W: 无法下载 bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_main_source_Sources

1 错误描述

youhaidong@youhaidong:~$ cd 下载
youhaidong@youhaidong:~/下载$ sudo apt-get update
忽略 http://cn.archive.ubuntu.com trusty InRelease
忽略 http://cn.archive.ubuntu.com trusty-updates InRelease                     
忽略 http://cn.archive.ubuntu.com trusty-backports InRelease                   
命中 http://cn.archive.ubuntu.com trusty Release.gpg                           
命中 http://cn.archive.ubuntu.com trusty-updates Release.gpg                   
命中 http://cn.archive.ubuntu.com trusty-backports Release.gpg                 
命中 http://cn.archive.ubuntu.com trusty Release                               
命中 http://cn.archive.ubuntu.com trusty-updates Release                       
命中 http://cn.archive.ubuntu.com trusty-backports Release                     
命中 http://cn.archive.ubuntu.com trusty/main Sources                          
命中 http://cn.archive.ubuntu.com trusty/restricted Sources                    
忽略 http://extras.ubuntu.com trusty InRelease                            
命中 http://cn.archive.ubuntu.com trusty/universe Sources                 
命中 http://cn.archive.ubuntu.com trusty/multiverse Sources               
命中 http://cn.archive.ubuntu.com trusty/main amd64 Packages
命中 http://cn.archive.ubuntu.com trusty/restricted amd64 Packages
命中 http://cn.archive.ubuntu.com trusty/universe amd64 Packages
命中 http://cn.archive.ubuntu.com trusty/multiverse amd64 Packages
命中 http://extras.ubuntu.com trusty Release.gpg
命中 http://cn.archive.ubuntu.com trusty/main i386 Packages
忽略 http://security.ubuntu.com trusty-security InRelease
命中 http://cn.archive.ubuntu.com trusty/restricted i386 Packages
命中 http://cn.archive.ubuntu.com trusty/universe i386 Packages
命中 http://cn.archive.ubuntu.com trusty/multiverse i386 Packages
命中 http://cn.archive.ubuntu.com trusty/main Translation-zh_CN   
命中 http://extras.ubuntu.com trusty Release                      
获取：1 http://extras.ubuntu.com trusty/main Sources [1,064 kB]     
命中 http://cn.archive.ubuntu.com trusty/main Translation-en                   
命中 http://cn.archive.ubuntu.com trusty/multiverse Translation-zh_CN          
命中 http://cn.archive.ubuntu.com trusty/multiverse Translation-en             
命中 http://cn.archive.ubuntu.com trusty/restricted Translation-zh_CN          
命中 http://cn.archive.ubuntu.com trusty/restricted Translation-en             
命中 http://cn.archive.ubuntu.com trusty/universe Translation-zh_CN            
命中 http://security.ubuntu.com trusty-security Release.gpg                    
命中 http://cn.archive.ubuntu.com trusty/universe Translation-en               
命中 http://cn.archive.ubuntu.com trusty-updates/main Sources                  
获取：2 http://extras.ubuntu.com trusty/main i386 Packages [1,348 kB]          
命中 http://cn.archive.ubuntu.com trusty-updates/restricted Sources            
命中 http://cn.archive.ubuntu.com trusty-updates/universe Sources              
命中 http://cn.archive.ubuntu.com trusty-updates/multiverse Sources            
命中 http://cn.archive.ubuntu.com trusty-updates/main amd64 Packages           
命中 http://security.ubuntu.com trusty-security Release                        
命中 http://cn.archive.ubuntu.com trusty-updates/restricted amd64 Packages     
命中 http://cn.archive.ubuntu.com trusty-updates/universe amd64 Packages       
命中 http://cn.archive.ubuntu.com trusty-updates/multiverse amd64 Packages     
命中 http://cn.archive.ubuntu.com trusty-updates/main i386 Packages            
命中 http://cn.archive.ubuntu.com trusty-updates/restricted i386 Packages      
命中 http://cn.archive.ubuntu.com trusty-updates/universe i386 Packages        
命中 http://cn.archive.ubuntu.com trusty-updates/multiverse i386 Packages      
命中 http://cn.archive.ubuntu.com trusty-updates/main Translation-en           
命中 http://cn.archive.ubuntu.com trusty-updates/multiverse Translation-en     
命中 http://cn.archive.ubuntu.com trusty-updates/restricted Translation-en     
命中 http://cn.archive.ubuntu.com trusty-updates/universe Translation-en       
命中 http://cn.archive.ubuntu.com trusty-backports/main Sources                
命中 http://cn.archive.ubuntu.com trusty-backports/restricted Sources          
命中 http://extras.ubuntu.com trusty/main Translation-en                       
命中 http://cn.archive.ubuntu.com trusty-backports/universe Sources            
命中 http://cn.archive.ubuntu.com trusty-backports/multiverse Sources          
命中 http://cn.archive.ubuntu.com trusty-backports/main amd64 Packages         
命中 http://cn.archive.ubuntu.com trusty-backports/restricted amd64 Packages   
命中 http://cn.archive.ubuntu.com trusty-backports/universe amd64 Packages     
命中 http://security.ubuntu.com trusty-security/main Sources                   
命中 http://cn.archive.ubuntu.com trusty-backports/multiverse amd64 Packages   
命中 http://cn.archive.ubuntu.com trusty-backports/main i386 Packages
命中 http://cn.archive.ubuntu.com trusty-backports/restricted i386 Packages
命中 http://cn.archive.ubuntu.com trusty-backports/universe i386 Packages
命中 http://cn.archive.ubuntu.com trusty-backports/multiverse i386 Packages
命中 http://cn.archive.ubuntu.com trusty-backports/main Translation-en         
命中 http://security.ubuntu.com trusty-security/restricted Sources             
命中 http://cn.archive.ubuntu.com trusty-backports/multiverse Translation-en
命中 http://cn.archive.ubuntu.com trusty-backports/restricted Translation-en
命中 http://cn.archive.ubuntu.com trusty-backports/universe Translation-en
命中 http://security.ubuntu.com trusty-security/universe Sources   
命中 http://security.ubuntu.com trusty-security/multiverse Sources             
命中 http://security.ubuntu.com trusty-security/main amd64 Packages            
忽略 http://cn.archive.ubuntu.com trusty/main Translation-zh                   
忽略 http://cn.archive.ubuntu.com trusty/multiverse Translation-zh             
忽略 http://cn.archive.ubuntu.com trusty/restricted Translation-zh             
忽略 http://cn.archive.ubuntu.com trusty/universe Translation-zh               
命中 http://security.ubuntu.com trusty-security/restricted amd64 Packages      
命中 http://security.ubuntu.com trusty-security/universe amd64 Packages        
命中 http://security.ubuntu.com trusty-security/multiverse amd64 Packages
忽略 http://extras.ubuntu.com trusty/main Translation-zh           
命中 http://security.ubuntu.com trusty-security/main i386 Packages
命中 http://security.ubuntu.com trusty-security/restricted i386 Packages
命中 http://security.ubuntu.com trusty-security/universe i386 Packages         
命中 http://security.ubuntu.com trusty-security/multiverse i386 Packages       
命中 http://security.ubuntu.com trusty-security/main Translation-en            
获取：3 http://extras.ubuntu.com trusty/main amd64 Packages [1,350 kB]         
命中 http://security.ubuntu.com trusty-security/multiverse Translation-en      
命中 http://security.ubuntu.com trusty-security/restricted Translation-en      
命中 http://security.ubuntu.com trusty-security/universe Translation-en        
忽略 http://extras.ubuntu.com trusty/main Translation-zh_CN                    
下载 1,064 kB，耗时 8秒 (127 kB/s)                                             
W: 无法下载 bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_main_source_Sources  Hash 校验和不符

W: 无法下载 bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_main_binary-amd64_Packages  Hash 校验和不符

W: 无法下载 bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_main_binary-i386_Packages  Hash 校验和不符

E: Some index files failed to download. They have been ignored, or old ones used instead.

2 错误原因

3 解决办法