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The Wednesday 2007-12-19 at 17:35 -0800, Randall R Schulz wrote:
So am I, but I don't want to run apps as root.
Actually, that's not necessary. You can always become root for the
purpose of exercising privileged operations and then go back to being
a "regular" user to carry out everyday tasks.
E.g.:
su root -c 'ionice -c 3 su nonRootUser -c "ultimate command"'
Or, if you're already root:
ionice -c 3 su nonRootUser -c "ultimate command"
Ah! Ah! Didn't know that trick.
I have to try that!
[...]
Doesn't work...
nimrodel:~ # ionice -c 1 su - cer -c "xine --verbose"
Who needs friends when you can sit alone in your room and drink?
This is xine (X11 gui) - a free video player v0.99.5.
(c) 2000-2007 The xine Team.
Built with xine library 1.1.8 (1.1.8)
Found xine library version: 1.1.8 (1.1.8).
Cannot open display
nimrodel:~ #
Mayby doesn't like "su -". Another try:
nimrodel:~ # ionice -c 1 su cer -c "xine --verbose"
Yes! Lets check on another terminal:
nimrodel:~ # ps au | grep xine
root 14954 0.0 0.1 3124 1208 pts/27 S+ 03:29 0:00 su cer -c
xine --verbose
cer 14955 2.8 2.7 205492 28944 pts/27 Sl+ 03:29 0:02 xine
--verbose
root 15122 0.0 0.0 2040 652 pts/20 S+ 03:30 0:00 grep xine
nimrodel:~ # ionice -p 14955
realtime: prio 4
Good! It is runnin with realtime priority as user. I like that! Now
I'll have to write this to a sudo rule, some how.
- --
Cheers,
Carlos E. R.
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