What is IT infrastructure and why is it important? Let’s start by defining what IT infrastructure actually is. We’ll later dive into how Infrastructure as Code IaC enables the success of the DevOps process. Information technology infrastructure or IT infrastructure refers to the components—hardware, software, networking components—required to operate and manage a business’s IT environment. IT […]
This tutorial explains how to set-up the check_oracle_health script (credits to Gerhard Lausser) to work on your Nagios environment on CentOS (or any RedHat-based Linux). This Nagios plugin allows monitoring many oracle DB parameters – like tablespaces size, session, process count, SGA pool, etc. Check it out on the author’s web set.The hardest part of […]
The Icinga2 configuration options are rich and provide you with a lot of ways to re-use what you already have. They serve well, but once your monitoring becomes big enough they just don’t cut it anymore. Reducing the load on the monitoring hosts and the servers you check becomes a high priority. One way to […]
Icinga2 is a great tool built upon the foundation of the well-known Nagios monitoring, inheritingall the pros it has to offer. With many plugins available in your repository and thousands more in the community-driven Nagios-exchange website, icinga2 is a very good choice for your infrastructure monitoring.I will cover some of the optional features that can be tweaked to suit your […]
In my previous blog post, I was discussing how to monitor RabbitMQ as a centralized message Q of Openstack. Well, that’s quite important but the end goal of having a cloud is the instance on top of the machine. Most of you and especially the infrastructure guys who dig into monitoring will know what are the most […]
Last year we focused on Openstack technology and the projects behind it. We decided to stress on it and move our scope in that direction because of the rich features and flexibility that it provides. But as we know great power comes with great responsibility.