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Hi I'm new in Linux and I need your help :)

Every time when i type sudo apt-get update it shows:

alphaog@alphaog-HP-Pavilion-DV7:~$ sudo apt-get update
E: Type 'ain' is not known on line 3 in source list /etc/apt/sources.list.d/ricotz-testing-precise.list
E: The list of sources could not be read.

I tried

gksu gedit /etc/apt/sources.list

and put # in front third line but it still doesn't work. Please Help! :)

share|improve this question
Can you post a pastebin of your sources.list? – DaimyoKirby Nov 27 '12 at 21:20
That was the wrong file to edit, see answers. – david6 Nov 27 '12 at 22:07
If you have an answer that works, please accept it. – VedVals Dec 4 '12 at 7:54

Please provide output from: (add detail to your question)

cat /etc/apt/sources.list.d/ricotz-testing-precise.list

You will likely need to remove the third line from this file:

gksudo gedit /etc/apt/sources.list.d/ricotz-testing-precise.list
  • Enter your password (if asked) and wait for editor.
  • Delete the 3rd line. The "ain" is a corrupted " main".
  • Save, and Close the file.

Then run:

sudo apt-get update && sudo apt-get upgrade
share|improve this answer
when i type cat /etc/apt/sources.list.d/ricotz-testing-precise.list – user111172 Nov 27 '12 at 22:13

This is easy to fix.

apt-get gives you a warning about where the problem exists.

Type 'ain' is not known on line 3 in source list /etc/apt/sources.list.d/ricotz-testing-precise.list

Open the file with an editor (eg: gedit). You will need root privileges to edit the contents.

Run this command in terminal

gksudo gedit /etc/apt/sources.list.d/ricotz-testing-precise.list

and delete the word 'ain' . Save the file and run again

sudo apt-get update
share|improve this answer
Thanks good sir :D it's working now – user111172 Nov 27 '12 at 22:16
@user111172 Glad it works ! Please mark the answer as the correct answer. – NikTh Nov 27 '12 at 22:20

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