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check_file_md5s
Current Version
1.0
Last Release Date
2009-11-09
Compatible With
- Nagios 3.x
Owner
Hits
101031
Files:
| File | Description |
|---|---|
| check_file_md5s | NRPE script to verify files against a stored md5sum |
| md5s.example | Example of the md5s file. |
| rebuild_md5s | Shell script to rebuild the /etc/nagios/md5s file automatically. Saves a dated filename copy. |
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Very simplistic NRPE plugin that will check md5sum's of system files against a stored list.
Steps to install:
1. Generate the stored /etc/nagios/md5s by running:
- /usr/bin/md5sum [Fully Qualified Filename] >> /etc/nagios/md5s
- Do that for each file you wish to monitor.
2. Put the check_file_md5s script in your plugins directory, define the command on the NRPE client config and restart NRPE:
- command[check_file_md5s]=/usr/lib64/nagios/plugins/check_file_md5s
3. Define the command and service in Nagios.
define service{
use linux-service
host_name
service_description NRPE_file_md5
check_command check_nrpe!check_file_md5s
}
- Reload nagios configuration
NRPE will then compare the current md5sum's for each file against that stored list. If differences are found it will issue a Warning back to Nagios.
Tested on Fedora and Scientific Linux with a Nagios 3 server.
30 Nov 2009: Added a script that copies the md5s file to a new filename with a datestamp and then rebuilds the file with current md5sum's. Makes it easy to update the file when any of the monitored files are modified.
Steps to install:
1. Generate the stored /etc/nagios/md5s by running:
- /usr/bin/md5sum [Fully Qualified Filename] >> /etc/nagios/md5s
- Do that for each file you wish to monitor.
2. Put the check_file_md5s script in your plugins directory, define the command on the NRPE client config and restart NRPE:
- command[check_file_md5s]=/usr/lib64/nagios/plugins/check_file_md5s
3. Define the command and service in Nagios.
define service{
use linux-service
host_name
service_description NRPE_file_md5
check_command check_nrpe!check_file_md5s
}
- Reload nagios configuration
NRPE will then compare the current md5sum's for each file against that stored list. If differences are found it will issue a Warning back to Nagios.
Tested on Fedora and Scientific Linux with a Nagios 3 server.
30 Nov 2009: Added a script that copies the md5s file to a new filename with a datestamp and then rebuilds the file with current md5sum's. Makes it easy to update the file when any of the monitored files are modified.
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