04-19-2010
Unix system monitoring
Hi,
I am relatively new to Unix. Today I have attended an interview and they asked me below questions
(a)How do you monitor Unix system?
(b)How do you know every thing is working fine?
(c)How do you know if there are any bottle necks?
(d)How do you know if any process is hanging and draining the resources?
(e)If the application is driven by exchange feeds, how do you know if the feeds are all set up correctly?
(f)Are you aware of any performance monitoring tools?
This is with respect to their application which is a trade processing application.
Please help me improve my knowledge.
Regards
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LEARN ABOUT DEBIAN
nagios3stats
nagios3stats(8) nagios nagios3stats(8)
NAME
nagios3stats - report statistics information from the nagios system
SYNOPSIS
nagios3stats [-hVL] [-c config] [-m] [-d]
DESCRIPTION
nagios3stats Is a program designed to provide information on the running nagios system. It can provide a brief summary of information, or
it can be used to export specific information about the nagios system into an MRTG-compatible format. For more information please consult
the nagios online documentation available at http://www.nagios.org or the documentation available with your nagios server's web page.
OPTIONS
-c|--config=FILE
The main configuration file. On debian systems this defaults to /etc/nagios3/nagios.cfg
-m|--mrtg
Print output in MRTG-compatible format. For more details run nagios3stats with --help
-d|--data=VARS
Comma-seperated list of variables to output in MRTG format. For more details run nagios3stats with --help.
-h|--help
A helpful usage message
-V|--version
Print version information
-L|--license
Print license details
FILES
/etc/nagios3
Default configuration directory for nagios3
AUTHOR
nagios3 is written and maintained by Ethan Galstad <nagios@nagios.org>. This manual page was written by sean finney <seanius@debian.org>
for the Debian GNU/Linux operating system (but it may be freely used, modified, and redistributed by others).
sean finney February 2006 nagios3stats(8)