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mece1390
Asked: 2014-06-24 07:09:40 +0800 CST

problem with installing apps and updating software sources

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When I have try to install new software through terminal such as: 

sudo apt-get install nethogs

I get the following error:

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

When I try to use --fix-missing argument after apt-get it showed to me that could not fetch the sources.

When I use sudo apt-get update it cannot gather software sources and many of it ignored and have error.

Ign http://security.ubuntu.com trusty-security InRelease
Ign http://extras.ubuntu.com trusty InRelease 
Ign http://download.mendeley.com stable InRelease                
Ign http://archive.canonical.com trusty InRelease                              
Ign http://ir.archive.ubuntu.com trusty InRelease                
Err http://security.ubuntu.com trusty-security Release.gpg     
Connection failed [IP: 91.189.91.15 80]
Err http://download.mendeley.com stable Release.gpg
Connection failed [IP: 54.230.172.66 80]
Err http://extras.ubuntu.com trusty Release.gpg
Connection failed
Ign http://archive.canonical.com trusty InRelease
Ign http://ir.archive.ubuntu.com trusty-updates InRelease
Ign http://security.ubuntu.com trusty-security Release        
Ign http://extras.ubuntu.com trusty Release
Ign http://ir.archive.ubuntu.com trusty-backports InRelease
Err http://archive.canonical.com trusty Release.gpg
Connection failed [IP: 91.189.92.150 80]
Ign http://download.mendeley.com stable Release
Ign http://security.ubuntu.com trusty-security/main Sources/DiffIndex
Ign http://download.mendeley.com stable/main amd64 Packages/DiffIndex
Ign http://extras.ubuntu.com trusty/main Sources/DiffIndex
Err http://archive.canonical.com trusty Release.gpg
Connection failed [IP: 91.189.92.150 80]
Err http://ir.archive.ubuntu.com trusty Release.gpg
Connection failed
Ign http://security.ubuntu.com trusty-security/restricted Sources/DiffIndex
Ign http://download.mendeley.com stable/main i386 Packages/DiffIndex    
Err http://ir.archive.ubuntu.com trusty-updates Release.gpg      
Connection failed
Ign http://extras.ubuntu.com trusty/main amd64 Packages/DiffIndex        
Ign http://archive.canonical.com trusty Release               
Ign http://security.ubuntu.com trusty-security/universe Sources/DiffIndex
Ign http://archive.canonical.com trusty Release             
Ign http://extras.ubuntu.com trusty/main i386 Packages/DiffIndex
Err http://ir.archive.ubuntu.com trusty-backports Release.gpg
Connection failed
Ign http://security.ubuntu.com trusty-security/multiverse Sources/DiffIndex
Ign http://ir.archive.ubuntu.com trusty Release
Ign http://security.ubuntu.com trusty-security/main amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty-updates Release
Ign http://security.ubuntu.com trusty-security/restricted amd64 Packages/DiffIndex
Ign http://archive.canonical.com trusty/partner amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty-backports Release
Ign http://security.ubuntu.com trusty-security/universe amd64 Packages/DiffIndex
Ign http://archive.canonical.com trusty/partner i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/main Sources/DiffIndex
Ign http://security.ubuntu.com trusty-security/multiverse amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/restricted Sources/DiffIndex
Ign http://security.ubuntu.com trusty-security/main i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/universe Sources/DiffIndex
Ign http://security.ubuntu.com trusty-security/restricted i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/multiverse Sources/DiffIndex
Ign http://security.ubuntu.com trusty-security/universe i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/main amd64 Packages/DiffIndex  
Ign http://security.ubuntu.com trusty-security/multiverse i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/restricted amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/universe amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/multiverse amd64 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/main i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/restricted i386 Packages/DiffIndex
Ign http://ir.archive.ubuntu.com trusty/universe i386 Packages/DiffIndex

I have read this thread. I have removed ubuntu-extras-keyring but I could not install it again.

I think may be a problem with my internet connection but when I ping 4.2.2.4 it works correctly and I can browse the internet without any problem.

I cannot install any software or update software sources.

apt

1 Answers

    1. Download ubuntu-extras-keyring then install it. From:

      http://packages.ubuntu.com/trusty/all/ubuntu-extras-keyring/download

    2. Then change download mirror (See Download From: drop list), using: 

      sudo software-properties-gtk

      As mentioned in the answer with higher votes, 'Some index files failed to download' while updating

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