NAGIOS-STAT(1)NAGIOS-STAT(1)NAMEnagios-stat - nagios-statd client
SYNOPSISnagios-stat [OPTION] check server
DESCRIPTIONnagios-stat (nagios-stat client) is the client program for nagios-
statd(8). These programs together comprise a systems monitoring tool
for various platforms. It is designed to be integrated with the Nagios
monitoring tool, although this is not a requirement.
nagios-stat is the client that connects to the nagios-statd server. It
then sends the daemon which check it wants to run, parses the data,
prints a result, and then exits appropriately.
OPTIONS-c, --critical=LEVEL
LEVEL is the what level of data will cause the client program to exit
with a critical error. The defaults are dependent upon the check
below, and are documented below.
-d, --disk=DISK
A specific disk to check when running the disk check. It is only valid
for this check, and will be ignored for all other checks.
-D, --ignoredisk=DISK
A comma delimited list of disks (device names) to ignore when running
the disk check. It is only valid for this check, and will be ignored
for all other checks.
-l, --lt
Reverse how the proc check exits on criticality and warnings. Instead
of going critical/warning when the number of processes is greater than
-c/-w, it now goes critical/warning when the number of processes is
less than -c/-w.
-m, --mount=MOUNT
A specific mount point to check when running the disk check. It is
only valid for this check, and will be ignored for all other checks.
-M, --ignoremount=MOUNT
A comma delimited list of mount points to ignore when running the disk
check. It is only valid for this check, and will be ignored for all
other checks.
-n, --processname=NAME
Name of a specific process to check for when running the proc check.
It is only valid for this check, and will be ignored for all other
checks.
-P, --perfdata
Enables output of nagios performance data.
-p, --port=PORT
Port to connect to on remote nagios-statd(8) server.
-s, --state=STATE
Process states to check for (such as ZW, or just Z, etc.) when running
the proc check. It is only valid for this check, and will be ignored
for all other checks.
-v, --verbose
Gives verbose output for checks. Currently, it causes the disk check
to always print out utilization information.
-w, -warning=LEVEL
LEVEL is the what level of data will cause the client program to exit
with a warning error. The defaults are dependent upon the check below,
and are documented below.
-V, --version
Output version information and exit.
-x, --debug
Prints out raw data that nagios-stat(1) receives from the nagios-
statd(8) server. Useful for debugging connection issues.
-h, --help
Print short option information and exit.
CHECKS
disk (warning: 90%; critical: 95%)
The disk check allows you to check to see if a disks' utilization is
above a specified percentage. You can use the -d/-m to check a specific
disk/mount, or you can use the -D/-M options to ignore certain
disks/mount points (like /cdrom). By default, the disk check will
check all disks on a machine. Note that -d/-m and (-D/-M) are exclu‐
sive options, although -D and -M are not. Also, if you specify a
disk/mount and it isn't found, then nagios-stat(1) will exit at a crit‐
ical level.
load (warning: 2; critical: 5)
The load check allows you to check to see if a machines' load average
is above a specified 5-minute load average).
proc (warning: 100; critical: 200) / (warning: -1; critical: 1 if using
-l/--lt)
The proc check allows you to check to see if a machine is running more
than the specified number of processes. You can use the -s option to
restrict the results to processes running in a specified state. Be
warned: Using the -s check with a state that the process check will run
in may result in an off-by-one error. There is no workable way to fix
this. You can also use the -n option to only look at certain processes
as they appear in the process table. This matches the beginning of the
processes name, so -n ora would match "oracle", "orablob", and
"orafreep -n". Interpreted programs often find their command line mod‐
ified (especially in Linux). For example, running "./foo.pl" will
result in a process name of "/usr/bin/perl ./foo.pl". An easy solution
(in Perl, for example) is to add "$0 = $0;" at the beginning of your
programs.
swap (warning: 75%; critical: 90%)
The swap check allows you to check to see if a machines' swap utiliza‐
tion is above a specified percentage. Due to the difficulty of ascer‐
taining this information, your platform may not be supported for this
check.
user (warning: 20; critical: 30)
The user check allows you to check to see if more than a specified num‐
ber of users are currently logged in.
version (warning: nagios-stat(1) version - .01; critical: none)
The version check allows you to check what version of nagios-statd(8)
that the remote server is running. This is useful for organizations
that are running a large quantity of servers to make sure they are
always up-to-date.
EXAMPLES
Check to see if /dev/hda is under 60%/80% full on server.domain.net:
nagios-stat-d /dev/hda -w 60 -c 80 disk server.domain.net
Check to see if all mounts except /cdrom and /tmp are under 75%/85%
full:
nagios-stat-M /cdrom,/tmp -w 75 -c 85 disk server.domain.net
Check to see if the load average is below 2.5/10:
nagios-stat-w 2.5 -c 10 load server.domain.net
Check and warn if load is above 1 (only):
nagios-stat-w 1 -c 10000 load server.domain.net
Check to see if there are more than 5/10 zombie processes:
nagios-stat-w 5 -c 10 -s Z proc server.domain.net
Check and critical if more than 20 Z or N or W processes:
nagios-stat-w 10000 -c 20 -s NWZ proc server.domain.net
Check to see if cron is running - critical if it isn't:
nagios-stat-l -n '/usr/sbin/cron' proc server.domain.net
Check 'oracle' processes running, critical if less than 3, warn less
than 5:
nagios-stat-l -n 'oracle' -c 3 -w 5 proc server.domain.net
Check if swap utilization is above 50%/75%:
nagios-stat-w 50 -c 75 swap server.domain.net
Check to see if there are more than 250/500 users connected:
nagios-stat-w 250 -c 500 user server.domain.net
Check and critical if server is running nagios-statd 3.05 or lower:
nagios-stat-w 10000 -c 3.05 version server.domain.net
EXIT CODES
To comply with Nagios specifications, the following exit codes are
used:
0 : OK
1 : Warning
2 : Critical
3 : Invalid command line options, unable to check status (Unknown)
BUGS
There is a general lack of feedback for the more obscure platforms. As
such their behavior might not always be particularly deterministic.
Feedback is always welcome. Redhat Linux contains Python 1.x as
/usr/bin/python. This program requires Python 2.x to function. Either
change the shebang at the top of the program to point to
/usr/bin/python2, or change /usr/bin/python to be Python 2.x.
AUTHOR
April King http://www.twoevils.org
E-mail: april at twoevils dot org
COPYRIGHT
Copyright (C) 2002-2005 April King.
This is free software, there is NO warranty; not even for MERCHANTABIL‐
ITY or FITNESS FOR A PARTICULAR PURPOSE. This program is licensed
under the BSD license. More information is available in the LICENSE
file included with this program.
Nagios is a trademark of Ethan Galstad.
SEE ALSOnagios-statd(8)Version 3.12 17 Nov 2005 NAGIOS-STAT(1)
