Infra

Fix Zoom Screen Share Black Screen on Ubuntu

A quick fix for Ubuntu users whose Zoom screen sharing only shows “Whiteboard” in the basic sharing options, caused by Wayland …

ubuntu linux zoom

Create a Windows 11 USB Installer with Rufus

In this tutorial I will cover how to create a Windows 11 installation USB drive using Rufus portable edition.

boot windows install

Dotcom-Monitor Review: Website Monitoring

Your website goes down at 2 AM — do you find out from your users or from your monitoring tool? Dotcom-Monitor is a platform that watches …

monitoring review web

Drupal on Docker with mSMTP and Traefik Support

Overview In this tutorial I will share my Drupal on docker setup, for versions 6/8. The stack includes Drupal (with mSMTP), MariaDB, …

drupal docker linux

WordPress on Docker with mSMTP and Traefik Support

Overview In this tutorial I will share my WordPress on docker setup. The stack includes WordPress (with mSMTP), MariaDB, Adminer, Backup and …

docker wordpress linux

Firewalld Guide for CentOS

A practical guide to using firewalld on CentOS, covering how to manage built-in services, create custom service definitions, and configure …

firewall centos linux

Install Docker CE on CentOS 7

Overview In this tutorial I will show how to Setup Docker CE for CentOS 7. The default Docker version that comes with CentOS is very old and …

centos docker linux

Drupal on Docker with sSMTP and Traefik Support

sSMTP has been abandoned on the Ubuntu repository so please move to my mSMTP tutorial instead Overview In this tutorial I will share my …

drupal docker linux

Traefik Reverse Proxy for Docker

Traefik is a reverse proxy / load balancer that’s easy, dynamic, automatic, fast, full-featured, open source, production proven, …

docker linux traefik

WordPress on Docker with sSMTP and Traefik Support

sSMTP has been abandoned on the Ubuntu repository so please move to my mSMTP tutorial instead Overview In this tutorial I will share my …

docker wordpress linux

Set Up BIND DNS Server on CentOS 7

This tutorial provides an example how to Setup BIND DNS Server on CentOS 7. This example is suited for secure private networks behind a …

centos linux dns

Apache Active Directory Authentication

Overview This tutorial provides an example of Apache Active Directory Authentication using the Authz LDAP module. Apache and SSL settings …

apache centos linux

Basic SELinux Security Concepts

Overview A quick reference for essential SELinux commands and concepts, including enabling and disabling enforcement modes, relabeling …

linux security centos

Install FFmpeg on CentOS 7

FFMPEG CentOS 7 installation instructions In the next tutorial I will show you how to install FFMPEG on Centos 7…

centos ffmpeg linux

Install Apache Kafka on CentOS

Kafka CentOS Installation Instructions If you’re here, you’re probably knows what `Kafka` is and what it should be used for. If …

apache apache-kafka centos