Monitoring Websites with Selenium

Now and then websites are really important for daily business and private life. You can nearly buy everything on websites, find information, meet friends, watch movies and much more. All the worse if your website is not working and you don't notice it or your customer first. But even if you already have some monitoring for [...]

By |2019-04-04T23:01:29+00:00June 12th, 2017|Categories: Blog, How To|Tags: , , |0 Comments

Process Monitoring with SNMP

Monitoring processes that don't provide network services is a default use case in network monitoring. Because they aren't providing network services, black box testing won't work- you need an agent on your system providing an inside view of your operating system. The Net-SNMP agent is easy to install and configure on Linux or Unix. It's compatible [...]

By |2019-04-04T23:01:45+00:00May 9th, 2017|Categories: Blog, How To|Tags: , , |0 Comments

Restart Detection

Most of today's servers run in virtual environments and Java applications in containers. Sometimes these applications or servers unexpectedly restart and can often go unnoticed because a restart can be much faster then a polling cycle. If SNMP is enabled, the hrSystemUptime can detect restarts from Windows or Linux machines. Similarly, this concept can also be [...]

By |2019-04-04T23:01:45+00:00May 4th, 2017|Categories: Blog, How To|Tags: , |0 Comments

Reboot & Update Monitor

Security updates are important and need to be installed regularly and as quick as possible. In Linux distributions like Ubuntu and Debian this is easily done with the apt package manager. Most of the security updates can be installed without rebooting your system. If you upgrade your Kernel it is required to restart your system and [...]

By |2019-04-04T23:01:45+00:00April 7th, 2017|Categories: Blog, How To|Tags: , , |0 Comments

Automated Ordering

A self-sufficient printer environment OpenNMS usually stands for network and server monitoring. But like every good tool you can use (or misuse?!) OpenNMS in other scenarios as well. If that is a good solution, is completely your choice! :-) Imagine, you have a big printer environment, distributed in different locations and you don't want to order [...]

By |2019-04-04T23:01:45+00:00April 5th, 2017|Categories: Blog, How To|Tags: , |0 Comments

OpenNMS 101 Online

While our documentation is constantly improving, it is easier for newcomers to follow someone who explains ideas and concepts of OpenNMS. Tarus Balog started a great video tutorial session which gives everything you need to get started with OpenNMS. The online training is divided into several modules which you can find on the OpenNMS YouTube channel. Modules are organized [...]

By |2019-04-04T23:01:45+00:00January 31st, 2017|Categories: Blog, How To, News|Tags: , , , |0 Comments

OpenNMS Docker Image

Deploying and running OpenNMS and Minions in infrastructures using containers might be interesting to some users. For this reason, I've started to use Docker infrastructure to provide a ready-to-run entrypoint to build your OpenNMS container based infrastructure. You can find more information in the lab section under Running with Docker in our wiki. The Docker files and images can be forked on GitHub and [...]

By |2019-04-04T23:01:46+00:00January 10th, 2017|Categories: Blog, How To|Tags: |0 Comments

Ubuntu Vagrant Box Update

We have updated our Vagrant box hosted on the Atlas platform with latest OpenNMS Horizon 17 pre-configured with RRDtool. This is also the first VirtualBox image which comes with a pre-installed Grafana 2.5 and has the Grafana OpenNMS Plugin as data source installed and is ready to be used. All you have to do is run vagrant init opennms/vagrant-opennms-ubuntu-stable vagrant up If [...]

By |2019-04-04T23:01:46+00:00December 7th, 2015|Categories: Blog, How To, News|Tags: , , |0 Comments