check_cpu

# Requires the check_cpu plugin — install via your package manager or
# download from https://exchange.nagios.org/

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

# Use in a service definition:
define service {
    use                   generic-service
    host_name             web-01
    service_description   CPU Utilization
    check_command         check_cpu!80!95
    # Warn at 80% CPU usage, critical at 95%
}