Application integration & Middleware

Zabbix Configuration with API

Despite the will of Zabbix to be as automated as possible, some tasks cannot be automated. Nevertheless, Zabbix offers an HTTP-based API which can be used programmatically. This opens the door to huge possibilities in terms of automation.

Unable to start WebLogic Admin Server during host reconfiguration

In my previous blog named “Changing Fusion Middleware repository database“, I explained how to move a Fusion Middleware repository database from one host to a new host. During the run of this exercise, I came over an issue(…)

Apache Kafka Consumer Group

On producer side, messages are load balanced across partition based on hashed key. On the consumer side, to ensure that each message is processed by only one consumer within the group, allowing for load balancing, fault tolerance, and efficient(…)

Apache Kafka Concepts by Example

In this blog post, I will demonstrate the first few concepts to understand when you want to learn Apache Kafka. Documentation explains it well, but I find that concrete examples give a better feeling of(…)

My JVM Memory Analyzes Toolkit

One of the most common errors while running an application is “out of memory”. And Java is no different besides errors being named exceptions. The exact exception name you might have encountered is: java.lang.OutOfMemoryError And, in most cases,(…)

Zabbix Proxy

Among the different packages provided by Zabbix, one arouse my curiosity: Proxy. What is its purpose? When to use it? How to install it? I will cover these in this blog post. Intention There are multiple reasons to(…)

Nagios Remote Plugin Executor and EV Observe

Nagios Remote Plugin Executor, in short NRPE, is the nagios server plugin required to call script hosted on agents we want to monitor. You might wonder why I would try this agent when I am not using Nagios server.

Monitoring Scripts with Zabbix

In a similar manner as in this Prometheus blog, you might want to monitor scripts which are short living or do not fit the pull-model (Server pulling from agent). Thus, it can use the push(…)

Zabbix from Problem to Remediation

Until now, in my previous blog posts, we did not cover one of the main features of any monitoring platform: Alarming. In Zabbix, it is named triggers. Item and Trigger Trigger is based on an item calculation. Thus,(…)

Zabbix Agent Automated Registration

For those reading my blog posts regularly, you know I am an fan of automation. Declaring each host in Zabbix configuration manually is not an idea I like very much. Moreover, in dynamic environments which are moving a lot,(…)