We benchmarked the overhead of OpenTelemetry in a high-load Go application and compared it to eBPF-based instrumentation. The results may surprise you - tracing adds cost, but it’s not always a dealbreaker

Email security is a key part of internet communication. But what are SPF, DKIM, and DMARC, and how do they work? This guide will explain it all in simple terms to make these concepts clearer. - nicanorflavier/spf-dkim-dmarc-simplified

After DHS did not renew its funding contract for reasons unspecified, MITRE’s 25-year-old Common Vulnerabilities and Exposures (CVE) program was slated for an abrupt shutdown on April 16, which would have left security flaw tracking in limbo. CISA stepped in to provide a bridge.

Open-source dev tools for enterprise SSO. Ship SAML + SCIM support this afternoon. - ssoready/ssoready

The latest news and resources on cloud native technologies, distributed systems and data architectures with emphasis on DevOps and open source projects.

Setting up a local grammar checker with Docker and LanguageTool is a fun project that keeps you in control of your content.

“What is the easiest way to securely connect tens of thousands of computers, hosted at multiple cloud service providers in dozens of locations around the globe?” If you want our answer, it’s Nebula, but I recommend that you read the rest of this short post before clicking that shiny link. At Slack, we asked ourselves this…

Researchers in Shanghai break record by factoring 22-bit RSA key using quantum computing, threatening future cryptographic keys.

Follow these best practices for using AWS Identity and Access Management (IAM) to help secure your AWS account and resources.

Keep track of where your money is going with HomeBank, the eighth in our series on open source tools that will make you more productive in 2019.

Interactive learning is the fastest way to learn a new technology. Because you're not just reading about it. You're also manipulating it in real time to discover how it works.

The Web Era arrives, the browser wars flare, and a bubble bursts.

Explore Boundary product documentation, tutorials, and examples.

Hurl, run and test HTTP requests with plain text and curl. Hurl can run fast automated integration tests.

To learn more, please visit: In this session, we explore how developers can design, develop, deliver, and monitor cloud applications as they take advantage o...

A collection of Free Public APIs for Students and Developers. Tested every single day.

A tool for exploring each layer in a docker image. Contribute to wagoodman/dive development by creating an account on GitHub.

Another day, another Linux-related drama. This time, it's OBS Studio and Fedora going at it.

An illustrated guide to explain OAuth and OpenID Connect!