ intrepid-proposed main restricted universe multiversedeb-src ftp://ubuntu.realss.cn/ubuntu/ intrepid-security main restricted universe multiversedeb-src ftp://ubuntu.realss.cn/ubuntu/ intrepid-updates main restricted universe multiverse
#成都市 電子科技大學更新服務器（教育網，推薦校園網和網通用戶使用）：
deb http://ubuntu.uestc.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universedeb-src http://ubuntu.uestc.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb-src http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb-src http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb-src http://ubuntu.uestc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe #== 如果無法解析uestc.edu.cn域名，請使用以下地址 == deb http://ubuntu.dormforce.net/ubuntu/ intrepid main multiverse restricted universedeb http://ubuntu.dormforce.net/ubuntu/ intrepid-backports main multiverse restricted universedeb http://ubuntu.dormforce.net/ubuntu/ intrepid-proposed main multiverse restricted universedeb http://ubuntu.dormforce.net/ubuntu/ intrepid-security main multiverse restricted universedeb http://ubuntu.dormforce.net/ubuntu/ intrepid-updates main multiverse restricted universedeb-src http://ubuntu.dormforce.net/ubuntu/ intrepid main multiverse restricted universedeb-src http://ubuntu.dormforce.net/ubuntu/ intrepid-backports main multiverse restricted universedeb-src http://ubuntu.dormforce.net/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://ubuntu.dormforce.net/ubuntu/ intrepid-security main multiverse restricted universedeb-src http://ubuntu.dormforce.net/ubuntu/ intrepid-updates main multiverse restricted universe
#上海市上海交通大學更新服務器（教育網，推薦校園網和網通用戶使用）：
deb http://ftp.sjtu.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb http://ftp.sjtu.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb http://ftp.sjtu.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb http://ftp.sjtu.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb http://ftp.sjtu.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe
#中國科學技術大學更新服務器（教育網，推薦校園網和網通用戶使用）：
deb http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universedeb-src http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universedeb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universedeb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universedeb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe
#中國台灣台灣大學更新服務器（推薦網通用戶使用，電信PING平均響應速度41MS。強烈推薦此源，比較完整，較少出現同步問題）：
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid main restricted universe multiversedeb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid main restricted universe multiversedeb http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-updates main restricted universe multiversedeb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-updates main restricted universe multiversedeb http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-backports main restricted universe multiversedeb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-backports main restricted universe multiversedeb http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-security main restricted universe multiversedeb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-security main restricted universe multiversedeb http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ intrepid-proposed main restricted universe multiverse
#mirror.rootguide.org更新服務器（上海市 電信）：
deb http://mirror.rootguide.org/ubuntu/ intrepid main restricted universe multiversedeb-src http://mirror.rootguide.org/ubuntu/ intrepid main restricted universe multiversedeb http://mirror.rootguide.org/ubuntu/ intrepid-updates main restricted universe multiversedeb-src http://mirror.rootguide.org/ubuntu/ intrepid-updates main restricted universe multiversedeb http://mirror.rootguide.org/ubuntu/ intrepid-backports main restricted universe multiversedeb-src http://mirror.rootguide.org/ubuntu/ intrepid-backports main restricted universe multiversedeb http://mirror.rootguide.org/ubuntu/ intrepid-security main restricted universe multiversedeb-src http://mirror.rootguide.org/ubuntu/ intrepid-security main restricted universe multiversedeb http://mirror.rootguide.org/ubuntu/ intrepid-proposed main multiverse restricted universedeb-src http://mirror.rootguide.org/ubuntu/ intrepid-proposed main restricted universe multiverse
#台灣的官方源速度也相當不錯，有時甚至快於內地的：
deb http://tw.archive.ubuntu.com/ubuntu intrepid main restricted universe multiversedeb http://tw.archive.ubuntu.com/ubuntu intrepid-security main restricted universe multiversedeb http://tw.archive.ubuntu.com/ubuntu intrepid-updates main restricted universe multiversedeb http://tw.archive.ubuntu.com/ubuntu intrepid-backports main restricted universe multiversedeb http://tw.archive.ubuntu.com/ubuntu intrepid-proposed main restricted universe multiversedeb-src http://tw.archive.ubuntu.com/ubuntu intrepid main restricted universe multiversedeb-src http://tw.archive.ubuntu.com/ubuntu intrepid-security main restricted universe multiversedeb-src http://tw.archive.ubuntu.com/ubuntu intrepid-updates main restricted universe multiversedeb-src http://tw.archive.ubuntu.com/ubuntu intrepid-backports main restricted universe multiversedeb-src http://tw.archive.ubuntu.com/ubuntu intrepid-proposed main restricted universe multiverse
