Ok, before you even attempt to read this post, I am assuming that you not only understand standard UNIX file permissions, but that you also understand special file permissions. What are special file permissions you ask. Well you know them as setuid, setgid, and the stickbit. If you don't know what these things are then I will give you a very brief introduction.
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Ubuntu Linux- Locate Failed Dimms without Pain
So I have recently made the switch to Kubuntu 12.10 on my new desktop. Basically I am building a monster workstation and I ran into issue running Fedora 18. Since I wanted Steam support too I decided not to try to move to an earlier Fedora version, but rather, I chose to give Ubuntu another try (its been years since I have run Ubuntu).