Ubuntu questions - important

Posted by asdasd on Super User See other posts from Super User or by asdasd
Published on 2010-03-23T17:17:19Z Indexed on 2010/03/23 17:23 UTC
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They had installed some modified edubuntu's at school... So i have some questions about setting some things up:

  1. How we can play HD videos ? They are made for windows machines and are in .wmv format but we need to play them on our multimedia class but don't know how - which player, which codecs etc.

  2. How to edit properly the /etc/apt/sources file ? Anything we try to install via apt-get it just says that E:\ is not available. Please tell me which repositories to put in there so we could be able to install some tools.

  3. Where are usually viruses/trojans put in ubuntu ? I mean in which directories ? Because our computers are behaving really slow and we need to check for some malware manually - we are not even allowed to install any kind of AV software. So tell me the usual directories and places for hiding such files, how are they hiddem, how to recognize them etc.

  4. Any others nice tricks/tips that we need to know.

Thank you very much in advance.

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