Foreman, Katello and Red Hat Satellite 6 users have multiple possibilities to monitor infrastructure health. Beside the Foreman host, also managed systems and defined software content are worth monitoring.

Foreman dashboard

Foreman/Katello and Red Hat Satellite offer a dashboard with some widgets that can be used for …

The last couple of days I have been working on a new project I want to introduce: IcingaBusylightAgent.

It all began with a new telephony system in our office. Instead of using physical phones, my colleagues are now using softphones. In addition to this, a gadget called Busylight representing the instant messenger …

Icinga2 is a very powerful monitoring system that can be used optionally with the new user interface Icinga Web 2. In comparison with Icinga 1.x, those tools have been developed completely from scratch - they have nothing in common with the legacy software stack.

This year, a configuration utility named Icinga Director …

Using OMD it is possible to setup a working monitoring for checking infrastructure setups just within minutes.

But - what monitored OMD-relevant processes? Usually, a OMD site consists of multiple pre-configured services such as:

• Icinga or Nagios
• Apache web server
• Cron service
• rrdcached (for RRD graphs)
• npcd ( …

Recently I stumbled upon an interesting blog post about monitoring systemd units with Nagios or Icinga.

But in my opinion the post's screenshot is misleading. I looks like the linked Python scripts automatically discovers and configures systemd units within Nagios/Icinga - which is not the case. The script named …

When configuring and testing a Python Icinga plugin within an OMD site, I stumbled upon the following error recently:

1TypeError: 'frozenset' object is not callable

After some tests on other systems, I found out, that the Python library hashlib shipped with OMD seems to be faulty. Copying the system-wide …

Koukaam NETIO power outlets offer a network interface that can be used for controlling the particular ports comfortably. It would be even nicer to monitor them with Nagios or Icinga. 2012 I created a provisional bash script for monitoring the ports and time synchronization over NTP.

This weekend I migrated the script …

If you're running a PostgreSQL database on a CentOS/RHEL system and moved the data directory to a dedicated partition the following error might occur if you want to monitor the filling level using the Nagios/Icinga plugin check_disk:

1DISK CRITICAL - /var/lib/pgsql/data is not accessible: Permission denied

The reason …