1. 背景

我的Ubuntu是12 的，太老了， 执行sudo apt-get update老是失败：各种404

2. 解决办法

网上找了很多办法，都不行。

最终还是这个办法管用：

打开：Ubuntu Sources List Generator

选择：与你实际虚拟机最相近或者相等的版本，我这里只能选择14

点击最下面的generate list

如椭圆框所说，把长方形框里的source list 替换掉虚拟机里的/etc/apt/sources.list

3. 再次执行： sudo apt-get update 

~$
book@book-virtual-machine:~$
book@book-virtual-machine:~$ sudo apt-get update
Hit http://cn.archive.ubuntu.com trusty Release.gpg
Get:1 http://cn.archive.ubuntu.com trusty-security Release.gpg [916 B]
Get:2 http://cn.archive.ubuntu.com trusty-updates Release.gpg [916 B]
Get:3 http://cn.archive.ubuntu.com trusty-proposed Release.gpg [916 B]
Get:4 http://cn.archive.ubuntu.com trusty-backports Release.gpg [916 B]
Hit http://cn.archive.ubuntu.com trusty Release
Get:5 http://cn.archive.ubuntu.com trusty-security Release [64.9 kB]
Get:6 http://cn.archive.ubuntu.com trusty-updates Release [64.9 kB]
Get:7 http://cn.archive.ubuntu.com trusty-proposed Release [64.9 kB]
Get:8 http://cn.archive.ubuntu.com trusty-backports Release [64.9 kB]
Get:9 http://cn.archive.ubuntu.com trusty/restricted Sources [5,433 B]
Get:10 http://cn.archive.ubuntu.com trusty/universe Sources [6,399 kB]
Get:11 http://cn.archive.ubuntu.com trusty/multiverse Sources [174 kB]
Hit http://cn.archive.ubuntu.com trusty/multiverse amd64 Packages
Hit http://cn.archive.ubuntu.com trusty/main i386 Packages
Get:12 http://cn.archive.ubuntu.com trusty/main Sources [1,064 kB]
Hit http://cn.archive.ubuntu.com trusty/multiverse i386 Packages
Hit http://cn.archive.ubuntu.com trusty/main TranslationIndex
Hit http://cn.archive.ubuntu.com trusty/main amd64 Packages
Hit http://cn.archive.ubuntu.com trusty/restricted amd64 Packages
Hit http://cn.archive.ubuntu.com trusty/universe amd64 Packages
Hit http://cn.archive.ubuntu.com trusty/multiverse TranslationIndex
Hit http://cn.archive.ubuntu.com trusty/restricted TranslationIndex
Hit http://cn.archive.ubuntu.com trusty/restricted i386 Packages
Hit http://cn.archive.ubuntu.com trusty/universe TranslationIndex
Hit http://cn.archive.ubuntu.com trusty/universe i386 Packages
Get:13 http://cn.archive.ubuntu.com trusty-security/universe Sources [103 kB]
Get:14 http://cn.archive.ubuntu.com trusty-security/restricted i386 Packages [13.9 kB]
Get:15 http://cn.archive.ubuntu.com trusty-security/main Sources [172 kB]
Get:16 http://cn.archive.ubuntu.com trusty-security/restricted Sources [4,931 B]
Get:17 http://cn.archive.ubuntu.com trusty-security/multiverse Sources [3,263 B]
Get:18 http://cn.archive.ubuntu.com trusty-security/main amd64 Packages [835 kB]
Get:19 http://cn.archive.ubuntu.com trusty-security/restricted amd64 Packages [14.2 kB]
Get:20 http://cn.archive.ubuntu.com trusty-security/universe amd64 Packages [295 kB]
Get:21 http://cn.archive.ubuntu.com trusty-security/multiverse amd64 Packages [4,806 B]
Get:22 http://cn.archive.ubuntu.com trusty-security/main i386 Packages [748 kB]
Get:23 http://cn.archive.ubuntu.com trusty-security/multiverse i386 Packages [4,969 B]
Get:24 http://cn.archive.ubuntu.com trusty-security/main TranslationIndex [208 B]
Get:25 http://cn.archive.ubuntu.com trusty-security/multiverse TranslationIndex [199 B]
Get:26 http://cn.archive.ubuntu.com trusty-security/universe i386 Packages [278 kB]
Get:27 http://cn.archive.ubuntu.com trusty-security/restricted TranslationIndex [202 B]
Get:28 http://cn.archive.ubuntu.com trusty-security/universe TranslationIndex [205 B]
Get:29 http://cn.archive.ubuntu.com trusty-updates/main Sources [431 kB]
Get:30 http://cn.archive.ubuntu.com trusty-updates/universe Sources [231 kB]
Get:31 http://cn.archive.ubuntu.com trusty-updates/multiverse Sources [7,535 B]
Get:32 http://cn.archive.ubuntu.com trusty-updates/main amd64 Packages [1,177 kB]
Get:33 http://cn.archive.ubuntu.com trusty-updates/restricted i386 Packages [17.0 kB]
Get:34 http://cn.archive.ubuntu.com trusty-updates/universe i386 Packages [504 kB]
Get:35 http://cn.archive.ubuntu.com trusty-updates/restricted Sources [6,313 B]
Get:36 http://cn.archive.ubuntu.com trusty-updates/multiverse i386 Packages [15.1 kB]
Get:37 http://cn.archive.ubuntu.com trusty-updates/main TranslationIndex [208 B]
Get:38 http://cn.archive.ubuntu.com trusty-updates/multiverse TranslationIndex [202 B]
Get:39 http://cn.archive.ubuntu.com trusty-updates/restricted amd64 Packages [17.2 kB]
Get:40 http://cn.archive.ubuntu.com trusty-updates/universe amd64 Packages [525 kB]
Get:41 http://cn.archive.ubuntu.com trusty-updates/multiverse amd64 Packages [14.6 kB]
Get:42 http://cn.archive.ubuntu.com trusty-updates/main i386 Packages [1,089 kB]
Get:43 http://cn.archive.ubuntu.com trusty-updates/restricted TranslationIndex [202 B]
Get:44 http://cn.archive.ubuntu.com trusty-updates/universe TranslationIndex [208 B]
Get:45 http://cn.archive.ubuntu.com trusty-proposed/main Sources [1,191 B]
Get:46 http://cn.archive.ubuntu.com trusty-proposed/universe Sources [15.2 kB]
Get:47 http://cn.archive.ubuntu.com trusty-proposed/restricted amd64 Packages [774 B]
Get:48 http://cn.archive.ubuntu.com trusty-proposed/universe amd64 Packages [8,457 B]
Get:49 http://cn.archive.ubuntu.com trusty-proposed/multiverse amd64 Packages [28 B]
Get:50 http://cn.archive.ubuntu.com trusty-proposed/restricted Sources [783 B]
Get:51 http://cn.archive.ubuntu.com trusty-proposed/multiverse i386 Packages [28 B]
Get:52 http://cn.archive.ubuntu.com trusty-proposed/multiverse Sources [28 B]
Get:53 http://cn.archive.ubuntu.com trusty-proposed/main amd64 Packages [4,306 B]
Get:54 http://cn.archive.ubuntu.com trusty-proposed/main TranslationIndex [202 B]
Get:55 http://cn.archive.ubuntu.com trusty-proposed/multiverse TranslationIndex [193 B]
Get:56 http://cn.archive.ubuntu.com trusty-proposed/restricted TranslationIndex [196 B]
Get:57 http://cn.archive.ubuntu.com trusty-proposed/main i386 Packages [2,495 B]
Get:58 http://cn.archive.ubuntu.com trusty-proposed/restricted i386 Packages [771 B]
Get:59 http://cn.archive.ubuntu.com trusty-proposed/universe i386 Packages [9,069 B]
Get:60 http://cn.archive.ubuntu.com trusty-proposed/universe TranslationIndex [202 B]
Get:61 http://cn.archive.ubuntu.com trusty-backports/main i386 Packages [13.3 kB]
Get:62 http://cn.archive.ubuntu.com trusty-backports/main Sources [9,709 B]
Get:63 http://cn.archive.ubuntu.com trusty-backports/restricted Sources [28 B]
Get:64 http://cn.archive.ubuntu.com trusty-backports/universe Sources [35.4 kB]
Get:65 http://cn.archive.ubuntu.com trusty-backports/multiverse Sources [1,896 B]
Get:66 http://cn.archive.ubuntu.com trusty-backports/main amd64 Packages [13.3 kB]
Get:67 http://cn.archive.ubuntu.com trusty-backports/restricted amd64 Packages [28 B]
Get:68 http://cn.archive.ubuntu.com trusty-backports/universe amd64 Packages [43.1 kB]
Get:69 http://cn.archive.ubuntu.com trusty-backports/multiverse amd64 Packages [1,567 B]
Get:70 http://cn.archive.ubuntu.com trusty-backports/universe i386 Packages [43.2 kB]
Get:71 http://cn.archive.ubuntu.com trusty-backports/restricted i386 Packages [28 B]
Get:72 http://cn.archive.ubuntu.com trusty-backports/main TranslationIndex [202 B]
Get:73 http://cn.archive.ubuntu.com trusty-backports/multiverse TranslationIndex [199 B]
Get:74 http://cn.archive.ubuntu.com trusty-backports/restricted TranslationIndex [193 B]
Get:75 http://cn.archive.ubuntu.com trusty-backports/universe TranslationIndex [205 B]
Hit http://cn.archive.ubuntu.com trusty/multiverse Translation-en
Hit http://cn.archive.ubuntu.com trusty/universe Translation-en
Get:76 http://cn.archive.ubuntu.com trusty-backports/multiverse i386 Packages [1,551 B]
Get:77 http://cn.archive.ubuntu.com trusty-security/universe Translation-en [162 kB]
Hit http://cn.archive.ubuntu.com trusty/main Translation-en
Hit http://cn.archive.ubuntu.com trusty/restricted Translation-en
Get:78 http://cn.archive.ubuntu.com trusty-updates/restricted Translation-en [4,028 B]
Get:79 http://cn.archive.ubuntu.com trusty-security/main Translation-en [448 kB]
Get:80 http://cn.archive.ubuntu.com trusty-security/multiverse Translation-en [2,564 B]
Get:81 http://cn.archive.ubuntu.com trusty-security/restricted Translation-en [3,556 B]
Get:82 http://cn.archive.ubuntu.com trusty-proposed/main Translation-en [2,755 B]
Get:83 http://cn.archive.ubuntu.com trusty-updates/main Translation-en [582 kB]
Get:84 http://cn.archive.ubuntu.com trusty-updates/multiverse Translation-en [7,616 B]
Get:85 http://cn.archive.ubuntu.com trusty-proposed/universe Translation-en [8,515 B]
Get:86 http://cn.archive.ubuntu.com trusty-backports/main Translation-en [7,503 B]
Get:87 http://cn.archive.ubuntu.com trusty-updates/universe Translation-en [281 kB]
Get:88 http://cn.archive.ubuntu.com trusty-proposed/multiverse Translation-en [28 B]
Get:89 http://cn.archive.ubuntu.com trusty-proposed/restricted Translation-en [281 B]
Get:90 http://cn.archive.ubuntu.com trusty-backports/multiverse Translation-en [1,215 B]
Get:91 http://cn.archive.ubuntu.com trusty-backports/restricted Translation-en [28 B]
Get:92 http://cn.archive.ubuntu.com trusty-backports/universe Translation-en [36.8 kB]
Fetched 16.2 MB in 1min 47s (151 kB/s)
Reading package lists... Done
book@book-virtual-machine:~$
book@book-virtual-machine:~$
 

 

 大功告成了！

可以正常的安装各个软件了！

Nice!