# /usr/local/nagios/libexec/check_ssh --help
check_ssh v2.0.3 (nagios-plugins 2.0.3)
Copyright (c) 1999 Remi Paulmier <remi@sinfomic.fr>
Copyright (c) 2000-2014 Nagios Plugin Development Team
<devel@nagios-plugins.org>
Try to connect to an SSH server at specified server and port
Usage:
check_ssh [-4|-6] [-t <timeout>] [-r <remote version>] [-p <port>] <host>
Options:
-h, --help
Print detailed help screen
-V, --version
Print version information
--extra-opts=[section][@file]
Read options from an ini file. See
https://www.nagios-plugins.org/doc/extra-opts.html
for usage and examples.
-H, --hostname=ADDRESS
Host name, IP Address, or unix socket (must be an absolute path)
-p, --port=INTEGER
Port number (default: 22)
-4, --use-ipv4
Use IPv4 connection
-6, --use-ipv6
Use IPv6 connection
-t, --timeout=INTEGER
Seconds before connection times out (default: 10)
-r, --remote-version=STRING
Warn if string doesn't match expected server version (ex: OpenSSH_3.9p1)
-P, --remote-protocol=STRING
Warn if protocol doesn't match expected protocol version (ex: 2.0)
-v, --verbose
Show details for command-line debugging (Nagios may truncate output)
Example)
define service {
use generic-service,srv-pnp
host_name compute1
service_description SSH
check_command check_ssh!-p!5134
notifications_enabled 0
}
