monitoring various things (mainly activity) on different unix boxes Post: 302560601

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Top Forums Shell Programming and Scripting monitoring various things (mainly activity) on different unix boxes Post 302560601 by albator1932 on Friday 30th of September 2011 09:52:10 AM

09-30-2011

Registered User

monitoring various things (mainly activity) on different unix boxes

Hi there,

I want to ask you guys what you think about my problem.
I work as a sysadmin on about 7000 workstations or so and to save money and energy, we've decided to switch off as many workstations as possible during the night (probably by shutting it down by cron and power it on by WakeOnLAN).
We're also planning to develop a custom portal to let users choose if the workstation they're using cannot be shut down.

All of this is currently under discussion, and for now I need to report the nightly activity on a selection of workstations (RHEL4, RHEL5 and HP-UX 11.11), here is what I need :

- monitor if there's local user logged on the workstation
- monitor if there's remote user logged on the workstation
- activity of those users if applicable
- process running

Of course I first thought about the "ps -ef" and the "who" commands but there's about 50 workstations to monitor (during 2 weeks or so) and I'm not really a shell script guru and of course data collected must be compiled easily for me to report...

What do you think is the best option ?

Thanks

albator1932

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eneconv

eneconv(1)					 GROMACS suite, VERSION 4.5.4-dev-20110404-bc5695c					eneconv(1)

NAME

       eneconv - converts energy files

       VERSION 4.5.4-dev-20110404-bc5695c

SYNOPSIS

       eneconv	-f  ener.edr  -o  fixed.edr  -[no]h  -[no]version -nice int -b real -e real -dt real -offset real -[no]settime -[no]sort -[no]rmdh
       -scalefac real -[no]error

DESCRIPTION

       With  multiple files specified for the  -f option:

       Concatenates several energy files in sorted order.  In the case of double time frames, the one in the later file  is  used.  By	specifying
       -settime you will be asked for the start time of each file. The input files are taken from the command line, such that the command  eneconv
       -f *.edr -o fixed.edr should do the trick.

       With  one file specified for  -f:

       Reads one energy file and writes another, applying the  -dt,  -offset,  -t0 and	-settime options and converting to a different	format	if
       necessary (indicated by file extentions).

	-settime is applied first, then  -dt/ -offset followed by  -b and  -e to select which frames to write.

FILES

       -f ener.edr Input, Mult.
	Energy file

       -o fixed.edr Output
	Energy file

OTHER OPTIONS

       -[no]hno
	Print help info and quit

       -[no]versionno
	Print version info and quit

       -nice int 19
	Set the nicelevel

       -b real -1
	First time to use

       -e real -1
	Last time to use

       -dt real 0
	Only write out frame when t MOD dt = offset

       -offset real 0
	Time offset for  -dt option

       -[no]settimeno
	Change starting time interactively

       -[no]sortyes
	Sort energy files (not frames)

       -[no]rmdhno
	Remove free energy block data

       -scalefac real 1
	Multiply energy component by this factor

       -[no]erroryes
	Stop on errors in the file

KNOWN PROBLEMS

       - When combining trajectories the sigma and E2 (necessary for statistics) are not updated correctly. Only the actual energy is correct. One
       thus has to compute statistics in another way.

SEE ALSO

       gromacs(7)

       More information about GROMACS is available at <http://www.gromacs.org/>.

								  Mon 4 Apr 2011							eneconv(1)