Fix the apt-key deprecation error in Linux
Fix the apt-key deprecation error in Linux Chris Hermansen Fri, 09/16/2022 – 03:00 This morning, after returning home from a mini vacation, I decided to run apt update and apt upgrade from the command line just to see whether there had been any updates while I was offline. After issuing the update command, something didn’t seem quite right; I was seeing messages along the lines of: W:...
24 of our favorite articles in a downloadable eBook
24 of our favorite articles in a downloadable eBook Lauren Pritchett Thu, 09/15/2022 – 03:00 One day in March of 2020, a few of my Opensource.com teammates and I grabbed lunch to talk about how we would work from home for the next couple of weeks until this pandemic got nipped in the bud. At the end of the work day, I packed up my laptop and walked out the door of our office building. Several months later, we were all still...
How I switched from Docker Desktop to Colima
How I switched from Docker Desktop to Colima Michael Anello Thu, 09/15/2022 – 03:00 DDEV is an open source tool that makes it simple to get local PHP development environments up and running within minutes. It’s powerful and flexible as a result of its per-project environment configurations, which can be extended, version controlled, and shared. In short, DDEV aims to allow development teams to use containers in their workflow...
3 steps to protect your home network
3 steps to protect your home network Seth Kenlon Wed, 09/14/2022 – 03:00 The typical setup for Internet connectivity today is for your home to have a router, usually a little physical box located somewhere in your house, that acts as a gateway to the rest of the world. The router creates a local network, and you connect your devices to it, including your computer, mobile, TV, game console, and anything else that needs to connect...
Packaging Job scripts in Kubernetes operators
Packaging Job scripts in Kubernetes operators Bobby Gryzynger Wed, 09/14/2022 – 03:00 When using a complex Kubernetes operator, you often have to orchestrate Jobs to perform workload tasks. Examples of Job implementations typically provide trivial scripts written directly in the manifest. In any reasonably-complex application, however, determining how to handle more-than-trivial scripts can be challenging. In the past,...
How I troubleshoot swappiness and startup time on Linux
How I troubleshoot swappiness and startup time on Linux David Both Tue, 09/13/2022 – 03:00 I recently experienced another interesting problem in the Linux startup sequence that has a circumvention–not a solution. It started quite unexpectedly. I was writing a couple of articles while making some updates to my personal copy of my series of books, “Using and Administering Linux: Zero to SysAdmin.” I had four instances...
