Category Linux

Docker

Docker compose version is obsolete

Introduction Docker compose is widely used as the method to easily deploy docker applications. Docker compose uses .yaml or .yml files to declare the configuration. Previously this .yaml or .yml file included a “version:” statement. This “version:” statement is now…

NVIDIA GPU with Docker

Introduction In this blog post, we will explore how to leverage an NVIDIA GPU with Docker to supercharge your applications. Docker simplifies the deployment process by handling dependencies seamlessly. With the increasing demand for high-performance computing, more applications are utilizing…

Securing Proxmox with Authentik

Introduction In this how-to-guide we will be securing Proxmox with Authentik using the OAuth2/OpenID provider in Authentik. Proxmox Virtual Environment is an open-source server virtualization management solution based on QEMU/KVM and LXC. You can manage virtual machines, containers, highly available…

PostgreSQL

Upgrade PostgreSQL to a new version

In this guide I will explain how to upgrade postgresql to a new version. For example on the new Ubuntu 22.04 LTS version you get a message that PostgreSQL version 12 is obsolete. Before upgrading to the new Ubuntu version…