Use dpkg to pretty print package dependencies.
Define allowed HTTP methods on HAProxy load balancer using simple Access Control Lists.
Use encrypted passwords to automatically setup users using configuration management tools like Puppet or Ansible.
Create custom data field to define multiple domain names and service apply rule to verify those SSL certificates.
Install UniFi controller to configure wireless network using Ubiquiti devices.
Icinga2 documentation clearly describes the master->satellite->client setup, but as of now everything can be configured using director module and top down approach, so you can easily monitor external remote networks that are not accessible from the master server.
The free utility is used to display the amount of free and used memory in the system. Debian Stretch provides an upgraded package. Output format has changed, and available memory is calculated using a different method, so let’s see what we can do with these modifications at this moment.
Add your first host using icinga2 director after performing clean installation as I have described earlier this month – icinga2 plus icingaweb2 and director module installation procedure.