Operations | Monitoring | ITSM | DevOps | Cloud

CVE-2021-38379 & CVE-2021-36756

The CFEngine engineering team has recently discovered two security issues in the CFEngine Enterprise product: While the latter one (CVE-2021-36756) only affects CFEngine Enterprise deployments using the Federated Reporting functionality, the former one (CVE-2021-38379) affects all deployments running all supported versions of CFEngine Enterprise (and many unsupported versions, 3.5 or newer, to be more precise).

How Debian Cron Handles DST Transitions

When the Daylight saving time starts, and the computer’s clock jumps forward, what does cron do? If the clock jumps from 1AM to 2AM, and there is a job scheduled for 1:30AM, will cron run this job? If yes, when? Likewise, when the Daylight saving time ends, and the clock jumps backward, will cron possibly run the same scheduled job twice? Let’s look at what “man cron” says.

What is Core Web Vitals and How to Monitor It

It used to be simple to improve the performance of a website. However, the introduction of client-side JavaScript has opened up a whole new world of ways for websites to be painfully slow. Measuring this increased slowness will require the development of new measurements. They're known as the Core Web Vitals by Google. Google announced Core Web Vitals in May 2020, a set of three indicators that serve as the gold standard for evaluating a website's user experience.

Is it a ghost or is it Flow Designer?

Maybe it’s the time of year or the change in temperature, but sometimes using xMatters Flow Designer can seem a little… spooky? Maybe it’s the unlimited capability it offers, or maybe it’s that it can make changes for you without you being aware they’re taking place. But every once in a while, we’re not sure if we’ve just set up workflows too effectively, or that something a touch paranormal is happening with xMatters.

Forecasting Kubernetes Costs

The benefits of containerizing workloads are numerous and proven. But, during infrastructure transformations, organizations are experiencing common, consistent challenges that interfere with accurately forecasting the costs for hosting workloads in Kubernetes. Planning the proper reservations for CPU and memory before migrating to containers is a persistent issue Densify observes across our customers.

Adding Mac support, part 1: I've never used a Mac, and now I need to manage them

Being in IT can sometimes feel a bit like being a doctor—you’re often called upon to give people the bad news that their beloved computer isn’t going to make it. Other times, people think you’ve performed a miracle just by doing your job and saving their data. Then, there’s the Thanksgiving problem, where any time you’re at a family gathering, you get cornered by a relative wanting to talk about their tech problems, regardless of your actual area of expertise.

How Changelog monitors and optimizes website performance with Grafana Cloud

Developers around the world get their news from Changelog, an indie media company on a mission to create inspiring content for software developers. Through their popular podcasts, including The Changelog, Go Time, JS Party, and Ship It!, the team at Changelog helps listeners stay up-to-date on the latest happenings, trends, and tools in a constantly evolving industry.

What Is an OTEL Collector?

The primary goal of OpenTelemetry (OTEL) is to offer vendor-neutral ways of application instrumentation such that customers are able to switch between Telemetry backends. There are three main components of OpenTelemetry: OpenTelemetry SDK, OpenTelemetry API, and OpenTelemetry Collector. In this blog, we will be covering the architecture, deployment, and best practices of consuming an OTEL collector.