更新時出現以下錯誤訊息：


無法初始化套件資訊

初始套件資訊時發生不能解決的問題。

請匯報此錯誤於 "update-manager" 套件並附上以下的錯誤訊息：

'E:未知的類型 '20091027'，位於在來源列表 /etc/apt/sources.list 中的第 2 行, E:無法讀取來源列表。'


我的/etc/apt/sources.list為
-----------------------←分格線

#
20091027

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

# deb http://ftp.twaren.net/ubuntu karmic main restricted
# deb-src http://ftp.twaren.net/ubuntu karmic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
# deb http://ftp.twaren.net/ubuntu karmic-updates main restricted
# deb-src http://ftp.twaren.net/ubuntu karmic-updates main restricted

## 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://ftp.twaren.net/ubuntu karmic universe
# deb-src http://ftp.twaren.net/ubuntu karmic universe
# deb http://ftp.twaren.net/ubuntu karmic-updates universe
# deb-src http://ftp.twaren.net/ubuntu karmic-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://ftp.twaren.net/ubuntu karmic multiverse
# deb-src http://ftp.twaren.net/ubuntu karmic multiverse
# deb http://ftp.twaren.net/ubuntu karmic-updates multiverse
# deb-src http://ftp.twaren.net/ubuntu karmic-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://tw.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
# deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic-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 karmic partner
deb-src http://archive.canonical.com/ubuntu karmic partner

# deb http://ftp.twaren.net/ubuntu karmic-security main restricted
# deb-src http://ftp.twaren.net/ubuntu karmic-security main restricted
# deb http://ftp.twaren.net/ubuntu karmic-security universe
# deb-src http://ftp.twaren.net/ubuntu karmic-security universe
# deb http://ftp.twaren.net/ubuntu karmic-security multiverse
deb http://ftp.tcc.edu.tw/Linux/ubuntu/ karmic main universe restricted multiverse #國網中心伺服器 (Lazybuntu 新增)
deb-src http://ftp.tcc.edu.tw/Linux/ubuntu/ karmic main universe restricted multiverse #國網中心伺服器 (Lazybuntu 新增)
deb http://security.ubuntu.com/ubuntu/ karmic-security main universe restricted multiverse #安全性更新伺服器 (Lazybuntu 新增)
deb-src http://ftp.tcc.edu.tw/Linux/ubuntu/ karmic-security main universe restricted multiverse #安全性更新伺服器 (Lazybuntu 新增)
# deb-src http://ftp.twaren.net/ubuntu karmic-security multiverse

#the source of Ubuntu Tweak (Lazybuntu 新增)
deb http://ppa.launchpad.net/tualatrix/ubuntu hardy main
deb-src http://ppa.launchpad.net/tualatrix/ubuntu hardy main


請各位幫幫忙！已經在網路上找解決方法很久了！可是一直無效= =

我的系統是ubuntu9.10~~請各位教教、救救我吧

他說的就是第二行阿...
那個絕對不是什麼套件來源，請用 # 讓程式忽略他。

小弟我認為......

---

#
20091027

---

改成
#20091027
應該就可以了^_^"

sudo sed -i '/20091027/d' /etc/apt/sources.list

十分謝謝三位的教導，透過hepha的方法已解決問題！
日後若還有不懂之處，再來請教各位！先來去弄懂sudo sed -i '/20091027/d' /etc/apt/sources.list這行指令的意思囉！再次感謝