Docker Reverse Proxy

When it comes to (simple) web applications, then most of the time Docker is a perfect fit. However, as you begin to migrate your applications into Docker containers, you might ask yourself how to forward all the requests to the different containers. A Docker Reverse Proxy can help!

sysctl tuning on Linux

While most Linux Kernels nowadays come with nice sysctl defaults, there’s always room for improvement. Some parameters can be used for performance tuning, others can be critical for security hardening. What is sysctl? sysctl is an interface to view and dynamically change parameters in Linux and other *NIX operating systems. In Linux, most of the dynamic Kernel settings can be […]

TCP connection states

TCP is the abbreviation for Transmission Control Protocol. It is one of the core protocols in the internet protocol suite and provides a reliable protocol to communicate in computer networks. Nearly every Internet-connected device “talks” TCP and the whole Internet relies on it.

Docker Pull Deprecation for v1.5 clients

A while ago, Docker announced that Docker pull requests from version 1.5 and earlier clients will no longer function as of December 15. While push requests have been disabled since Nov 19, pull requests were disabled for the Docker Hub today as well.

Hands-on with the new Apple TV 4

The Apple TV is a digital set-top box and entertainment device developed by Apple. After Apple released it’s first version of the Apple TV in January 2007, the latest and 4th generation version was released on 30 October 2015.

Deploying SSL private keys with Ansible

When you’re using Ansible or any other configuration management tool, you might come in contact with deploying SSL certificates sooner or later. While deploying public SSL certificates isn’t a security issue at all, the deployment of private keys become more critical – at least if you want to deploy them securely.

Lab in a Box

As far as I can remember, I always was interested in technology and especially all kind of hardware gimmicks. This didn’t change at all and I’m still addicted to gadgets, besides that it might got a bit more expensive than when I was a young lad.