Using samhain with nagios

Samhain
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# 4.10. Using samhain with nagios

After running ./configure, you will find the script `check_samhain.pl` in the subdirectory `scripts/` of the samhain distribution. The following recipe to use this script has been kindly provided by kiarna:

Nagios runs as user 'nagios'. However, in order to check the filesystem, you typically want to run samhain as 'root'. You can use sudo to fix this problem. In your `/etc/sudoers` file, add the line:

    nagios ALL = NOPASSWD:/path/to/check_samhain

Next, add the service to the nagios file `checkcommands.cfg`:

    # 'check_samhain' command definition
    define command{
    command_name check_samhain
    command_line /usr/bin/sudo -u root $USER1$/check_samhain -t 100
    }

Checking the filesystem may take some time, so you may want to increase the nagios plugin timeout by changing the following line in `nagios.cfg` from 60 to 100:

    service_check_timeout=100

Then add the service to the appropriate section in the nagios `service.cfg` file.

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