Operations | Monitoring | ITSM | DevOps | Cloud

Welcome to Part II of this three-part mini-series on embedded Linux development on Ubuntu. In Part I, we set the stage for the remainder of the series and gave an overview of snaps, the packaging format at the heart of embedded devices running Ubuntu. Snaps are a secure, confined, dependency-free, cross-platform Linux packaging format. Software publishers often want to manage their application components using containers.

Celery worker is a simple, flexible, and reliable distributed system to process vast amounts of messages while providing operations with the tools required to maintain such a system. In this tutorial, we will learn how to implement Celery with Flask and Redis. Before we deep dive into the tutorial, let’s have a brief overview of Celery workers.

The article Healthchecks.io Hosting Setup, 2022 Edition was recently on Hacker News. I was answering questions in the comments section. Here’s a recap of some of the questions and my answers. I’ve edited some of the questions for clarity.

So far in this series, you have learned why it’s important to understand how to use the command line, some command line basics and shell commands, and all about running CLI-based applications and command line tools. In this part of our CLI intro series, you are going to learn the basics of customizing your shell user experience. In this part of the CLI intro series, we’re going to focus on.

Calico v3.23 is out, and with it a lot of new features! This release marks a long-awaited milestone for me and my team, as it includes the Calico VPP data plane (beta). So now seems to be a good time to reflect on what this integration actually is, and why we built it.

It’s funny how even today, in 2022, people still ask me if WordPress is a good choice for a high-traffic website. There are few website-building solutions on the internet as tested as WordPress. And brands like TechCrunch and The New Yorker wouldn’t be hosted on WordPress if traffic was an issue. But here’s the thing: WordPress is self-managed. As a result, you as an individual or organization using it for your business are responsible for monitoring your WordPress site.

At this point in my career, I’ve realized the responsibilities of database administrators (DBAs) and database reliability engineers (DBREs) can differ from company to company, from year to year, and even from quarter to quarter.

Site Reliability Engineers (SREs) have a considerable set of tasks to juggle no matter where they work or how long their company has had an SRE practice. But if you’re the very first SRE to join an organization – as many SREs are these days, given that the SRE trend is trickling down into smaller and smaller companies – you face a special group of challenges. You may find it difficult to get buy-in for SRE from other technical teams.