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A 8-post collection

Page 1 of 2 Older Posts »

Customize the FlatCar Kernel - Part 3 - Easy Kernel Modules using Forklift

It’s been a while since I discussed building kernel modules for CoreOS (in Part 1 and Part 2) and lot’s has changed in the CoreOS world.... »

Author image Jason Kulatunga Flatcar, Github, Linux, Kernel 12 Dec 2020

Customize the CoreOS Kernel - Part 2 - Kernel SDK

After running into a roadblock while attempting to build the Intel I915 driver as a kernel module for CoreOS, it became clear that we would need... »

Author image Jason Kulatunga Homeserver, Coreos, Github, Linux, Kernel 02 Jan 2019

Customize the CoreOS Kernel - Part 1 - Kernel Modules

Story Time As a Devops & Infrastructure guy, I’m pretty comfortable with jumping into the unknown, be it infrastructure, architecture or application code. With a bit... »

Author image Jason Kulatunga Homeserver, Coreos, Github, Linux, Kernel 09 Dec 2018

Drawbridge - SSH Config management for Jump/Bastion hosts

In our architecture we have many environments (test/stage/prod/etc), and each environment can have one or more shards, usually broken up by datacenter/avaliablity zone (us-east-1, us-west-2, etc).... »

Author image Jason Kulatunga Devops, Automation, Github, Cloud, Aws, Jumphost, Bastion, Gce, Azure 30 Apr 2018

Jenkins Dockerized Slave Cluster - Premise

Here’s the premise, we have one or more Jenkins masters running our various jobs, and the server is bottlenecking: the UI is sluggish, and builds are... »

Author image Jason Kulatunga Devops, Automation, Github, Docker, Kubernetes, Openstack, Terraform, Jenkins, Cluster, Coreos 25 Mar 2018
Page 1 of 2 Older Posts »
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