[问题]如何选择更新源

[cshishaliu]

我有时候在教育网内，有时候是在网通网里，我用那个更新源？

我目前使用的源列表如下：

deb http://ftp.sjtu.edu.cn/ubuntu/ feisty main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-updates main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-updates main multiverse restricted universe

我注意到里面有个“feisty”，但原先系统使用的源里面都是“gutsy”。
我不知道这两个具体有什么区别，我想问一下我能用上面的这些源吗？求高手相助，并为我详细讲解一下。

PS:当前我的sources.list文件内容如下

deb cdrom:[Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/ gutsy 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/ gutsy main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted

## 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
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://cn.archive.ubuntu.com/ubuntu/ gutsy universe
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy universe
deb http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates universe
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates 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/ gutsy multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy-updates 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/ gutsy-backports main restricted universe multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ gutsy-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 gutsy partner
# deb-src http://archive.canonical.com/ubuntu gutsy partner

deb http://security.ubuntu.com/ubuntu gutsy-security main restricted
deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted
deb http://security.ubuntu.com/ubuntu gutsy-security universe
deb-src http://security.ubuntu.com/ubuntu gutsy-security universe
deb http://security.ubuntu.com/ubuntu gutsy-security multiverse
deb-src http://security.ubuntu.com/ubuntu gutsy-security multiverse
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ feisty-updates main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ feisty-updates main multiverse restricted universe

[weive]

wiki，快速设置指南，我们推荐的源。进去，各种源都有。
版本的区别，不要混用.feisy 是7.04 。gutsy 7.10。

[ubuntuing]

版本的区别，不要混用.feisy 是7.04 。gutsy 7.10。

YE~~我曾经一次更新源了，发现也是弄错了 f的弄成g的了，然后就是没完没了的升级问题了，烦着了
个人建议还是先用着7.04的踏实。想玩花招等混熟了也不迟