Logs are an essential aspect of server and application management. They help identify issues, troubleshoot problems, and monitor performance. However, with multiple servers and applications like VPN, DNS, HAProxy, or Home Assistant running, monitoring logs can become a challenging task. Especially when analyzing requests through multiple Docker microservices. This is Read more…
The High Availability (HA)Proxy is an open-source very fast and reliable reverse proxy and load balancer. Over the years it has become a state of the art open-source product and is often deployed by default on popular cloud platforms. Basic Setup with Health Endpoint and Statistic Page For a first Read more…
Recently I was informed about some java.lang.OutOfMemoryError: Java heap space issue found in one of our application logs.
To share some insight on how I handled and localized the issue, this post summarizes some basics to discover possible memory leaks using Eclipse Memory Analyzer.
A Virtual Private Network (VPN) is used to extend an existing private network across the internet (public network). VPN enables connected devices all over the world to interact through an encrypted connection as if they were connected directly to the private network. Undoubtedly this opens several obvious advantages. Therefore, it’s Read more…
There are several reasons to use a private DNS-Server within a network.
This post is about how to set up a private DNS-Server based on Pi-hole and using Docker. Pi-hole is a very lightweight, scalable, robust, open-source software that provides a beautiful and responsive web interface to control the DNS-Server and view statistics.
In this blog post, I provide a basic guide on how to become a Kubernaut and set up your own Kubernetes Cluster. Kubernetes (K8s) … is Greek for helmsman or captain. And this is what Kubernetes is about – Shipping your containerized applications. Kubernetes is a system for automating deployment Read more…