Missing Dependency on RHEL/Fedora/CentOS: libcucul.so.0 is needed by package mplayer
I've been trying to get MPlayer installed on my server, and I finally had some success at it. So, I'll share what I've learned:
The problem would seem to be some glitches in the various repositories that prevent MPlayer from compiling properly. You can have the libcaca, caca-utils, and libcaca-devel RPM's installed, and it STILL fails to resolve the dependency.
The libcucul.so.0 dependency error was solved, in my case, by enabling the RPMFusion repos and THEN installing MPlayer via yum. I did, and managed to FINALLY get mplayer working.
I hope this helps somebody else avoid the four hours I spent researching this. 
Bizarre Linux-WordPress-PodPress issue
As there are legions of pages out there on the various "blank page" errors in WordPress, I'll add my own experience here, in the hopes of helping others.
I run, on behalf of a client, a wide array of WordPress blogs using the excellent PodPress podcasting plugin.
Some of those blogs suddenly started experiencing the dread "blank page" error. The logs were unhelpful, reporting a 304.
The problem wound up being a bunch of MP3's (the podcasts) that another contact of the clients' had uploaded for them, that wound up in the /tmp partition.
One quick "rm -rf /tmp/*.mp3" and everything was good to go.
I hope this is helpful to others; I know how many blind alleys I stumbled down trying to properly troubleshoot this issue. In the end, I just happened to notice 100% utilization of /tmp as I was checking the RAM usage. Troubleshooting this error is unfortunately made more difficult by a wide range of red herrings.
Funny Unix/Linux Commands
Some of these seem to be platform-specific, but here's a funny look at some odd results you can get out of your shell: [link]
% cat “food in cans”
cat: can’t open food in cans
% nice man woman
No manual entry for woman.
% “How would you rate Quayle’s incompetence?
Unmatched “.
% Unmatched “.
Unmatched “.
% [Where is Jimmy Hoffa?
Missing ].
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