apt-get無法下載，網址報 Not Found 404，原因是apt軟件下載源有問題。

1.將/etc/apt/source.list里的內容替換。

? 在其它可以下載apt的ubuntu機器中拷貝過來覆蓋此文件，再執行apt-get update更新source list。

2.“軟件更新管理”->"設置"->“ubuntu軟件”->“下載自”中修改軟件下載源。

轉自：?http://blog.csdn.net/cjsycyl/article/details/32702745

有時會遇到能 ping 通外網，但是無法更新軟件的情況。
如： 正在讀取軟件包列表... 有錯誤！？？
解決方法如下：
sudo apt-get clean
cd /var/lib/apt
sudo mv lists lists.old
sudo mkdir -p lists/partial
sudo apt-get clean
sudo apt-get update

5.2安裝編譯環境的軟件可能會出現的問題

下列軟件包有未滿足的依賴關系：?libasound2:?破壞:?libasound2-plugins?(<?1.0.24-0ubuntu3)?但是?1.0.22-0ubuntu6?正要被安裝??libglib2.0-0:?破壞:?gnome-control-center?(<?1:3)?但是?1:2.30.0-0ubuntu4?正要被安裝??ppp:?破壞:?network-manager?(<=?0.8.0.999-1)?但是?0.8-0ubuntu3?正要被安裝E:?破損的軟件包

某些源有問題,為高版本?ubuntu的源?,刪除即可,如安裝高版本的git所用的源就是ubuntu?10.4之后的源，用在10.04上就可以會有問題，引起此提示。

在終端中執行：gedit?/etc/apt/source.list

把文件的最后?deb?http://ftp.de.debian.org/debian?sid?main?刪除，并保存退出

回到終端中執行：sudo?apt-get?update

再次重新安裝編譯環境的軟件

對于不同的版本使用的是不同的庫，如下，根據不同版本，替換名稱即可。

lucid（10.04） ??

Natty(11.04)

Oneiric(11.10)

Precise(12.04)

Quantal(12.10)

? ? ? ?Trusty(14.04)

? ? ? ?Utopic（14.10）

? ? ? ?Vivid（15.04）

? ? ? ?Wily(15.10)

? ? ? ?Xenial（16.04）

ubuntu 10.04 更新源 sources.list（我用的是網易的源）

Ubuntu系統下更新 sources.list
在終端執行以下命令（第一條是備份現有服務器列表，第二條是使用Gedit編輯，您也可以使用自己喜愛的編輯器編輯。）

（如果你設置的是非中文環境，但需要系統提供中文支持，那么請按照以下情況執行命令：sudo apt-get install language-pack-zh，正常的升級方法是，選擇“System”->“系統管理”->“Language Support”，系統會自動加載所需語言文件。）

sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
sudo gedit /etc/apt/sources.list


從以下各服務器列表內容中選擇一段替換文件中的所有內容（請根據自己網絡環境設置更新服務器，以達到最快的速度。）

* Archive.ubuntu.com 更新服務器(歐洲)：
#

deb http://archive.ubuntu.com/ubuntu/ dapper main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
deb http://archive.ubuntu.org.cn/ubuntu-cn/ dapper 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/ dapper main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ dapper-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/ dapper main restricted universe multiverse


* Mirror.lupaworld.com 更新服務器(浙江省杭州市電信，亞洲地區官方更新服務器，推薦全國用戶使用。）：?


deb http://cn.archive.ubuntu.com/ubuntu dapper main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu dapper-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu dapper-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu dapper-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn dapper main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu dapper main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu dapper-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu dapper-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu dapper-backports main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse



* 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。）(目前已無法使用)：?


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



* 北京市清華大學 更新服務器（教育網，推薦校園網和網通用戶使用。)：?


deb http://mirror9.net9.org/ubuntu/ dapper main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ dapper-backports main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ dapper-proposed main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ dapper-security main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ dapper-updates main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu-cn/ dapper main multiverse restricted universe


* 中國 臺灣省臺灣大學 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/ dapper main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-updates main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-updates main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-backports main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-backports main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-security main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ dapper-security main restricted universe multiverse
deb http://ftp.sjtu.edu.cn/ubuntu-cn/ dapper main multiverse restricted universe


* Mirror.vmmatrix.net 更新服務器（上海市電信，推薦電信網通用戶使用。）(目前已無法使用):?


deb http://mirror.vmmatrix.net/ubuntu/ dapper main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ dapper main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ dapper-updates main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ dapper-updates main restricted universe multiverse

deb http://mirror.vmmatrix.net/ubuntu/ dapper-backports main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ dapper-backports main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ dapper-security main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ dapper-security main restricted universe multiverse
deb http://ftp.sjtu.edu.cn/ubuntu-cn/ dapper main multiverse restricted universe

ubuntu.cnsite.org 更新服務器 (福建省福州市 電信):

deb http://ubuntu.cnsite.org/ubuntu/ dapper main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ dapper main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ dapper-updates main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ dapper-updates main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ dapper-backports main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ dapper-backports main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ dapper-security main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ dapper-security main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu-cn/ dapper main multiverse restricted universe

*

到以下網址可以自定義產生若干源：http://www.ubuntulinux.nl/source-o-matic 以下網址有極其全面的源，以供補充：http://italy.copybase.ch/blog/lista-repository- sourceslist-ottimizzata-per-ubuntu-kubuntu-linux/?

# 保存編輯好的文件，執行以下命令更新。

保存編輯好的文件，執行以下命令更新。


sudo apt-get update
sudo apt-get dist-upgrade

ubuntu 10.04 更新源 sources.list?

我也來湊湊人熱鬧,我是北京網通用戶,從網上搜集了很多,能用的不多,總結了下.

?

#uestc(成都市 電子科技大學更新服務器,推薦校園網和網通用戶使用)
deb http://ubuntu.uestc.edu.cn/ubuntu/ lucid main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ lucid-backports main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ lucid-proposed main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ lucid-security main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ lucid-updates main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ lucid main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ lucid-backports main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ lucid-proposed main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ lucid-security main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ lucid-updates main multiverse restricted universe

#網易
deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted

#sjtu(上海交通大學更新服務器)
deb http://ftp.sjtu.edu.cn/ubuntu/ lucid main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ lucid-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ lucid-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ lucid-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ lucid-updates main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ lucid main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ lucid-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ lucid-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ lucid-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ lucid-updates main multiverse restricted universe

#SRT
deb http://ubuntu.srt.cn/ubuntu/ lucid main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ lucid-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ lucid-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ lucid-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ lucid-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ lucid main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ lucid-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ lucid-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ lucid-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ lucid-backports main restricted universe multiverse

#cn99
deb http://ubuntu.cn99.com/ubuntu/ lucid main multiverse restricted universe
deb http://ubuntu.cn99.com/ubuntu/ lucid-backports main multiverse restricted universe
deb http://ubuntu.cn99.com/ubuntu/ lucid-proposed main multiverse restricted universe
deb http://ubuntu.cn99.com/ubuntu/ lucid-security main multiverse restricted universe
deb http://ubuntu.cn99.com/ubuntu/ lucid-updates main multiverse restricted universe
deb-src http://ubuntu.cn99.com/ubuntu/ lucid main multiverse restricted universe
deb-src http://ubuntu.cn99.com/ubuntu/ lucid-backports main multiverse restricted universe
deb-src http://ubuntu.cn99.com/ubuntu/ lucid-proposed main multiverse restricted universe
deb-src http://ubuntu.cn99.com/ubuntu/ lucid-security main multiverse restricted universe
deb-src http://ubuntu.cn99.com/ubuntu/ lucid-updates main multiverse restricted universe

總結

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