About mfuhrmann

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So far mfuhrmann has created 15 blog entries.

What the…? SNMP Daemon spams my log!

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 small guide how to configure the [...]

By |2019-04-04T23:01:28+00:00June 19th, 2017|Categories: Blog, How To|Tags: , , |0 Comments

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

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