Add URL and short description for Monitoring Plugins inside the ITL documentation

fixes #12412
This commit is contained in:
Michael Friedrich 2016-08-12 16:44:50 +02:00
parent 99f944ac28
commit 4350403e1b
1 changed files with 176 additions and 79 deletions

View File

@ -91,7 +91,7 @@ any vars.
## <a id="plugin-check-commands-monitoring-plugins"></a> Plugin Check Commands for Monitoring Plugins
The Plugin Check Commands provides example configuration for plugin check commands
provided by the Monitoring Plugins project.
provided by the [Monitoring Plugins](https://www.monitoring-plugins.org) project.
By default the Plugin Check Commands are included in the `icinga2.conf` configuration
file:
@ -101,9 +101,14 @@ file:
The plugin check commands assume that there's a global constant named `PluginDir`
which contains the path of the plugins from the Monitoring Plugins project.
**Note**: If there are command parameters missing for the provided CheckCommand
definitions please kindly send a patch upstream. This should include an update
for the ITL CheckCommand itself and this documentation section.
### <a id="plugin-check-command-apt"></a> apt
The plugin `apt` is used to check the aptitude package management system for updates on Debian based systems.
The plugin [apt](https://www.monitoring-plugins.org/doc/index.html) checks for software updates on systems that use
package management systems based on the apt-get(8) command found in Debian based systems.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -120,7 +125,8 @@ apt_timeout | **Optional.** Seconds before plugin times out (default
### <a id="plugin-check-command-breeze"></a> breeze
Check command object for the `check_breeze` plugin.
The [check_breeze](https://www.monitoring-plugins.org/doc/man/check_breeze.html) plugin reports the signal
strength of a Breezecom wireless equipment.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -134,7 +140,8 @@ breeze_critical | **Required.** Percentage strength below which a WARNING statu
### <a id="plugin-check-command-by-ssh"></a> by_ssh
Check command object for the `check_by_ssh` plugin.
The [check_by_ssh](https://www.monitoring-plugins.org/doc/man/check_by_ssh.html) plugin uses SSH to execute
commands on a remote host.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -157,7 +164,8 @@ by_ssh_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-clamd"></a> clamd
Check command object for the `check_clamd` plugin.
The [check_clamd](https://www.monitoring-plugins.org/doc/man/check_clamd.html) plugin tests CLAMD
connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -187,7 +195,8 @@ clamd_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-dhcp"></a> dhcp
Check command object for the `check_dhcp` plugin.
The [check_dhcp](https://www.monitoring-plugins.org/doc/man/check_dhcp.html) plugin
tests the availability of DHCP servers on a network.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -203,7 +212,8 @@ dhcp_unicast | **Optional.** Whether to use unicast requests. Defaults to fal
### <a id="plugin-check-command-dig"></a> dig
Check command object for the `check_dig` plugin.
The [check_dig](https://www.monitoring-plugins.org/doc/man/check_dig.html) plugin
test the DNS service on the specified host using dig.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -225,12 +235,9 @@ dig_ipv6 | **Optional.** Force dig to only use IPv6 query transport.
### <a id="plugin-check-command-disk"></a> disk
Check command object for the `check_disk` plugin.
> **Note**
>
> `disk_wfree` and `disk_cfree` require the percent sign compared to older versions.
> If omitted, disk units can be used. This has been changed in **2.3.0**.
The [check_disk](https://www.monitoring-plugins.org/doc/man/check_disk.html) plugin
checks the amount of used disk space on a mounted file system and generates an alert
if free space is less than one of the threshold values.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -265,11 +272,8 @@ disk\_exclude\_type | **Optional.** Ignore all filesystems of indicated ty
### <a id="plugin-check-command-disk-smb"></a> disk_smb
Check command object for the `check_disk_smb` plugin.
> **Note**
>
> `disk_smb_wused` and `disk_smb_cused` require the percent sign. If omitted, disk units can be used.
The [check_disk_smb](https://www.monitoring-plugins.org/doc/man/check_disk_smb.html) plugin
uses the `smbclient` binary to check SMB shares.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -287,7 +291,10 @@ disk_smb_port | **Optional.** Connection port, e.g. `139` or `445`. Defaults to
### <a id="plugin-check-command-dns"></a> dns
Check command object for the `check_dns` plugin.
The [check_dns](https://www.monitoring-plugins.org/doc/man/check_dns.html) plugin
uses the nslookup program to obtain the IP address for the given host/domain query.
An optional DNS server to use may be specified. If no DNS server is specified, the
default server(s) specified in `/etc/resolv.conf` will be used.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -305,7 +312,9 @@ dns_timeout | **Optional.** Seconds before connection times out. Defaul
### <a id="plugin-check-command-dummy"></a> dummy
Check command object for the `check_dummy` plugin.
The [check_dummy](https://www.monitoring-plugins.org/doc/man/check_dummy.html) plugin
will simply return the state corresponding to the numeric value of the `dummy_state`
argument with optional text.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -317,7 +326,8 @@ dummy_text | **Optional.** Plugin output. Defaults to "Check was successful
### <a id="plugin-check-command-file-age"></a> file_age
Check command object for the `check_file_age` plugin.
The [check_file_age](https://www.monitoring-plugins.org/doc/man/check_file_age.html) plugin
checks a file's size and modification time to make sure it's not empty and that it's sufficiently recent.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -333,7 +343,8 @@ file_age_ignoremissing | **Optional.** Return OK if the file does not exist. Def
### <a id="plugin-check-command-flexlm"></a> flexlm
Check command object for the `check_flexlm` plugin. Requires the command `lmstat` installed.
The [check_flexlm](https://www.monitoring-plugins.org/doc/man/check_flexlm.html) plugin
checks available flexlm license managers. Requires the `lmstat` command.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -345,7 +356,11 @@ flexlm_timeout | **Optional.** Plugin time out in seconds. Defaults to 15.
### <a id="plugin-check-command-fping4"></a> fping4
Check command object for the `check_fping` plugin.
The [check_fping](https://www.monitoring-plugins.org/doc/man/check_fping.html) plugin
will use the `fping` command to ping the specified host for a fast check. Note that it is
necessary to set the suid flag on fping.
This CheckCommand expects an IPv4 address.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -366,7 +381,11 @@ fping_source_interface | **Optional.** The source interface name.
### <a id="plugin-check-command-fping6"></a> fping6
Check command object for the `check_fping` plugin.
The [check_fping](https://www.monitoring-plugins.org/doc/man/check_fping.html) plugin
will use the `fping` command to ping the specified host for a fast check. Note that it is
necessary to set the suid flag on fping.
This CheckCommand expects an IPv6 address.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -387,7 +406,8 @@ fping_source_interface | **Optional.** The source interface name.
### <a id="plugin-check-command-ftp"></a> ftp
Check command object for the `check_ftp` plugin.
The [check_ftp](https://www.monitoring-plugins.org/doc/man/check_ftp.html) plugin
tests FTP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -417,28 +437,32 @@ ftp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-game"></a> game
Check command object for the `check_game` plugin. Requires the command `qstat` (if installed from packages typically named `quakestat`) which also allows to provide some default configuration.
The [check_game](https://www.monitoring-plugins.org/doc/man/check_game.html) plugin
tests game server connections with the specified host.
This plugin uses the 'qstat' command, the popular game server status query tool.
If you don't have the package installed, you will need to [download](http://www.activesw.com/people/steve/qstat.html)
or install the package `quakestat` before you can use this plugin.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
Name | Description
-------------------|--------------
game_game | **Required.** Name of the game.
game_ipaddress | **Required.** Ipaddress of the game server to query.
game_timeout | **Optional.** Seconds before connection times out. Defaults to 10.
game_port | **Optional.** Port to connect to.
game_gamefield | **Optional.** Field number in raw qstat output that contains game name.
game_mapfield | **Optional.** Field number in raw qstat output that contains map name.
game_pingfield | **Optional.** Field number in raw qstat output that contains ping time.
game_gametime | **Optional.** Field number in raw qstat output that contains game time.
game_hostname | **Optional.** Name of the host running the game.
-------------------|-------------------
game_game | **Required.** Name of the game.
game_ipaddress | **Required.** Ipaddress of the game server to query.
game_timeout | **Optional.** Seconds before connection times out. Defaults to 10.
game_port | **Optional.** Port to connect to.
game_gamefield | **Optional.** Field number in raw qstat output that contains game name.
game_mapfield | **Optional.** Field number in raw qstat output that contains map name.
game_pingfield | **Optional.** Field number in raw qstat output that contains ping time.
game_gametime | **Optional.** Field number in raw qstat output that contains game time.
game_hostname | **Optional.** Name of the host running the game.
### <a id="plugin-check-command-hostalive"></a> hostalive
Check command object for the `check_ping` plugin with host check default values. This variant
uses the host's `address` attribute if available and falls back to using the `address6` attribute
if the `address` attribute is not set.
Check command object for the [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html)
plugin with host check default values. This variant uses the host's `address` attribute
if available and falls back to using the `address6` attribute if the `address` attribute is not set.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -455,8 +479,8 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-hostalive4"></a> hostalive4
Check command object for the `check_ping` plugin with host check default values. This variant
uses the host's `address` attribute.
Check command object for the [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html)
plugin with host check default values. This variant uses the host's `address` attribute.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -473,8 +497,8 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-hostalive6"></a> hostalive6
Check command object for the `check_ping` plugin with host check default values. This variant
uses the host's `address6` attribute.
Check command object for the [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html)
plugin with host check default values. This variant uses the host's `address6` attribute.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -491,7 +515,9 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-hpjd"></a> hpjd
Check command object for the `check_hpjd` plugin.
The [check_hpjd](https://www.monitoring-plugins.org/doc/man/check_hpjd.html) plugin
tests the state of an HP printer with a JetDirect card. Net-snmp must be installed
on the computer running the plugin.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -504,7 +530,10 @@ hpjd_community | **Optional.** The SNMP community. Defaults to "public".
### <a id="plugin-check-command-http"></a> http
Check command object for the `check_http` plugin.
The [check_http](https://www.monitoring-plugins.org/doc/man/check_http.html) plugin
tests the HTTP service on the specified host. It can test normal (http) and secure
(https) servers, follow redirects, search for strings and regular expressions,
check connection times, and report on certificate expiration times.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -557,7 +586,11 @@ http_ipv6 | **Optional.** Use IPv6 connection. Defaults t
### <a id="plugin-check-command-icmp"></a> icmp
Check command object for the `check_icmp` plugin.
The [check_icmp](https://www.monitoring-plugins.org/doc/man/check_icmp.html) plugin
check_icmp allows for checking multiple hosts at once compared to `check_ping`.
The main difference is that check_ping executes the system's ping(1) command and
parses its output while check_icmp talks ICMP itself. check_icmp must be installed
setuid root.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -579,7 +612,8 @@ icmp_timeout | **Optional.** The plugin timeout in seconds. Defaults to 10 (s
### <a id="plugin-check-command-imap"></a> imap
Check command object for the `check_imap` plugin.
The [check_imap](https://www.monitoring-plugins.org/doc/man/check_imap.html) plugin
tests IMAP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -608,7 +642,11 @@ imap_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-ldap"></a> ldap
Check command object for the `check_ldap` plugin. Use the plugin also for monitoring ldaps connections instead of the deprecated `check_ldaps`.
The [check_ldap](https://www.monitoring-plugins.org/doc/man/check_ldap.html) plugin
can be used to check LDAP servers.
The plugin can also be used for monitoring ldaps connections instead of the deprecated `check_ldaps`.
This can be ensured by enabling `ldap_starttls` or `ldap_ssl`.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -631,7 +669,8 @@ ldap_verbose | **Optional.** Show details for command-line debugging (disabled b
### <a id="plugin-check-command-load"></a> load
Check command object for the `check_load` plugin.
The [check_load](https://www.monitoring-plugins.org/doc/man/check_load.html) plugin
tests the current system load average.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -647,7 +686,8 @@ load_percpu | **Optional.** Divide the load averages by the number of CPUs (
### <a id="plugin-check-command-mailq"></a> mailq
Check command object for the `check_mailq` plugin.
The [check_mailq](https://www.monitoring-plugins.org/doc/man/check_mailq.html) plugin
checks the number of messages in the mail queue (supports multiple sendmail queues, qmail).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -662,7 +702,8 @@ mailq_servertype | **Optional.** [ sendmail \| qmail \| postfix \| exim \| nullm
### <a id="plugin-check-command-mysql"></a> mysql
Check command object for the `check_mysql` plugin.
The [check_mysql](https://www.monitoring-plugins.org/doc/man/check_mysql.html) plugin
tests connections to a MySQL server.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -689,7 +730,12 @@ mysql_ciphers | **Optional.** List of valid SSL ciphers.
### <a id="plugin-check-command-mysql-query"></a> mysql_query
Check command object for the `check_mysql_query` plugin.
The [check_mysql_query](https://www.monitoring-plugins.org/doc/man/check_mysql_query.html) plugin
checks a query result against threshold levels.
The result from the query should be numeric. For extra security, create a user with minimal access.
**Note**: You must specify `mysql_query_password` with an empty string to force an empty password,
overriding any my.cnf settings.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -709,7 +755,9 @@ mysql_query_critical | **Optional.** Exit with CRITICAL status if query is ou
### <a id="plugin-check-command-negate"></a> negate
Check command object for the `negate` plugin.
The [negate](https://www.monitoring-plugins.org/doc/man/negate.html) plugin
negates the status of a plugin (returns OK for CRITICAL and vice-versa).
Additional switches can be used to control which state becomes what.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -726,7 +774,9 @@ negate_arguments | **Optional.** Arguments for the negated command.
### <a id="plugin-check-command-nrpe"></a> nrpe
Check command object for the `check_nrpe` plugin.
The `check_nrpe` plugin can be used to query an [NRPE](http://docs.icinga.org/latest/en/nrpe.html)
server or [NSClient++](https://www.nsclient.org). **Note**: This plugin
is considered insecure/deprecated.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -745,7 +795,8 @@ nrpe_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-nscp"></a> nscp
Check command object for the `check_nt` plugin.
The [check_nt](https://www.monitoring-plugins.org/doc/man/check_nt.html) plugin
collects data from the [NSClient++](https://www.nsclient.org) service.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -764,7 +815,10 @@ nscp_showall | **Optional.** Use with SERVICESTATE to see working services or
### <a id="plugin-check-command-ntp-time"></a> ntp_time
Check command object for the `check_ntp_time` plugin.
The [check_ntp_time](https://www.monitoring-plugins.org/doc/man/check_ntp_time.html) plugin
checks the clock offset between the local host and a remote NTP server.
**Note**: If you want to monitor an NTP server, please use `ntp_peer`.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -783,7 +837,10 @@ ntp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-ntp-peer"></a> ntp_peer
Check command object for the `check_ntp_peer` plugin.
The [check_ntp_peer](https://www.monitoring-plugins.org/doc/man/check_ntp_peer.html) plugin
checks the health of an NTP server. It supports checking the offset with the sync peer, the
jitter and stratum. This plugin will not check the clock offset between the local host and NTP
server; please use `ntp_time` for that purpose.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -817,7 +874,11 @@ dummy_text | **Optional.** Plugin output. Defaults to "No Passive Check Res
### <a id="plugin-check-command-pgsql"></a> pgsql
Check command object for the `check_pgsql` plugin.
The [check_pgsql](https://www.monitoring-plugins.org/doc/man/check_pgsql.html) plugin
tests a PostgreSQL DBMS to determine whether it is active and accepting queries.
If a query is specified using the `pgsql_query` attribute, it will be executed after
connecting to the server. The result from the query has to be numeric in order
to compare it against the query thresholds if set.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -838,9 +899,12 @@ pgsql_query_critical | **Optional.** SQL query value to result in critical statu
### <a id="plugin-check-command-ping"></a> ping
Check command object for the `check_ping` plugin. This command uses the host's `address` attribute
if available and falls back to using the `address6` attribute if the `address` attribute is not set.
The [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html) plugin
uses the ping command to probe the specified host for packet loss (percentage) and
round trip average (milliseconds).
This command uses the host's `address` attribute if available and falls back to using
the `address6` attribute if the `address` attribute is not set.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -857,7 +921,12 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-ping4"></a> ping4
Check command object for the `check_ping` plugin.
The [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html) plugin
uses the ping command to probe the specified host for packet loss (percentage) and
round trip average (milliseconds).
This command uses the host's `address` attribute if not explicitely specified using
the `ping_address` attribute.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -873,7 +942,12 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-ping6"></a> ping6
Check command object for the `check_ping` plugin.
The [check_ping](https://www.monitoring-plugins.org/doc/man/check_ping.html) plugin
uses the ping command to probe the specified host for packet loss (percentage) and
round trip average (milliseconds).
This command uses the host's `address6` attribute if not explicitely specified using
the `ping_address` attribute.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -890,7 +964,8 @@ ping_timeout | **Optional.** The plugin timeout in seconds. Defaults to 0 (no
### <a id="plugin-check-command-pop"></a> pop
Check command object for the `check_pop` plugin.
The [check_pop](https://www.monitoring-plugins.org/doc/man/check_pop.html) plugin
tests POP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -919,7 +994,10 @@ pop_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-processes"></a> procs
Check command object for the `check_procs` plugin.
The [check_procs](https://www.monitoring-plugins.org/doc/man/check_procs.html) plugin
checks all processes and generates WARNING or CRITICAL states if the specified
metric is outside the required threshold ranges. The metric defaults to number
of processes. Search filters can be applied to limit the processes to check.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -944,7 +1022,8 @@ procs_nokthreads | **Optional.** Only scan for non kernel threads. Defaults
### <a id="plugin-check-command-simap"></a> simap
Check command object for the `check_simap` plugin.
The [check_simap](https://www.monitoring-plugins.org/doc/man/check_simap.html) plugin
tests SIMAP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -972,7 +1051,8 @@ simap_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-smart"></a> smart
Check command object for the `check_ide_smart` plugin. Requires installation of `smartctl`.
The [check_ide_smart](https://www.monitoring-plugins.org/doc/man/check_ide_smart.html) plugin
checks a local hard drive with the (Linux specific) SMART interface. Requires installation of `smartctl`.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -983,7 +1063,8 @@ smart_device | **Required.** The name of a local hard drive to monitor.
### <a id="plugin-check-command-smtp"></a> smtp
Check command object for the `check_smtp` plugin.
The [check_smtp](https://www.monitoring-plugins.org/doc/man/check_smtp.html) plugin
will attempt to open an SMTP connection with the host.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1011,7 +1092,10 @@ smtp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-snmp"></a> snmp
Check command object for the `check_snmp` plugin.
The [check_snmp](https://www.monitoring-plugins.org/doc/man/check_snmp.html) plugin
checks the status of remote machines and obtains system information via SNMP.
**Note**: This plugin uses the `snmpget` command included with the NET-SNMP package.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1039,7 +1123,8 @@ snmp_timeout | **Optional.** The command timeout in seconds. Defaults to
### <a id="plugin-check-command-snmpv3"></a> snmpv3
Check command object for the `check_snmp` plugin, using SNMPv3 authentication and encryption options.
Check command object for the [check_snmp](https://www.monitoring-plugins.org/doc/man/check_snmp.html)
plugin, using SNMPv3 authentication and encryption options.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1068,7 +1153,8 @@ snmpv3_timeout | **Optional.** The command timeout in seconds. Defaults to
### <a id="plugin-check-command-snmp-uptime"></a> snmp-uptime
Check command object for the `check_snmp` plugin.
Check command object for the [check_snmp](https://www.monitoring-plugins.org/doc/man/check_snmp.html)
plugin, using the uptime OID by default.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1081,7 +1167,8 @@ snmp_community | **Optional.** The SNMP community. Defaults to "public".
### <a id="plugin-check-command-spop"></a> spop
Check command object for the `check_spop` plugin.
The [check_spop](https://www.monitoring-plugins.org/doc/man/check_spop.html) plugin
tests SPOP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1110,7 +1197,8 @@ spop_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-ssh"></a> ssh
Check command object for the `check_ssh` plugin.
The [check_ssh](https://www.monitoring-plugins.org/doc/man/check_ssh.html) plugin
connects to an SSH server at a specified host and port.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1125,7 +1213,8 @@ ssh_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-ssl"></a> ssl
Check command object for the `check_tcp` plugin, using ssl-related options.
Check command object for the [check_tcp](https://www.monitoring-plugins.org/doc/man/check_tcp.html) plugin,
using ssl-related options.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1140,7 +1229,8 @@ ssl_cert_valid_days_critical | **Optional.** Critical threshold for days before
### <a id="plugin-check-command-ssmtp"></a> ssmtp
Check command object for the `check_ssmtp` plugin.
The [check_ssmtp](https://www.monitoring-plugins.org/doc/man/check_ssmtp.html) plugin
tests SSMTP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1169,7 +1259,8 @@ ssmtp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-swap"></a> swap
Check command object for the `check_swap` plugin.
The [check_swap](https://www.monitoring-plugins.org/doc/man/check_swap.html) plugin
checks the swap space on a local machine.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1184,7 +1275,8 @@ swap_noswap | **Optional.** Resulting state when there is no swap regardless
### <a id="plugin-check-command-tcp"></a> tcp
Check command object for the `check_tcp` plugin.
The [check_tcp](https://www.monitoring-plugins.org/doc/man/check_tcp.html) plugin
tests TCP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1214,7 +1306,8 @@ tcp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-udp"></a> udp
Check command object for the `check_udp` plugin.
The [check_udp](https://www.monitoring-plugins.org/doc/man/check_udp.html) plugin
tests UDP connections with the specified host (or unix socket).
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1231,7 +1324,9 @@ udp_ipv6 | **Optional.** Use IPv6 connection. Defaults to false.
### <a id="plugin-check-command-ups"></a> ups
Check command object for the `check_ups` plugin.
The [check_ups](https://www.monitoring-plugins.org/doc/man/check_ups.html) plugin
tests the UPS service on the specified host. [Network UPS Tools](http://www.networkupstools.org)
must be running for this plugin to work.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
@ -1249,7 +1344,9 @@ ups_timeout | **Optional.** The number of seconds before the connection time
### <a id="plugin-check-command-users"></a> users
Check command object for the `check_users` plugin.
The [check_users](https://www.monitoring-plugins.org/doc/man/check_users.html) plugin
checks the number of users currently logged in on the local system and generates an
error if the number exceeds the thresholds specified.
Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):