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DevOps

The latest News and Information on DevOps, CI/CD, Automation and related technologies.

Segfaults in Golang with Cgo

I started the new GuardianDevOps service to share my expertise with other engineers. I was thrilled to find an internal problem to work on as the inaugural session! Only a single day after I decided to start this service, a Blue Matador customer noticed some repetitive alerts from our agent heartbeat. I was excited to join the fray with Keilan, one of our talented engineers, and fix the problem for our customers.

Comparing Kubernetes CNI Providers: Flannel, Calico, Canal, and Weave

Network architecture is one of the more complicated aspects of many Kubernetes installations. The Kubernetes networking model itself demands certain network features but allows for some flexibility regarding the implementation. As a result, various projects have been released to address specific environments and requirements.

The Lazy Programmer's Guide to Web Scrapers

I am a proud lazy programmer. This means that if I can automate a task, I will absolutely do it. Especially if it means I can avoid doing the same thing more than once. Luckily, as an engineer, my laziness is an asset - because this week, it led me to write an HTML scraper for our Changelog, just so I wouldn’t have to manually update the Changelog feed on our new app homepage (btw, have you seen our new app homepage? It’s pretty sweet).

Preserve Referenced Images When Deleting AMI Images

As your AWS usage grows, so will your stockpile of EBS snapshots and AMI images. Many of these are used for backups, while others are used to launch EC2 instances from Auto Scaling groups and EC2 launch templates. As your collection of AMI images grows, you will need to start rotating out the old AMI images.

Online Meetup: Introducing Submariner -- Multi-Cluster Networking for Kubernetes

As more organizations benefit from the increased availability and security offered by multi-cluster Kubernetes, the release of Submariner now enables containers in different clusters to establish a direct network connection with each other.