For my own company MySocialApp, I’m managing multiple Cassandra clusters on top of a Kubernetes on premise cluster. For those who never heard of this distributed database, here is the summary from the official website:
The Apache Cassandra database is the…

Hi all, in this article, I will explain to you how to setup Selenium Grid with Rancher on AWS. First we need to create an AWS account, for…

This blog helps enterprise decision-makers understand the emerging technologies

Even casual observers of the cryptocurrency space can see that the massive hype cycle in 2017 has subsided quite a bit and we’re in a down…

Python is booming in popularity. It is used in DevOps, Data Science, Web Development and Security.

📦 minimal Ubuntu for containers, with curl and support for TLSv1.3 - Blitznote/debase

Kubernetes-in-Docker - A single node cluster to run your CI tests against thats ready in 30 seconds - GitHub - bsycorp/kind: Kubernetes-in-Docker - A single node cluster to run your CI tests agains...

Prometheus exporter for tracking network connections - hiveco/conntrack_exporter

Turn repositories into Jupyter-enabled Docker images - GitHub - jupyterhub/repo2docker: Turn repositories into Jupyter-enabled Docker images

Continuous Delivery from GitHub to your Kubernetes cluster - manifoldco/heighliner

ecsopera - AWS ECS Container Orchestration Tooling to update and resize container instances

Micro container runtime. Contribute to rabbitstack/rabbitc development by creating an account on GitHub.

Terraform Pull Request Automation. Contribute to runatlantis/atlantis development by creating an account on GitHub.

There are many ways to automate common sysadmin tasks with Ansible. Here are several of them.

FirewallD is a complete firewall solution that manages the system's iptables rules and provides a D-Bus interface for operating on them. In this tutorial, we show you how to set up a firewall with FirewallD on your CentOS 7 system and explain you the basic…

Kubernetes security has come a long way since the project's inception, but still contains some gotchas. Starting with the control plane, building up through workload and network security, and finishing with a projection into the future of security, here is…

When you design and build applications at scale, you deal with two significant challenges: scalability and robustness.

This blog post describes the CPU Manager, a beta feature in Kubernetes. The CPU manager feature enables better placement of workloads in the Kubelet, the Kubernetes node agent, by allocating exclusive CPUs to certain pod containers.
Sounds Good! But Does…