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Apt-Get Update:取得に失敗しました。どのソースにも接続できません

「apt-get update:failure to fetch」という質問がたくさんあることに気づきました(見つけることができたものすべてを読みました)が、現在の状況は12.04に固有であり、すべてのソースに影響します。ランチパッドだけではありません。さらに、ヨーロッパと米国のいくつかの異なるサーバーと「メインサーバー」(どこでも)を試しましたが、すべて同じ結果が得られました。ソフトウェアソースに接続できません。

さらに、私は問題が11.10-> 12.04からのアップグレードに起因することはかなり確信しています。

Update Managerからの更新は正常に機能し、問題なく(Mutter)をソフトウェアセンターからダウンロードできました。これにより、Ubuntuサーバーの一部のサブセット(ただし、その他のUbuntuサーバーの一部(エクストラなど)に接続できると思います)一部の正規サーバーは「接続不可」としてリストされています)。

Sudo apt-get updateからの出力は次のとおりです。

Sudo apt-get update
Ign http://ftp.u-picardie.fr precise InRelease
Ign http://archive.canonical.com precise InRelease                                                                        
Ign http://ftp.u-picardie.fr precise-updates InRelease                                                                    
Ign http://ftp.u-picardie.fr precise-backports InRelease                                                                  
Err http://ftp.u-picardie.fr precise-security InRelease                                                                    

Err http://ftp.u-picardie.fr precise Release.gpg                                                                           
  Unable to connect to ftp.u-picardie.fr:http:
Err http://ftp.u-picardie.fr precise-updates Release.gpg                                                                  
  Unable to connect to ftp.u-picardie.fr:http:
Err http://ftp.u-picardie.fr precise-backports Release.gpg                                                                
  Unable to connect to ftp.u-picardie.fr:http:
Err http://ftp.u-picardie.fr precise-security Release.gpg                                                                 
  Unable to connect to ftp.u-picardie.fr:http:
Hit http://archive.canonical.com precise Release.gpg                                                                      
Hit http://archive.canonical.com precise Release                                                                          
Hit http://archive.canonical.com precise/partner i386 Packages                                                              
Ign http://archive.canonical.com precise/partner TranslationIndex                                    
Ign http://dl.google.com stable InRelease                                                            
Ign http://dl.google.com stable InRelease                                                    
Err http://archive.canonical.com precise/partner Translation-en_US                           
  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]
Err http://archive.canonical.com precise/partner Translation-en                              
  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]
Ign http://extras.ubuntu.com precise InRelease                                               
Get:1 http://dl.google.com stable Release.gpg [198 B]                                        
Err http://extras.ubuntu.com precise Release.gpg                                      
  Could not connect to extras.ubuntu.com:80 (91.189.88.33). - connect (111: Connection refused)
Ign http://ppa.launchpad.net precise InRelease                                        
Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Err http://ppa.launchpad.net precise InRelease                             

Get:2 http://dl.google.com stable Release.gpg [198 B]                      
Err http://ppa.launchpad.net precise Release.gpg                           
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Err http://ppa.launchpad.net precise Release.gpg
  Unable to connect to ppa.launchpad.net:http:
Get:3 http://dl.google.com stable Release [1,347 B]
Get:4 http://dl.google.com stable Release [1,347 B]
Get:5 http://dl.google.com stable/main i386 Packages [1,268 B]
Ign http://dl.google.com stable/main TranslationIndex
Get:6 http://dl.google.com stable/main i386 Packages [769 B]
Ign http://dl.google.com stable/main TranslationIndex
Ign http://dl.google.com stable/main Translation-en_US                                                                                 
Ign http://dl.google.com stable/main Translation-en                                                                                    
Ign http://dl.google.com stable/main Translation-en_US                                                                                 
Ign http://dl.google.com stable/main Translation-en                                                                                    
Fetched 5,127 B in 7s (673 B/s)                                                                                                        
Reading package lists... Done
W: Failed to fetch http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/dists/precise-security/InRelease  

W: Failed to fetch http://ppa.launchpad.net/elementary-os/stable/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/elementaryart/elementary-dev/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/midori/ppa/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/nemequ/sqlheavy/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/ricotz/docky/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/sgringwe/beatbox/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ppa.launchpad.net/yorba/ppa/ubuntu/dists/precise/InRelease  

W: Failed to fetch http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/dists/precise/Release.gpg  Unable to connect to ftp.u-picardie.fr:http:

W: Failed to fetch http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/dists/precise-updates/Release.gpg  Unable to connect to ftp.u-picardie.fr:http:

W: Failed to fetch http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/dists/precise-backports/Release.gpg  Unable to connect to ftp.u-picardie.fr:http:

W: Failed to fetch http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/dists/precise-security/Release.gpg  Unable to connect to ftp.u-picardie.fr:http:

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/partner/i18n/Translation-en_US  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/partner/i18n/Translation-en  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/Release.gpg  Could not connect to extras.ubuntu.com:80 (91.189.88.33). - connect (111: Connection refused)

W: Failed to fetch http://ppa.launchpad.net/caffeine-developers/ppa/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/elementary-os/stable/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/elementaryart/elementary-dev/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/midori/ppa/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/nemequ/sqlheavy/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/ricotz/docky/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/sgringwe/beatbox/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Failed to fetch http://ppa.launchpad.net/yorba/ppa/ubuntu/dists/precise/Release.gpg  Unable to connect to ppa.launchpad.net:http:

W: Some index files failed to download. They have been ignored, or old ones used instead.
W: Duplicate sources.list entry http://ppa.launchpad.net/nemequ/sqlheavy/ubuntu/ precise/main i386 Packages (/var/lib/apt/lists/ppa.launchpad.net_nemequ_sqlheavy_ubuntu_dists_precise_main_binary-i386_Packages)
W: Duplicate sources.list entry http://ppa.launchpad.net/sgringwe/beatbox/ubuntu/ precise/main i386 Packages (/var/lib/apt/lists/ppa.launchpad.net_sgringwe_beatbox_ubuntu_dists_precise_main_binary-i386_Packages)

/etc/apt/sources.list:の内容

# deb cdrom:[Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012)]/ oneiric main restricted
deb-src http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise main restricted #Added by software-properties

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise main restricted
deb-src http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise multiverse universe #Added by software-properties

## Major bug fix updates produced after the final release of the
## distribution.
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-updates main restricted
deb-src http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-updates restricted main multiverse universe #Added by software-properties

## 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.u-picardie.fr/mirror/ubuntu/ubuntu/ precise universe
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-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.u-picardie.fr/mirror/ubuntu/ubuntu/ precise multiverse
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-updates multiverse

## 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://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-backports main restricted universe multiverse #Added by software-properties

deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-security main restricted
deb-src http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-security restricted main multiverse universe #Added by software-properties
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-security universe
deb http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu/ precise-security 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 oneiric partner
# deb-src http://archive.canonical.com/ubuntu oneiric partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu precise main
deb-src http://extras.ubuntu.com/ubuntu precise main

代替sources.listファイルのテスト

これらは、次の出力を生成するために従った手順です。

  1. Sources.listをバックアップしてください:Sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

  2. /etc/apt/sources.listの内容を以下の行に置き換えて、apt-get updateを実行します。

deb http://archive.ubuntu.com/ubuntu/正確なメイン制限ユニバースmultiverse 
 deb http://archive.ubuntu.com/ubuntu/ precise-updatesメイン制限ユニバースmultiverse 
 deb http ://archive.ubuntu.com/ubuntu/ precise-backportsメイン制限ユニバースmultiverse 
 deb http://security.ubuntu.com/ubuntu precise-securityメイン制限ユニバースmultiverse 
 deb http: //archive.canonical.com/ubuntu正確なパートナー
 deb http://extras.ubuntu.com/ubuntu正確なメイン 

出力:

someone@someone-UBook:~$ Sudo apt-get update
Ign http://archive.canonical.com precise InRelease
Hit http://archive.canonical.com precise Release.gpg                           
Hit http://archive.canonical.com precise Release                               
Ign http://archive.ubuntu.com precise InRelease                                
Ign http://extras.ubuntu.com precise InRelease                                 
Ign http://archive.ubuntu.com precise-updates InRelease                        
Hit http://archive.canonical.com precise/partner i386 Packages                 
Hit http://extras.ubuntu.com precise Release.gpg                               
Ign http://archive.ubuntu.com precise-backports InRelease                      
Ign http://archive.canonical.com precise/partner TranslationIndex              
Err http://archive.canonical.com precise/partner Translation-en_US             
  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]
Err http://archive.canonical.com precise/partner Translation-en                
  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]
Hit http://extras.ubuntu.com precise Release                                   
Get:1 http://archive.ubuntu.com precise Release.gpg [198 B]                    
Ign http://dl.google.com stable InRelease                                      
Err http://dl.google.com stable InRelease                                      

Err http://dl.google.com stable Release.gpg                                    
  Unable to connect to dl.google.com:http: [IP: 173.194.34.38 80]
Err http://dl.google.com stable Release.gpg                                    
  Unable to connect to dl.google.com:http: [IP: 173.194.34.38 80]
Get:2 http://archive.ubuntu.com precise-updates Release.gpg [198 B]            
Hit http://extras.ubuntu.com precise/main i386 Packages                        
Get:3 http://archive.ubuntu.com precise-backports Release.gpg [198 B]          
Ign http://security.ubuntu.com precise-security InRelease                      
Ign http://extras.ubuntu.com precise/main TranslationIndex                     
Err http://extras.ubuntu.com precise/main Translation-en_US                    
  Unable to connect to extras.ubuntu.com:http:
Err http://extras.ubuntu.com precise/main Translation-en                       
  Unable to connect to extras.ubuntu.com:http:
Get:4 http://security.ubuntu.com precise-security Release.gpg [198 B]          
Get:5 http://archive.ubuntu.com precise Release [49.6 kB]                      
Get:6 http://security.ubuntu.com precise-security Release [49.6 kB]            
Get:7 http://archive.ubuntu.com precise-updates Release [49.6 kB]              
Get:8 http://archive.ubuntu.com precise-backports Release [49.6 kB]            
Get:9 http://security.ubuntu.com precise-security/main i386 Packages [32.9 kB] 
Get:10 http://archive.ubuntu.com precise/main i386 Packages [1,274 kB]         
Get:11 http://security.ubuntu.com precise-security/restricted i386 Packages [14 B]
Get:12 http://security.ubuntu.com precise-security/universe i386 Packages [8,594 B]
Get:13 http://security.ubuntu.com precise-security/multiverse i386 Packages [1,393 B]
Get:14 http://security.ubuntu.com precise-security/main TranslationIndex [73 B]
Get:15 http://security.ubuntu.com precise-security/multiverse TranslationIndex [71 B]
Get:16 http://security.ubuntu.com precise-security/restricted TranslationIndex [70 B]
Get:17 http://security.ubuntu.com precise-security/universe TranslationIndex [72 B]
Get:18 http://security.ubuntu.com precise-security/main Translation-en [13.6 kB]
Get:19 http://security.ubuntu.com precise-security/multiverse Translation-en [587 B]
Get:20 http://security.ubuntu.com precise-security/restricted Translation-en [14 B]
Get:21 http://security.ubuntu.com precise-security/universe Translation-en [6,261 B]
Get:22 http://archive.ubuntu.com precise/restricted i386 Packages [8,431 B]    
Get:23 http://archive.ubuntu.com precise/universe i386 Packages [4,796 kB]     
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease
Ign http://ppa.launchpad.net precise InRelease
Ign http://ppa.launchpad.net precise InRelease
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Ign http://ppa.launchpad.net precise InRelease                                 
Get:24 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Get:25 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Get:26 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Ign http://ppa.launchpad.net precise Release.gpg                               
Get:27 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Hit http://ppa.launchpad.net precise Release.gpg                               
Get:28 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Get:29 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Hit http://ppa.launchpad.net precise Release.gpg                               
Get:30 http://ppa.launchpad.net precise Release.gpg [316 B]                    
Hit http://ppa.launchpad.net precise Release.gpg                               
Get:31 http://ppa.launchpad.net precise Release [11.9 kB]                      
Get:32 http://ppa.launchpad.net precise Release [11.9 kB]                      
Get:33 http://archive.ubuntu.com precise/multiverse i386 Packages [121 kB]     
Get:34 http://ppa.launchpad.net precise Release [11.9 kB]                      
Ign http://ppa.launchpad.net precise Release                                   
Get:35 http://ppa.launchpad.net precise Release [11.9 kB]                      
Hit http://archive.ubuntu.com precise/main TranslationIndex                    
Hit http://archive.ubuntu.com precise/multiverse TranslationIndex              
Hit http://ppa.launchpad.net precise Release                            
Hit http://archive.ubuntu.com precise/restricted TranslationIndex              
Get:36 http://ppa.launchpad.net precise Release [11.9 kB]                      
Hit http://archive.ubuntu.com precise/universe TranslationIndex                
Get:37 http://ppa.launchpad.net precise Release [11.9 kB]                      
Get:38 http://archive.ubuntu.com precise-updates/main i386 Packages [96.5 kB]  
Hit http://ppa.launchpad.net precise Release                                   
Get:39 http://ppa.launchpad.net precise Release [11.9 kB]                      
Get:40 http://archive.ubuntu.com precise-updates/restricted i386 Packages [770 B]
Hit http://ppa.launchpad.net precise Release                                   
Get:41 http://archive.ubuntu.com precise-updates/universe i386 Packages [27.7 kB]
Get:42 http://ppa.launchpad.net precise/main Sources [524 B]                   
Get:43 http://archive.ubuntu.com precise-updates/multiverse i386 Packages [1,393 B]
Get:44 http://ppa.launchpad.net precise/main i386 Packages [507 B]      
Hit http://archive.ubuntu.com precise-updates/main TranslationIndex     
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise-updates/multiverse TranslationIndex      
Hit http://archive.ubuntu.com precise-updates/restricted TranslationIndex      
Get:45 http://ppa.launchpad.net precise/main Sources [932 B]            
Hit http://archive.ubuntu.com precise-updates/universe TranslationIndex 
Get:46 http://ppa.launchpad.net precise/main i386 Packages [1,017 B]    
Get:47 http://archive.ubuntu.com precise-backports/main i386 Packages [559 B]  
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Get:48 http://archive.ubuntu.com precise-backports/restricted i386 Packages [14 B]
Get:49 http://archive.ubuntu.com precise-backports/universe i386 Packages [1,391 B]
Get:50 http://ppa.launchpad.net precise/main Sources [1,402 B]          
Get:51 http://archive.ubuntu.com precise-backports/multiverse i386 Packages [14 B]
Hit http://archive.ubuntu.com precise-backports/main TranslationIndex   
Get:52 http://ppa.launchpad.net precise/main i386 Packages [1,605 B]    
Hit http://archive.ubuntu.com precise-backports/multiverse TranslationIndex
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise-backports/restricted TranslationIndex    
Hit http://archive.ubuntu.com precise-backports/universe TranslationIndex      
Hit http://archive.ubuntu.com precise/main Translation-en               
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise/multiverse Translation-en                
Get:53 http://ppa.launchpad.net precise/main Sources [931 B]                   
Hit http://archive.ubuntu.com precise/restricted Translation-en         
Get:54 http://ppa.launchpad.net precise/main i386 Packages [1,079 B]           
Hit http://archive.ubuntu.com precise/universe Translation-en                  
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise-updates/main Translation-en              
Hit http://ppa.launchpad.net precise/main Sources                              
Hit http://archive.ubuntu.com precise-updates/multiverse Translation-en 
Hit http://ppa.launchpad.net precise/main i386 Packages                 
Hit http://archive.ubuntu.com precise-updates/restricted Translation-en 
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise-updates/universe Translation-en          
Get:55 http://ppa.launchpad.net precise/main Sources [3,611 B]                 
Hit http://archive.ubuntu.com precise-backports/main Translation-en            
Get:56 http://ppa.launchpad.net precise/main i386 Packages [2,468 B]    
Hit http://archive.ubuntu.com precise-backports/multiverse Translation-en      
Ign http://ppa.launchpad.net precise/main TranslationIndex              
Hit http://archive.ubuntu.com precise-backports/restricted Translation-en      
Hit http://archive.ubuntu.com precise-backports/universe Translation-en        
Get:57 http://ppa.launchpad.net precise/main Sources [1,524 B]                 
Get:58 http://ppa.launchpad.net precise/main i386 Packages [2,719 B]           
Ign http://ppa.launchpad.net precise/main TranslationIndex                     
Hit http://ppa.launchpad.net precise/main Sources                              
Hit http://ppa.launchpad.net precise/main i386 Packages                        
Ign http://ppa.launchpad.net precise/main TranslationIndex                     
Get:59 http://ppa.launchpad.net precise/main Sources [1,052 B]                 
Get:60 http://ppa.launchpad.net precise/main i386 Packages [1,388 B]           
Ign http://ppa.launchpad.net precise/main TranslationIndex                     
Get:61 http://ppa.launchpad.net precise/main Sources [1,185 B]                 
Get:62 http://ppa.launchpad.net precise/main i386 Packages [1,698 B]           
Ign http://ppa.launchpad.net precise/main TranslationIndex                     
Err http://ppa.launchpad.net precise/main Sources                              
  404  Not Found
Err http://ppa.launchpad.net precise/main i386 Packages                        
  404  Not Found
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Ign http://ppa.launchpad.net precise/main Translation-en_US                    
Ign http://ppa.launchpad.net precise/main Translation-en                       
Fetched 6,699 kB in 15s (445 kB/s)                                             
Reading package lists... Done
W: Failed to fetch http://dl.google.com/linux/talkplugin/deb/dists/stable/InRelease  

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/partner/i18n/Translation-en_US  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/partner/i18n/Translation-en  Unable to connect to archive.canonical.com:http: [IP: 91.189.92.150 80]

W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/sta
21
weberc2

私はちょうど答えを見つけました こちら 。明らかにaptは非常に多くのソフトウェアソースを処理できないため、アクセスする必要のあるものを除くすべての選択を解除することで問題を解決できました。これは頻繁に行うのは本当に苦痛ですが、何もしないよりはましです。サイトから:

[その他のソフトウェア]タブから、すべてのPPAリポジトリを無効にし、公式のUbuntuリポジトリのみをアクティブのままにします。あまりにも多くのPPAリポジトリ(非公式)を有効にすると、パッケージマネージャーが不安定になる可能性があります。

6
weberc2

はい、ネームサーバーの更新は機能します。機能する場合は、おそらくIP設定を静的に更新しているため、サーバーはURLを解決できません。

上記を試してみて、動作する場合は再起動してください。再起動後に失敗した場合は、次を実行します。

resolv.confのテンプレートファイルを編集します。 Ubuntuサーバーは、起動するたびにこれを再構築します。

Sudo vi /etc/resolvconf/resolv.conf.d/tail

#add just these two lines >>
nameserver 8.8.8.8
nameserver 8.8.4.4  

次に、ファイルを保存してサービスを再起動します。

Sudo /etc/init.d/resolvconf restart

8.8.8.88.8.4.4は、単なるGoogleのネームサーバーです。必要に応じて、独自のISPを追加できるはずです。 viが気に入らない場合は、nanoまたはvimを使用してください。

私はこれを読んでそれを考え出した 記事 。だからヒントを彼らに信用してください。

22
RichardK

nameserver 8.8.8.8/etc/resolv.confに追加します。

これにより、DNSの問題に備えて、代替DNSサーバー(Googleが実行するパブリックDNSサーバー)が設定されます。これは、同一ではありませんが、 この他の回答 (後で投稿され、本質的に同じ再構成のための異なる方法を提供します)に似ています。

3
ruaan

これは、anon_proxyなどの一部のプロキシパッケージが原因で、環境変数を使用してすべてのHTTP接続をローカルプロキシ経由で渡します。したがって、この編集を変更するには、/ etc/environmentを編集し、最後の2行でHTTP_PROXYとhttp_proxyをコメント化します。

2
m.alaa8