In der neuesten Version von GLPlugin habe ich die Möglichkeit vorgesehen, Thresholds auch als reguläre Ausdrücke anzugeben. Wie schaut das nun genau aus?
$ check_wut_health --hostname dcenv2.de.xxxx --community public --mode sensor-status OK - return air temperature Unit 1.1 is 21.40C, humidity Unit 1.1 is 49.40%, return air temperature Unit 2.1 is 22.40C, humidity Unit 2.1 is 46.80% | 'temp_Unit 1.1'=21.40;25;28;; 'hum_Unit 1.1'=49.40%;40:60;35:65;0;100 'temp_Unit 2.1'=22.40;25;28;; 'hum_Unit 2.1'=46.80%;40:60;35:65;0;100
Wir sehen hier die hartcodierten Default-Schwellwerte 25 und 28 für die Temperatur bzw. 40:60 und 35:65 für die Luftfeuchtigkeit.
Bisher gab es zwei Möglichkeiten, diese zu ändern, z.b. in 20 und 30 für die Temperaturen zu ändern.
“Sakuli”, das Open-Source-Framework zum automatisierten Testen von Applikationen, ist vor kurzem in Version 1.0 erschienen. Ein kleiner Blick auf die zurückliegenden Änderungen.
Markdown is great for writing documentation or tutorials. However, executing the steps from a tutorial usually means to copy and paste the commands into a shell. There is no guarantee that the documentation is complete, and there is no protection against copy-and-paste errors.
This post shows how to use Packer for automatically executing code snippets from Markdown files on a variety of platforms. Machine images are created directly from the code snippets in the documentation. That way, documentation is guaranteed to be up-to-date and complete, and it can be integrated in an automated delivery pipeline.
There are many reasons to enable encryption on your webserver and since Let’s Encrypt openend its public beta, there are no more excuses to not use ssl. Besides the official scripts, programs and webpage, there is also already a Perl module Crypt::LE available which uses the Lets Encrypt API and makes requesting and renewing certificates super easy and most important… scriptable.
In a previous article we went through how to build a chat room web application that used REST and STOMP for communicating between the client and server. In this article I use the very same application and show how to write automated integration tests using the open source Citrus integration test framework.
If you haven’t read the first article don’t worry. A quick summary of all the important bits will be shown shortly below. But before I get to that lets talk a little bit about automated integration testing and citrus.
One of the biggest challenges when testing any application is being able to simulate all endpoints.
A couple of years have passed since we last looked into in-memory caches here at ConSol. In that time a bunch of things have happened:
Probably the most significant thing that happened was that the oldest Java Service Request JSR 107, also known as JCache, finally reached ‘Release’ status. This JSR was a long time in the making taking a whole 13 years since the initial proposal back in 2001.
The existing In-memory caches providers, like Hazelcast, have received a whole host of new features including things like support for distributed transactions, a new Map-Reduce API, interceptors for executing business logic, when the cache entries change, to mention just a few.
The host- and servicecheck scheduling of Nagios has always been some kind of black box. Checks pile up when using timeperiods which often leads to performance issues while the Nagios host idles again just a minute later. Latest Thruk release (2.06) ships a new addon which visualizes and alleviates this issue.
Sakuli todays release is a great milestone because it introduces a brand new graphical installer and a bunch of other features!
Download and check it out sakuli-v0.9.2-installer.jar!
OMD Labs Edition 2.10 in has been released today. The OMD Labs Edition is based on the standard OMD but adds some
more useful addons like Grafana and Influxdb or additional cores like Icinga 2 and
Naemon. Todays release is a great milestone because it introduces grafana based graphing out of the box in the usual easy OMD way.
Fabian and Christoph have been invited to speak at Devoxx Conference 2016 in Antwerp, Belgium. Watch their talks to learn more about HTTP2 and Citrus Framework.