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Reading package lists ... Error! 
E: Encountered a section with no Package: header 
E: Problem with MergeList / var/lib/apt/lists/www.beerorkid.com_compiz_dists_dapper_main-amd64_binary-i386_Packages 
E: Could not parse or open package lists or status file.

how to fix? Because of this, it open almost nothing

I try to do an update and...

E: Error with GPG : http://www.beerorkid.com dapper Release : The following signatures were invalid : NODATA 1 NODATA 2
Braiam
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user238554
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    This isn't quite a duplicate of http://askubuntu.com/questions/30072/how-do-i-fix-a-problem-with-mergelist-or-status-file-could-not-be-parsed-err because in this case it's not just corruption. In this case it's the user has added a repo older than time itself. An answer needs to account for that repo before fixing the merge issue. – Oli Jan 22 '14 at 12:45

1 Answers1

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If you are following this guide, first, you are following something for Dapper Drake 6.06 (6 years old) that doesn't apply to recent versions of Ubuntu. Second, you need to remove that repository:

COMPIZ / BERYL
the repo on this server is out of date.
for beryl or compiz head to http://opencompositing.org/

Remove the repository using this:

sudo sed -i '/beerorkid/d' /etc/apt/sources.list /etc/apt/sources.list.d/*.list
sudo apt-get update

The opencompositing site also is dead (tried to get the repositories). I would also suggest you to upgrade Ubuntu and don't use Dapper.

Braiam
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