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When I try to update in Ubuntu 11.04 after installation, I get the following error

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

I tried the following command still the same error

sudo rm /var/lib/apt/lists/* -vf
sudo apt-get update

Please help me.

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Show the full output of update. –  enzotib Sep 19 '11 at 13:26
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closed as too localized by Stefano Palazzo Jan 4 '12 at 11:56

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2 Answers

up vote 0 down vote accepted

Proxy problem. Permissions to download the package weren't there.

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exactly check if you have /etc/apt/source.list file over there. if it is, open it and check its structure.

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checked it is not opened. –  Deepak Rajput Sep 20 '11 at 4:22
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