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最近重新要在Ubuntu上安装环境，所有的apt-get都会出现“Failed to fetch 404 Not Found” 错误
- Err http://archive.ubuntu.com quantal/main amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]
- Err http://archive.ubuntu.com quantal/restricted amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]
-
- W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/main/binary-amd64/Packages 404 Not Found [IP: 91.189.91.15 80]
-
- W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/restricted/binary-amd64/Packages 404 Not Found [IP: 91.189.91.15 80]
-
-
- Err http://security.ubuntu.com raring-security/main amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]
- Err http://security.ubuntu.com raring-security/restricted amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]
- Err http://security.ubuntu.com raring-security/universe amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]
- Err http://security.ubuntu.com raring-security/multiverse amd64 Packages
- 404 Not Found [IP: 91.189.91.15 80]</span>
为什么会出现此类错误？
Ubuntu 更新换代很快. 你的ubuntu一旦不是最新版本后，其仓库 （repository）就会被移到另外的服务器上面。所以不再是
http://archive.ubuntu.com/ubuntu/dist/ 这里能找到的。
如何解决？
-
最简单的方式是更新ubuntu到最新版本：（不一定可用，我使用还是会出现404）
- sudo apt-get dist-upgrade
-
另外，你可以通过修改 /etc/apt/sources.list 来把链接指向旧的版本仓库：
- sudo sed -i -e 's/archive.ubuntu.com\|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
- grep -E 'archive.ubuntu.com|security.ubuntu.com' /etc/apt/sources.list.d/*
转载地址 http://blog.csdn.net/akiyame/article/details/45576717