Recently, we have been working on a project called "Helm" which will integrate a convenient OpenNMS alarm dashboard into Grafana. As part of that process, we have been developing a pure-JavaScript API for interacting with OpenNMS's ReST services called "OpenNMS.js". OpenNMS.js is primarily designed for developers, [...]
As soon you provide more than a handful of services monitoring and centralized logging becomes essential. Especially when you run the Net-SNMP daemon with Docker you will notice your logs get spamed with some messages like Cannot statfs /run/docker/netns/...: Permission denied everytime you query for performance data. The Wiki article is a [...]
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 [...]
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 [...]
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