Operations | Monitoring | ITSM | DevOps | Cloud

Kubernetes vs. Docker: What Does It Really Mean?

“Kubernetes vs. Docker” is a phrase that you hear more and more these days as Kubernetes becomes ever more popular as a container orchestration solution. However, “Kubernetes vs. Docker” is also a somewhat misleading phrase. When you break it down, these words don’t mean what many people intend them to mean, because Docker and Kubernetes aren’t direct competitors.

Tutorial: Getting Started with ROS

ROS, the Robot Operating System, is the platform of choice for robot development. However, the breadth and depth of existing documentation can be daunting for the ROS beginner. Where should you start learning about ROS 2 on Ubuntu? All robots based on ROS and ROS 2 are programmed using five simple but core constructs: In this tutorial and associated video we’ll introduce these concepts with simulated robots.

Integrating Sensu Go into your CI/CD pipeline with sensuctl prune

Since the release of Sensu Go, many in our community have told us Sensu is easier and faster to deploy, more portable, and more compatible with containerized and ephemeral environments (as compared to Sensu Core, the original version of Sensu). In a recent webinar, I talked about integrating Sensu Go with your CI/CD pipeline and how to use the sensuctl prune command to keep your Sensu resources in a declarative state, reducing dependence on traditional configuration management tools.

Integrating Sensu Go into your CI/CD pipeline with sensuctl prune

Since the release of Sensu Go, many in our community have told us Sensu is easier and faster to deploy, more portable, and more compatible with containerized and ephemeral environments (as compared to Sensu Core, the original version of Sensu). In a recent webinar, I talked about integrating Sensu Go with your CI/CD pipeline and how to use the sensuctl prune command to keep your Sensu resources in a declarative state, reducing dependence on traditional configuration management tools.

Working Remote: Keeping Culture Alive During Unprecedented Times

Team-building remains an important priority despite the shift to remote work, but doing remote team-building well is even trickier than it was when everyone was in the office. This article sheds light on the creative approaches we take to remote team-building and my advice for other businesses that are struggling to adapt their cultural initiatives to a remote setting.

4 ways to save on IT costs in the asset life cycle [Part 4: Retirement and disposal]

Welcome back to the final part of our four-part blog series on saving on IT costs in the asset life cycle. In the last part, we talked about how to cut costs during maintenance and support. In this part, we’ll look at retirement and disposal, and ways to save during this phase. The retirement phase of the asset life-cycle can be tricky, because asset managers have to accurately judge the time frame for when a certain asset is ready for retirement.

Celebrating issue 50 of Performance Matters

When we first launched Performance Matters a year ago, we didn’t just want to surface the performance stories of the big tech companies; our goal was to share and highlight the hard work of thousands of people making software faster. Since then, we’ve delivered over 550 articles, community ideas, tweets, videos, and the occasional comic strip from every corner of the web to your inbox. Here are the 10 most popular articles from all 50 issues of our weekly performance newsletter. Enjoy!

Monitoring IoT devices using heartbeats and MQTT gateways

When working with IoT (internet of things) devices one of the key issues is to keep track of the health of all installations. Most of the time, especially with smaller devices, the applications (firmwares) are flashed for a single time during setup and stay untouched at their location of action for a long while.