The next OpenNMS training course will be held the week of 11 September, 2017, at the OpenNMS headquarters in Apex, NC, USA. This will be the first training course in our new office. Did I mention we are just above a brewery?
Release 2015.1.5 is the sixth release of OpenNMS Meridian 2015. It contains a few bug fixes and minor enhancements. The codename for 2015.1.3 is NT. Bug OpenNMS doesn’t correctly support IPv6 addresses for (jasper) reporting (Issue NMS-5450) Restarting OMNS results in numerous SNMP outage alarms and notifications (Issue NMS-8620) Poller Node Down without [...]
A group of four students from Southampton Solent University, mentored by Dr. Craig Gallen, used OpenNMS to win the top prize at the TeleManagement Forum {open}:hack competition at the TM Forum Live conference in Nice, France. Now, a little background is in order. Dr. Gallen founded Entimoss, our OpenNMS partner in the UK and Ireland. He got involved with OpenNMS [...]
Hello World, We had an Easterhack some days ago, as some of you remember. Marcel Fuhrmann and Markus von Rüden organised the event and Marcel provided a place in his home for the OpenNMS guys to hack, eat, drink, talk and have some fun. Here are a few things what [...]
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. [...]
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 [...]
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 [...]
We are happy to announce our annual meeting Dev-Jam, the annual OpenNMS Developers' Conference. This year will mark our twelfth meeting. For the first time we will be holding Dev-Jam outside of the United States. About a third of the attendees come from other countries and due to recent changes [...]
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 [...]
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 [...]
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