Another interesting aspect of Nagios is its ability to check the status from a mobile device.
While it is possible to use the Nagios built-in web interface from a smartphone or tablet, there are mobile applications that show the status in a more convenient way as well as perform actions, such as adding comments, acknowledging a problem, and scheduling a check.
Usually, Nagios is only run inside local networks and not publicly available. Mobile applications require to communicate with Nagios from external networks. This may require either making the Nagios web server available on a public IP address or preferably using a Virtual Private Network (VPN) solution. Another option is only to use a Wi-Fi connection that is also local to the Nagios server. For the purpose of this section, we will assume that the mobile device can access the Nagios server.
While mobile interfaces do not usually offer the full functionality of the built-in web interface...