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I've been trying for days now to install Eclipse on Ubuntu 10.10 but it never works. if I double click on Eclipse icon, it does nothing. I've tried to change permission and applying methods I found but none of them works. Also Software Center is not downloading or installing anything.
It shows errors similar to this one:

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/maverick-backports/multiverse/binary-i386/Packages.gz  404  Not Found [IP: 80]
E: Some index files failed to download, they have been ignored, or old ones used instead.


E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
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@Aditya Maybe not. If it's really 10.04, the problem is wrong repos. (Btw, 10.04 is still supported, even on the desktop. So if this turns out not to be a dupe of that, we can definitely still answer it.) Aqsa Akbar: You said you're running 10.04. But you have maverick-backports enabled. Maverick is 10.10. If you meant you're running 10.10, please let us know--that means this is a duplicate of that question. Otherwise, you should fix your mixed repositories; if you're running 10.04, please provide the output of lsb_release -a and cat /etc/apt/sources.list (edit your question). –  Eliah Kagan Apr 6 '13 at 16:41
ooops i have 10.10... –  Aqsa Akbar Apr 11 '13 at 20:02
@eliah i checked that solution. i ran the commands and it gives these errors.. W: Failed to fetch security.ubuntu.com/ubuntu/dists/maverick-security/universe/… 404 Not Found [IP: 80] E: Some index files failed to download, they have been ignored, or old ones used instead. –  Aqsa Akbar Apr 11 '13 at 20:19
The problem is that you have only incompletely followed the instructions at How to install software or upgrade from old unsupported release? (which this can now be closed as a duplicate of). You have to replace http://security.ubuntu.com/ubuntu with http://old-releases.ubuntu.com/ubuntu, too. For example, if you're following that answer, make sure to do step 5. –  Eliah Kagan Apr 12 '13 at 1:53
i did everything that post said but it still isn't working... –  Aqsa Akbar Apr 13 '13 at 15:21

1 Answer 1

Maverick is no longer supported, so the packages were moved to old-releases.ubuntu.com. Please upgrade to a newer version or modify your sources.list

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Modifying the sources.list will fetch newer files for eclipse on an older Ubuntu, which is not recommended. –  i08in Apr 6 '13 at 14:21
I meant pointing to old-releases.ubuntu.com, not changing from maverick to natty/oneiric/precise/quantal/raring. –  Dennis Kaarsemaker Apr 6 '13 at 14:22
The asker said he has 10.04 Lucid Linx which is an LTS edition, and still in support until the end of this month AFAIK. –  Yekhezkel Yovel Apr 6 '13 at 15:09
Oh, missed that. Then they messed up their system already as it has maverick repositories enabled! –  Dennis Kaarsemaker Apr 6 '13 at 15:13
@YekhezkelYovel Actually, a bit longer--through May 9th. (See the official announcement for details.) Even after that, lucid repositories won't go to the old-release server for years, though, because 10.04 LTS will remain supported on the server platform--so long as no community-maintained or GUI-related packages are used--through April 2015. (So far, LTS releases have been supported significantly longer for such server use.) –  Eliah Kagan Apr 6 '13 at 16:46

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