An overview of common Linux tools part of the toolbox of system administrators and security professionals. With in-depth details and comparisons of each tool.

In my article detailing the command line utilities available for configuring and troubleshooting network properties on Windows and Linux, I mentioned some Linux tools that, while still included and…

List of 30 interesting commands and tips for the Linux shell that I have collected over the years.

I love helping people learn new things and this is what I’ve been doing during the last years ! It’s not just my job but a passion.

Server-less 101

If CoreDNS had existed when I wrote Alternative DNS Servers I’d have included it; it’s quite a versatile beast.

CoreDNS was created by Miek Gieben, and he tells me there was a time during which Co...

Earlier this year, Amazon’s AWS group said that it was working on bringing instance types with between 4 to 16TB of memory to its users. It’s now starting to fulfill this promise as the…

When in hurry, especially in startups, people will always choose the general purpose instance type of AWS EC2 virtual machines.. True Fact…

DNS servers optionally log queries on demand by formatting a message and storing that in a file, sending it through syslog, etc. This is an I/O-intensive operation which can dramatically slow down ...

What do you do when you need an isolated, development environment? Did you say something like: virtualization tool (VMWare)?

The main goal of DevOps is quite simple: ship software updates frequently, reliably, and with better quality, according to an expert from Shippable.

Some Learnings while running Kubernetes locally

As a developer, I find manual software installations, typing long command in shells repetitively , endless Alt+Tabs to switch between one…

A few weeks ago we started a series aimed at digging deeper into JavaScript and how it actually works: we thought that by knowing the…

Learn how to use the kubectl command line to create objects and interact with the Kubernetes API.

Kubernetes can be an ultimate local development environment particularly if you are wrangling with a large number of microservices. In this post, we will cover how you can create a local development workflow using Minikube and tools such as Make to iterate…

Find out how to reduce the complexities of serverless architecture by using the ELK Stack as a centralized logging solution.

Learn about multi-OS/hybrid clusters with Docker - how to create them, why they're important and see it in action with the OpenFaaS serverless framework.