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root@server1:~# apt-get update
Err lucid Release.gpg
  Temporary failure resolving ''
0% [Connecting to]

I can't get it work, any issues? I use Ubuntu 10.04.

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First, 10.04 is almost end of life and won't be supported anymore soon. It is recommended you upgrade. Second, are you sure your internet works? This doesn't appear to be an apt problem... – Seth Mar 29 '13 at 21:52
Yes, and how do I update? – Filip Sissonen Mar 29 '13 at 21:57
You would do a fresh install. 10.04 is really old. – Seth Mar 29 '13 at 21:58

First comment:

While Ubuntu 10.04.4 LTS (Lucid Lynx) Server is still under support, until April 2015, you need to be planning when you transition to 12.04 LTS.

Your current problem:

This appears to be a 'temporary' issue. You should retry the next day.

Do you have the server configured to automatically receive security updates?

When did you last 'manually' (and successfully) get updates?

Possible causes:

You may be experiencing issues with the GPG key for Lucid 'backports' and/or other outdated content. A less 'aggressive' configuration, less extra packages and other add-on elements, may be more stable and generally succeed.

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Actually, they moved support for 10.04 desktop to May... See: – Seth Mar 29 '13 at 22:02
I have bought this from one company, they support CentOS and ubuntu x86 10.04, I really need help thanks! – Filip Sissonen Mar 29 '13 at 22:05
@Seth: I have assumed 'Server', not 'Desktop'. – david6 Mar 29 '13 at 22:16
@david6 No, desktop. – Seth Mar 29 '13 at 22:17
I use server, not desktop. – Filip Sissonen Mar 29 '13 at 22:17

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