diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index 06f99b790..bbd3e824b 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -1485,6 +1485,21 @@ users_wgreater  | **Optional.** The user count warning threshold. Defaults to 20
 users_cgreater  | **Optional.** The user count critical threshold. Defaults to 50.
 
 
+### uptime <a id="plugin-check-command-uptime"></a>
+
+The [check_uptime](https://www.monitoring-plugins.org/doc/man/check_uptime.html) plugin
+checks the uptime of the system using /proc/uptime.
+
+Custom variables passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):
+
+Name            | Description
+----------------|--------------
+uptime_warning  | **Required.** Min. number of uptime to generate warning (-w 30m). Defaults to 30m.
+uptime_critical | **Required.** Min. number of uptime to generate critical alert (-c 15m). Defaults to 15m.
+uptime_for      | **Optional.** Show uptime in a pretty format (Running for x weeks, x days, ...). Defaults to false.
+uptime_since    | **Optional.** Show last boot in yyyy-mm-dd HH:MM:SS format (output from 'uptime -s'). Defaults to false.
+
+
 
 ## Windows Plugins for Icinga 2 <a id="windows-plugins"></a>
 
diff --git a/itl/command-plugins.conf b/itl/command-plugins.conf
index 144cb3684..c3f7ffe1f 100644
--- a/itl/command-plugins.conf
+++ b/itl/command-plugins.conf
@@ -3140,3 +3140,32 @@ object CheckCommand "rpc" {
 
 	vars.rpc_address = "$check_address$"
 }
+
+object CheckCommand "uptime" {
+        command = [ PluginDir + "/check_uptime" ]
+
+        arguments = {
+		"--warning" = {
+			value = "$uptime_warning$"
+			description = "Min. number of uptime to generate warning"
+			required = true
+		}
+		"--critical" = {
+			value = "$uptime_critical$"
+			description = "Min. number of uptime to generate critical alert ( w < c )"
+			required = true
+		}
+		"--for" = {
+			set_if = "$uptime_for$"
+			description = "Show uptime in a pretty format (Running for x weeks, x days, ...)"
+		}
+		"--since" = {
+			set_if = "$uptime_since$"
+			description = "Show last boot in yyyy-mm-dd HH:MM:SS format (output from 'uptime -s')"
+		}
+	}
+
+	vars.uptime_warning = "30m"
+	vars.uptime_critical = "15m"
+}
+