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Distributed Tracing and Suspect Spans

At the root of every performance issue is, there is most often a single event that creates a domino effect of excruciatingly slow load times. With distributed tracing, we give you all the context to see what actually matters and help you solve what’s urgent faster. However in some cases, you might want or like really need a short cut. And this is where Suspect Spans come into play.

How certificates work in Puppet

This video gives you a basic introduction to certificates and explains how they’re used to secure Puppet communications. Certificates help to provide secure connections between different parts of your infrastructure as those parts communicate with each other. When you run the agent for the first time, it submits a CSR (Certificate Signing Request) to the primary server. Then the CSR is reviewed by the Puppet administrator and either accepted or denied.

KoolKits - Highly-opinionated, batteries-included Kubernetes debugging toolkits

KoolKits (Kubernetes toolkits) are language-specific container images that contain a (highly-opinionated) set of tools for debugging applications running in Kubernetes pods. You can read more about the motivation behind this project here. Those images are intended for use with the new kubectl debug feature, which spins up Ephemeral containers for interactive troubleshooting. A KoolKit will be pulled by kubectl debug, spun up as a container in your pod, and have the ability to access the same process namespace as your original container.

VirtualMetric Presents: Database Monitoring

VirtualMetric provides a powerful tool to observe your database performance and health. With VirtualMetric's tool, you can monitor #Database Transactions, Database Statistics, #PerformanceMetrics and #Inventory from a single dashboard. Drill down into detailed statistics to troubleshoot your database performance and optimize it. Ensure compliance and guarantee the security of stored data with advanced visibility across datasets.

Proactive Debugging with Offensive Programming

When bugs inevitably make their way into production firmware, defensive programming practices give you peace of mind that your devices will keep running despite issues occurring in the background. However, defensive programming can lead to more issues than it solves if not used carefully. Often the better approach to take is to use the practice of offensive programming, which will help surface issues more quickly and easily and help you iterate towards bug-free firmware and a better overall product experience.