Turing Uncomplete

I wanted to play Bolero of Fire by Zelda Reorchestrated upon login, but I wanted it to work in both GNOME and Openbox (I have a really minimal openbox set up for if I need all the power I can get while still having graphics), and found this elegant solution, requires mplayer:
mplayer /path/to/startup/music.ogg
It’s that simple! [...]

If you’re using Opera on Arch x86_64 you’ve probably got the flashplayer-opera64 package from the AUR installed. That package is for Flash 9, and I prefer Flash 10, so I set about editing the PKGBUILD, copying from the flashplugin-beta PKGBUILD. Here is what you do.
Dependencies
Opera has a 32bit plugin wrapper, so nsplugin is not needed, [...]

This little tutorial is to teach you how easy it is to compile a kernel, however I should warn you that I’ve only tested this on Arch Linux and no other distributions, so things may be slightly different. This is something people frequently fail at, so you can obviously never have too much documentation on [...]