01-29-2006
Quote:
Originally Posted by izy100
Your statement, "In a single purpose server there can be a "golden" setting or settings, and the system should be tuned appropriately." is right to certain extent, but I will prefer to put it as, "In a single purpose server there can be a "golden" setting or settings, and the system can be tuned to meet the user expectation/requirement."
It's not oly true of single purpose servers, and whether you like to admit or not even changing parameters to required settings are tuning measures, by virtue of the fact that they make use of kernel tunable parameters, in the same way that if I use the presets on my radio I'm still tuning to the station I want to listen to, even it someone else programmed for it into my radio for me.
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FM(1) General Commands Manual FM(1)
NAME
fm - control frequency, volume, mute/unmute of FM radio card
SYNOPSIS
fm [ -h ] [ -o ] [ -q ] [ -d device ] [ -t tuner ] [ -T none | forever | time ] on | off | + | - | freq [ volume ]
DESCRIPTION
fm is a program to control the frequency, volume, and mute/unmute state of an FM radio card, using the video4linux interface introduced in
2.1.x series Linux kernels.
OPTIONS
-h Print a usage message to standard output, and exit.
-o Ignore frequency range limits of card. Use if you suspect that the card supports a wider frequency range than its driver believes.
-q Quiet mode. Keeps information on station and volume from being printed on standard output.
-d device
Sets device as the device to tune. The default is /dev/radio0.
-t tuner
Sets tuner as the tuner on the selected device to adjust. The default is tuner 0. Most radio devices have only a single tuner.
-T none | forever | time
After tuning, sleep for the time specified or forever. Time is specified in seconds by default. A suffix of m indicates minutes, h
indicates hours, or d indicates days.
The -T option is useful with radio card drivers that only maintain the tuner settings while the tuner's file descriptor remains
open. Try using this option if running fm ordinarily produces only a single "pop" from your speakers.
freq Frequency to tune the radio to, in MHz. For instance, 88.9 specifies a frequency of 88.9 MHz. AM tuner values are also specified
in MHz; for instance, 530 kHz would be specified as .530.
on Turn the radio on (unmute).
off Turn the radio off (mute).
volume Specify the desired volume, in percent. Not all radio devices support volume control.
+ Increase the current volume.
- Decrease the current volume.
CONFIGURATION
fm reads $HOME/.fmrc, if it exists, to obtain default settings. Each line may take one of the following forms:
VOL percent
Specifies default volume (default: 12.5%).
INCR percent
Volume increment used for + and - options (default: 10%).
TIME Default sleep time (default: none).
All other lines are ignored.
SEE ALSO
Additional documentation:
/usr/share/doc/fmtools/README
The fmtools homepage:
http://benpfaff.org/fmtools
AUTHORS
Russell Kroll <rkroll@exploits.org>, now maintained by Ben Pfaff <blp@cs.stanford.edu>. Sleep time feature contributed by Dave Ulrick <d-
ulrick@insightbb.com>. This manpage written by Ben Pfaff.
fm 1.0.2 FM(1)