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Nagios plugins for monitoring Linux systems.
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This plugin checks how many users are logged in on a ProFTP FTP - Server. You can specify a warning and a critical limit. Checkable local or trough check_by_ssh or NRPE Update: Corrected perfdata output to make it compliant with Nagios Plugin Guidline
Check the status of geom(4) gmirror(8) software RAID volumes on FreeBSD 5x and 6x.
Check American Megatrends / LSI Logic / Dell PERC4 SCSI Hardware RAID Controller under FreeBSD by parsing the output of ports/sysutils/megarc
Checks the ram usage on the local machine, good for remote checks using nrpe. Works on 32-bit and 64-bit Linux systems.
This script outputs the percentage of free memory RAM and alerts (warning/critical) according to the specified thresholds.
This check command checks if a reboot are required after an upgrade. It will also list packages that requires a reboot to ease the decision for the sysadmin if/when a reboot needs to be carried out. OS Requirements: Debian and Ubuntu (or derivatives) ...
Check the status of a RHES Cluster installation by snmp. This check is deprecated by check_rhcsnmp and check_clustat from monitoringplug.
Check a Rocks cluster for dead nodes
A constant thread - a security breach. This small plugin uses the capabilities of the "Rootkit Hunter", an open source solution downloadable from http://sourceforge.net/projects/rkhunter/
Checks the mount table for read-only mounts - these are usually a sign of trouble (broken filesystem etc.)
Modified version of the original check_rpc plugin with dynamic rpc list.
This plugin checks the rsync-incr directory, checking the backup.
check_smart checks the output of smartctl contained in a file for health, temperature and pre-fail attributes. It also checks the data's age. A way to create a file containing the output of smartctl is to add an cron entry like the following: */20 * * ...
This is an improvement of the check_smartmon plugin, used to check SMART hard drive health
Script checks all disks for their SMART values. The selected ones are reported, if their value is bigger what 0.