check_disk

# check_disk is bundled with the standard nagios-plugins package.

# Define the command in commands.cfg:
define command {
    command_name  check_disk
    command_line  $USER1$/check_disk -w $ARG1$ -c $ARG2$ -p $ARG3$
}

# Use in a service definition:
define service {
    use                   generic-service
    host_name             web-01
    service_description   Disk Usage /
    check_command         check_disk!20%!10%!/
    # Warn when less than 20% free, critical when less than 10% free
}