Topic: Systems

Back to the blog

Cloning in EMC Networker; playing around with mminfo and nsrclone

Posted on 12 May 2016 | Systems by Jeroen de Meijer

The environment We have a tape back-up environment with a tape library in two locations. The software used is EMC Networker (formerly Legato Networker). The back-ups are made on the primary location (Datacenter 1), and all back-ups are cloned to the secondary location (datacenter 2). There are several back-up groups containing various datasets. As retention …

Continue reading

Control Center… What gives, eh?

Posted on 16 March 2016 | Systems by Daniel Schutterop

OK, about that new ‘Control Center’ thing we all know and love, or, should know and love… What gives, eh? For the uninitiated: zenOss released a new version of their monitoring suite a while ago, where they went from version 4 to a whopping 5, which is to be expected of course. Though it looks …

Continue reading

Correlate your systems health with solar activity and geomagnetic storms!

Posted on 11 February 2016 | Systems by Daniel Schutterop

Yes. This sounds as cool as it really is. No, it’s not really a thing. Well, the solar activity is, the correlation… well… not really. To be completely honest, the title is a line from the readme file that Lennart Koopmann wrote to introduce his Graylog plugin, “The ultimate Friday thing to do. ¯\(ツ)/¯” as …

Continue reading

My Journey to 100-percent-fully-automated-GraylogZilla-enabled™ Logging

Posted on 9 February 2016 | Systems by Daniel Schutterop

In a world where you are only as strong as your log analyzing skills, who could resist a tool that ties all your logs together in a comprehensive and searchable fashion? I know, it sounds like the intro to a terrible Sci-Fi flick, but in reality this is what drove me to Graylog in the …

Continue reading

Docker, Elastic, Kibana, PL/SQL, Python (Part 2)

Posted on 2 February 2016 | Systems by Aram Lauxtermann

PL/SQL System Technological Updates 2. – CX Oracle Problem Now that our docker container is running we can install cx_Oracle. The only problem is: Cx_Oracle only runs on RHEL, but this can be fixed with Alien. Solution My computer is running Elementary OS – Ubuntu Image 14.04 x86-64bit, python 2.7.4. Install alien to convert .rpm …

Continue reading

Docker, Elastic, Kibana, PL/SQL, Python

Posted on 2 February 2016 | Systems by Aram Lauxtermann

Docker System Technological Updates 1. – Docker Problem Have you ever seen a server with multiple Bash or Korn scripts that get database information to visualize patterns. After a while the quantity of scripts becomes unmanageable and multiple tasks can interfere with each other. How can we solve this problem as clean as possible First …

Continue reading

Puppet4 (puppetserver) autosigning certificates

Posted on 17 December 2015 | Systems by Daniel Schutterop

In my work environment, we auto-sign puppet certificates. Well actually, I haven’t found an environment where puppet certificates are not signed automatically, based on at least the autosign.conf domain rules. Since this is quite the security flaw, I’ve tried a different approach when deploying the shiny and new Puppetserver (currently at 2.2.1). It’s now possible …

Continue reading

ElasticSearch metrics in Graphite

Posted on 4 December 2015 | Systems by Daniel Schutterop

OK, sometimes monitoring can get out of hand pretty fast. While monitoring the status and performance of my ES cluster, I realized that I wanted to integrate the metrics I’m monitoring into Graphite instead of the HQ plugin I regularly use. Since we use Grafana as a dashboard over here, it really makes sense to …

Continue reading

When was my SuSe package updated?

Posted on 19 October 2015 | Systems by Daniel Schutterop

Oh no, not again. That was the exact thing I thought when I read an e-mail asking about the patchlevel of a complete farm of SuSe servers. I have been asked the question before and, without a doubt can say that I will be asked the question in the future. What irks me is not …

Continue reading

Puppet extractor for Graylog

Posted on 15 October 2015 | Systems by Daniel Schutterop

Not too long ago I received a question how hard it would be to log the duration of Puppet runs to Graylog. The answer was pretty straight forward: if your machine is currently logging to a Graylog instance, the information will already be there. By default, the line ‘Finished catalog run in n seconds’ will …

Continue reading

1 2 3 7

Previous / Next