Operations | Monitoring | ITSM | DevOps | Cloud


Making Use of Previous State in Icinga2 Check Commands

When writing a custom check plugin for Icinga 2, there are situations where in addition to observing the current state of a system, taking the past into account as well can be helpful. A common case for this is when the data source provides counter values, i.e. values that increase over time and you are less interested in the current value but more in how it changes.

Cloudify your data centre - A guide to VMware infrastructure transformation

You know what’s going on. You’ve been monitoring the situation around VMware for at least a year now. There is no need to convince you that whatever comes next, you have to prepare for a big change. You and your team are already well prepared. You have a budget, timeline and necessary resources. However, one thing that you’re missing is the answer to the “HOW?”. If this is the case, you are in the right place.

Migrating from CentOS to Ubuntu: a guide for system administrators and DevOps

CentOS 7 is on track to reach its end-of-life (EoL) on June 30, 2024. Post this date, the CentOS Project will cease to provide updates or support, including vital security patches. Moving away from the RHEL-based ecosystem might appear daunting, but if you’re considering Ubuntu the switch can be both straightforward and economically viable.

Major Improvements For Linux Users In Tracealyzer v4.9

Installation on Linux has been greatly simplified in the upcoming Tracealyzer v4.9. The installation package now includes everything needed to run the software. Linux users no longer need to install dependencies like Mono or libgconf. Instead, a native Linux binary is provided (for x86-64) with the Mono runtime integrated. Most other dependencies have been replaced or removed. You are up and running in a few minutes. We have also spent a lot of time improving the overall user experience on Linux.

Efficient data/file copying on modern Linux

Editing and copying large files or large numbers of files is slow. For a configuration management tool, it is probably one of the slowest things we do, apart from waiting for other programs to finish or waiting for network communication. In this blog post, we look at how to copy files. More specifically, the most performant approaches available on modern Linux systems. We are working on implementing these techniques so CFEngine and all your policy will copy files more efficiently.

Ubuntu Pro for EKS is now generally available

May 14, 2024 – Canonical, the publisher of Ubuntu, is delighted to announce the general availability of Ubuntu Pro for Amazon Elastic Kubernetes Service (Amazon EKS). This expansion brings robust security offerings to AWS’ managed Kubernetes service, including enhanced uptime and security through Kernel Livepatch and unrestricted access to Pro containers to Amazon EKS, a managed Kubernetes services to run Kubernetes on Amazon Web Services (AWS) and on-premises data centers.

How To Monitor Linux Network Usage - Top Network Monitoring Tools

Network monitoring is important for keeping any network healthy and working well. Linux has many powerful tools to help system administrators monitor network traffic and fix problems. This article looks at six of these tools: NetHogs, nload, netstat, iftop, speedometer, and NetFlow.

Ubuntu Pro 24.04 LTS Lands on Google Cloud: Power Up Your Cloud Experience

Exciting news for cloud enthusiasts and developers! Ubuntu Pro 24.04 LTS (Noble Numbat) is now available on Google Cloud, bringing a robust and secure platform for your cloud workloads. This latest Long Term Support release from Canonical offers a wealth of features and enhancements, making it the perfect choice for building and deploying applications in the cloud.