Before I get to the main issue, I'll explain how I got to where I am.

I have a Power Mac G5 that was pretty much useless to me so I decided to do a little research to see if I could salvage it. I came across some videos and "tutorials" of others loading Ubuntu on their G4s and G5s so I gave it a try. I spent several days failing attempts to boot from disc into Ubuntu but finally decided to just download the Ubuntu 16.04 netboot install and see if that worked and it did. yay!

Because I am very new to Ubuntu, I didn't realize that the netboot version of Ubuntu was literally just a skeleton of the OS. So I researched more and downloaded the Ubuntu 16.04 GUI, which loaded the login screen, the desktop background and the cursor and thats all... So I figured that wasn't going to work so I ran the command "sudo tasksel" and deselected "Ubuntu" to uninstall it and then ran the same command and selected "lubuntu desktop" to install it. So far, everything has worked like a charm except Steam. I installed it fine and when I launch the app I get the normal terminal window telling me I need to download 3 lib files and when I type my sudo password and press enter it tries to download the files but...

"Reading package lists... Done Building dependency tree Reading state information... Done N: Ignoring file 'steam.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extention E: Unable to locate package libgl1-mesa-dri:i386 E: Unable to locate package libgl1-mesa-glx:i386 E: Unable to locate package libc6:i386"

I have seen similar cases in which the fixes for those do not work in my case. When I try to dl these files in terminal I get the same results as expected.

I have tried EVERY command I could find to try and fix this and still nothing...

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