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    How can I reset the depositories and erase the bad ones?

    I installed gns3 on unbuntu and upgraded to 19.04 and have issues... how to fix and how to prevent? : The repository 'http://archive.canonical.com/ubuntu multiuniverse Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by...
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    Lunbuntu dont know how to create hard drive partition, cant install

    Can someone help me understand Linux file systems? I'm installing lunbuntu and I have to create the partitions, it's a 30 gig Flash Storage drive. So I need a swap file, a boot partition, and an extended partition? How do I go about this? I did it like this and it failed, it ran out of...
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    Installed ssh on Debian how to remote login?

    i have a unbuntu laptop how to connect remotely?
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    an good ebooks to read to learn enough Linux to get a good position?

    I have a book called the "Linux Bible" but it's IMO too advanced for someone probably looking for a support role. I want to know enough Linux to be good with the basics for a position outside of Admin which I would guess requires the most knowledge. I'm looking for any free ebooks you recommend...
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    How to set up and remote login to SSH from a dynamic IP address?

    I have a lubuntu machine and a debian machine, latest versions and I want to practice using SSH.. I installed SSH on lubuntu and the IP address is 127.0.0.1 which is the loopback address and that's incorrect. Also I'm having issues with LOCK processes and cannot unlock them. can someone help me...
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