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After installing Ubuntu 12.04, I tried to update, but I got the following:

student@student-25:~$ sudo apt-get update && sudo apt-get upgrade
Ign cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423) precise InRelease
Ign cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423) precise/main TranslationIndex
Ign cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423) precise/restricted TranslationIndex
Ign cdrom://Ubuntu 12.04 LTS _Precise Pangolin_ - Release i38Translation-en
Ign http://extras.ubuntu.com precise InRelease                                 
Err http://extras.ubuntu.com precise Release.gpg                               
  Unable to connect to extras.ubuntu.com:http:

Help?

ish
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bell
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2 Answers2

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Sometimes there will be a temporary server down too . I am suggesting you to change your server to Best server or update your system after sometime.

To change the server Open `Update Manager > Settings > Ubuntu Software > Download from:`

that option will hold the server option . choose a best server and try again .

Raja G
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It's usually a good idea to change a server that isn't responding to one in the same general area. For example, I was using lug.bu.edu (Boston University) and it was giving me some problems. I changed it (in Synaptic) mirrors.mit.edu/ubuntu and all was smooth sailing. Bear in mind that you can almost always use the main server if a nearby mirror isn't working.

oldrocker99
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