uptime

check_uptime

Check computer uptime (time since last reboot).

• Examples
• Argument Defaults
• Attributes

Implementation

Windows	Linux	FreeBSD	MacOSX
✅	✅	✅	✅

Examples

Default Check

check_uptime
OK - uptime: 3d 02:30h, boot: 2023-11-17 19:33:46 (UTC) |'uptime'=268241s;172800:;86400:

Example using NRPE and Naemon

Naemon Config

define command{
    command_name         check_nrpe
    command_line         $USER1$/check_nrpe -H $HOSTADDRESS$ -n -c $ARG1$ -a $ARG2$
}

define service {
    host_name            testhost
    service_description  check_uptime
    use                  generic-service
    check_command        check_nrpe!check_uptime!'warn=uptime < 180s' 'crit=uptime < 60s'
}

Argument Defaults

Argument	Default Value
warning	uptime < 2d
critical	uptime < 1d
empty-state	0 (OK)
empty-syntax
top-syntax	%(status) - ${list}
ok-syntax
detail-syntax	uptime: ${uptime}, boot: ${boot} (UTC)

Check Specific Arguments

None

Attributes

Filter Keywords

these can be used in filters and thresholds (along with the default attributes):

Attribute	Description
uptime	Human readable time since last boot
uptime_value	Uptime in seconds
boot	Human readable date of last boot