Install icli by entering the following commands in the terminal:
sudo apt update sudo apt install icli
Description:
command line interface for the icinga monitoring system
icli is a command line interface to Icinga. It can show the service, host, queue or downtime status of all or specified hosts or hostgroups. It can also be used to schedule service rechecks. . By overriding the status file path names, it can also be used with a nagios installation.
Homepage: http://derf.homelinux.org/projects/App-Icli/
Version: 0.48-1
Section: universe/net