apt-get install mysql-server혹은 apt-get update나 apt-get update --fix-missing를  수행시 아래와 같이 404오류가 발생할 수 있는데...

----------------------오류상황----------------------

root@master:/usr/local/src/mysql-5.0.85# apt-get update --fix-missing
Ign http://ports.ubuntu.com quantal InRelease                                                       
Ign http://ppa.launchpad.net quantal InRelease                                                      
Ign http://ports.ubuntu.com quantal Release.gpg
Hit http://ppa.launchpad.net quantal Release.gpg
Ign http://ports.ubuntu.com quantal Release
Hit http://ppa.launchpad.net quantal Release
Ign http://ports.ubuntu.com quantal/main Sources/DiffIndex
Hit http://ppa.launchpad.net quantal/main Sources
Ign http://ports.ubuntu.com quantal/universe Sources/DiffIndex
Hit http://ppa.launchpad.net quantal/main armhf Packages
Ign http://ports.ubuntu.com quantal/main armhf Packages/DiffIndex
Ign http://ports.ubuntu.com quantal/universe armhf Packages/DiffIndex
Ign http://ppa.launchpad.net quantal/main Translation-en
Ign http://ports.ubuntu.com quantal/main Translation-en
Ign http://ports.ubuntu.com quantal/universe Translation-en
Err http://ports.ubuntu.com quantal/main Sources
  404  Not Found
Err http://ports.ubuntu.com quantal/universe Sources
  404  Not Found
Err http://ports.ubuntu.com quantal/main armhf Packages
  404  Not Found
Err http://ports.ubuntu.com quantal/universe armhf Packages
  404  Not Found
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/main/source/Sources  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/universe/source/Sources  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/main/binary-armhf/Packages  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/universe/binary-armhf/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.
root@master:/usr/local/src/mysql-5.0.85# apt-get update              
Ign http://ppa.launchpad.net quantal InRelease                           
Ign http://ports.ubuntu.com quantal InRelease                            
Hit http://ppa.launchpad.net quantal Release.gpg
Ign http://ports.ubuntu.com quantal Release.gpg
Hit http://ppa.launchpad.net quantal Release
Ign http://ports.ubuntu.com quantal Release     
Hit http://ppa.launchpad.net quantal/main Sources
Ign http://ports.ubuntu.com quantal/main Sources/DiffIndex
Hit http://ppa.launchpad.net quantal/main armhf Packages
Ign http://ports.ubuntu.com quantal/universe Sources/DiffIndex
Ign http://ports.ubuntu.com quantal/main armhf Packages/DiffIndex
Ign http://ports.ubuntu.com quantal/universe armhf Packages/DiffIndex
Ign http://ppa.launchpad.net quantal/main Translation-en
Ign http://ports.ubuntu.com quantal/main Translation-en
Ign http://ports.ubuntu.com quantal/universe Translation-en
Err http://ports.ubuntu.com quantal/main Sources
  404  Not Found
Err http://ports.ubuntu.com quantal/universe Sources
  404  Not Found
Err http://ports.ubuntu.com quantal/main armhf Packages
  404  Not Found
Err http://ports.ubuntu.com quantal/universe armhf Packages
  404  Not Found
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/main/source/Sources  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/universe/source/Sources  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/main/binary-armhf/Packages  404  Not Found

W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/quantal/universe/binary-armhf/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.
root@master:/usr/local/src/mysql-5.0.85# vi /etc/apt/sources.list

deb http://ports.ubuntu.com/ubuntu-ports/ quantal main universe
deb-src http://ports.ubuntu.com/ubuntu-ports/ quantal main universe

-------------------------------조치사항------------------------------

1. /etc/apt/sources.list를 backup
  root@master:/usr/local# cp /etc/apt/sources.list /etc/apt/sources.list.bak

2. /etc/apt/sources.list에 아래의 내용을 추가함
  root@master:/usr/local# vi /etc/apt/sources.list

-----------------추가할 내용--------------

deb http://ports.ubuntu.com/ubuntu-ports/ quantal main universe
deb http://old-releases.ubuntu.com/ubuntu/ raring main universe restricted multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring main universe restricted multiverse

deb http://old-releases.ubuntu.com/ubuntu/ raring-security main universe restricted multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-security main universe restricted multiverse

deb http://old-releases.ubuntu.com/ubuntu/ raring-updates main universe restricted multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-updates main universe restricted multiverse

deb http://old-releases.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse

deb http://old-releases.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse

3. apt-get update수행

  root@master:/usr/local/src/mysql-5.0.85# apt-get update

Ign http://ppa.launchpad.net quantal InRelease                                 
Ign http://old-releases.ubuntu.com raring InRelease                            
Hit http://ppa.launchpad.net quantal Release.gpg
Ign http://old-releases.ubuntu.com raring-security InRelease
Hit http://ppa.launchpad.net quantal Release
Ign http://old-releases.ubuntu.com raring-updates InRelease
Hit http://ppa.launchpad.net quantal/main Sources
Ign http://old-releases.ubuntu.com raring-backports InRelease
Hit http://ppa.launchpad.net quantal/main armhf Packages
Ign http://old-releases.ubuntu.com raring-proposed InRelease
Get:1 http://old-releases.ubuntu.com raring Release.gpg [933 B]
Get:2 http://old-releases.ubuntu.com raring-security Release.gpg [933 B]
Get:3 http://old-releases.ubuntu.com raring-updates Release.gpg [933 B]
Get:4 http://old-releases.ubuntu.com raring-backports Release.gpg [933 B]
Get:5 http://old-releases.ubuntu.com raring-proposed Release.gpg [933 B]
Ign http://ppa.launchpad.net quantal/main Translation-en   
Get:6 http://old-releases.ubuntu.com raring Release [40.8 kB]
Get:7 http://old-releases.ubuntu.com raring-security Release [40.8 kB]
Get:8 http://old-releases.ubuntu.com raring-updates Release [40.8 kB]
Get:9 http://old-releases.ubuntu.com raring-backports Release [40.8 kB]
Get:10 http://old-releases.ubuntu.com raring-proposed Release [40.8 kB]
Get:11 http://old-releases.ubuntu.com raring/main Sources [963 kB]                                                                                                         
Get:12 http://old-releases.ubuntu.com raring/universe Sources [5837 kB]                                                                                                    
Get:13 http://old-releases.ubuntu.com raring/restricted Sources [5987 B]                                                                                                   
Get:14 http://old-releases.ubuntu.com raring/multiverse Sources [171 kB]                                                                                                   
Get:15 http://old-releases.ubuntu.com raring/main armhf Packages [1146 kB]                                                                                                 
Get:16 http://old-releases.ubuntu.com raring/universe armhf Packages [5254 kB]                                                                                             
Get:17 http://old-releases.ubuntu.com raring/restricted armhf Packages [1131 B]                                                                                            
Get:18 http://old-releases.ubuntu.com raring/multiverse armhf Packages [111 kB]                                                                                            
Get:19 http://old-releases.ubuntu.com raring/main Translation-en [673 kB]                                                                                                  
Get:20 http://old-releases.ubuntu.com raring/multiverse Translation-en [98.4 kB]                                                                                           
Get:21 http://old-releases.ubuntu.com raring/restricted Translation-en [2767 B]                                                                                            
Get:22 http://old-releases.ubuntu.com raring/universe Translation-en [3737 kB]                                                                                             
Get:23 http://old-releases.ubuntu.com raring-security/main Sources [58.3 kB]                                                                                               
Get:24 http://old-releases.ubuntu.com raring-security/universe Sources [14.3 kB]                                                                                           
Get:25 http://old-releases.ubuntu.com raring-security/restricted Sources [14 B]                                                                                            
Get:26 http://old-releases.ubuntu.com raring-security/multiverse Sources [2262 B]                                                                                          
Get:27 http://old-releases.ubuntu.com raring-security/main armhf Packages [154 kB]                                                                                         
Get:28 http://old-releases.ubuntu.com raring-security/universe armhf Packages [48.7 kB]                                                                                    
Get:29 http://old-releases.ubuntu.com raring-security/restricted armhf Packages [14 B]                                                                                     
Get:30 http://old-releases.ubuntu.com raring-security/multiverse armhf Packages [1318 B]                                                                                   
Get:31 http://old-releases.ubuntu.com raring-security/main Translation-en [79.9 kB]                                                                                        
Get:32 http://old-releases.ubuntu.com raring-security/multiverse Translation-en [1826 B]                                                                                   
Get:33 http://old-releases.ubuntu.com raring-security/restricted Translation-en [14 B]                                                                                     
Get:34 http://old-releases.ubuntu.com raring-security/universe Translation-en [32.1 kB]                                                                                    
Get:35 http://old-releases.ubuntu.com raring-updates/main Sources [90.4 kB]                                                                                                
Get:36 http://old-releases.ubuntu.com raring-updates/universe Sources [83.0 kB]                                                                                            
Get:37 http://old-releases.ubuntu.com raring-updates/restricted Sources [14 B]                                                                                             
Get:38 http://old-releases.ubuntu.com raring-updates/multiverse Sources [2797 B]                                                                                           
Get:39 http://old-releases.ubuntu.com raring-updates/main armhf Packages [220 kB]                                                                                          
Get:40 http://old-releases.ubuntu.com raring-updates/universe armhf Packages [164 kB]                                                                                      
Get:41 http://old-releases.ubuntu.com raring-updates/restricted armhf Packages [14 B]                                                                                      
Get:42 http://old-releases.ubuntu.com raring-updates/multiverse armhf Packages [2460 B]                                                                                    
Get:43 http://old-releases.ubuntu.com raring-updates/main Translation-en [108 kB]                                                                                          
Get:44 http://old-releases.ubuntu.com raring-updates/multiverse Translation-en [2212 B]                                                                                    
Get:45 http://old-releases.ubuntu.com raring-updates/restricted Translation-en [14 B]                                                                                      
Get:46 http://old-releases.ubuntu.com raring-updates/universe Translation-en [86.0 kB]                                                                                     
Get:47 http://old-releases.ubuntu.com raring-backports/main Sources [902 B]                                                                                                
Get:48 http://old-releases.ubuntu.com raring-backports/restricted Sources [14 B]                                                                                           
Get:49 http://old-releases.ubuntu.com raring-backports/universe Sources [7145 B]                                                                                           
Get:50 http://old-releases.ubuntu.com raring-backports/multiverse Sources [1403 B]                                                                                         
Get:51 http://old-releases.ubuntu.com raring-backports/main armhf Packages [558 B]                                                                                         
Get:52 http://old-releases.ubuntu.com raring-backports/restricted armhf Packages [14 B]                                                                                    
Get:53 http://old-releases.ubuntu.com raring-backports/universe armhf Packages [8118 B]                                                                                    
Get:54 http://old-releases.ubuntu.com raring-backports/multiverse armhf Packages [1051 B]                                                                                  
Get:55 http://old-releases.ubuntu.com raring-backports/main Translation-en [269 B]                                                                                         
Get:56 http://old-releases.ubuntu.com raring-backports/multiverse Translation-en [1040 B]                                                                                  
Get:57 http://old-releases.ubuntu.com raring-backports/restricted Translation-en [14 B]                                                                                    
Get:58 http://old-releases.ubuntu.com raring-backports/universe Translation-en [6390 B]                                                                                    
Get:59 http://old-releases.ubuntu.com raring-proposed/main Sources [13.1 kB]                                                                                               
Get:60 http://old-releases.ubuntu.com raring-proposed/restricted Sources [14 B]                                                                                            
Get:61 http://old-releases.ubuntu.com raring-proposed/universe Sources [19.7 kB]                                                                                           
Get:62 http://old-releases.ubuntu.com raring-proposed/multiverse Sources [14 B]                                                                                            
Get:63 http://old-releases.ubuntu.com raring-proposed/main armhf Packages [46.4 kB]                                                                                        
Get:64 http://old-releases.ubuntu.com raring-proposed/restricted armhf Packages [14 B]                                                                                     
Get:65 http://old-releases.ubuntu.com raring-proposed/universe armhf Packages [18.9 kB]                                                                                    
Get:66 http://old-releases.ubuntu.com raring-proposed/multiverse armhf Packages [14 B]                                                                                     
Get:67 http://old-releases.ubuntu.com raring-proposed/main Translation-en [20.5 kB]                                                                                        
Get:68 http://old-releases.ubuntu.com raring-proposed/multiverse Translation-en [14 B]                                                                                     
Get:69 http://old-releases.ubuntu.com raring-proposed/restricted Translation-en [14 B]                                                                                     
Get:70 http://old-releases.ubuntu.com raring-proposed/universe Translation-en [9622 B]                                                                                     
Fetched 19.5 MB in 1min 15s (258 kB/s)                                                                                                                                     
Reading package lists... Done

4. apt-get에 필요한 작업을 수행한다.