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Postage-Stamp Linux
We’ve come a long way from the early days of big iron, and few things demonstrate that better than Microchip’s new SAMA5D27. What’s a...
Kubernetes Federation in a Post-Configuration Management Universe
When containerization was young, one of its early principles was the ideal of immutable infrastructure, the ability to build a support structure for a container that...
Postmortem of GitLab Database Outage of January 31
On January 31st 2017, we experienced a major service outage for one of our products, the online service GitLab.com. The outage was caused by...
Blocking of International Spam Botnets with a Postfix Plugin
This article contains an analysis and solution for blocking of international SPAM botnets with on postfix mail servers by using a postfwd plugin which...
What You Need to Know About the Tech Pay Gap and Job Posts
There’s a long tradition in which employers ask candidates in job posts and applications for salary requirements or for their salary history. The practice...
5 Ways to Hone your Production Incident Postmortems
I’ve messed up many times, as has everyone else on my team. There have been outages, oversaturated content, and frustrated users. We’ve put out...
Writing Your First Postmortem
I’m one of the operators of Wonderland, Jimdo’s in-house PaaS for microservices.
Two weeks ago, on September 5, I did something embarrassing at work.
We were debugging...
CloudNativeDay Brings Containers, Microservices, PostgreSQL, Mantl.io, OpenWhisk and More
The first cloud native-focused event hosted by The Cloud Native Computing Foundation will gather leading technologists from open source cloud native communities in Toronto...
Destress Your Mail Server with Postfix Troubleshooting Tips: Part 2
As I discussed in the previous article, it’s clearly important to know when your trusty mail transfer agent (MTA) is struggling to perform its...