Simple checklist to help you deploying the most important areas of the GNU/Linux production systems - work in progress.

Dovecot tools

Email security is a key part of internet communication. But what are SPF, DKIM, and DMARC, and how do they work? This guide will explain it all in simple terms to make these concepts clearer.

MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.

AntiVirus Evasion Tool

Ansible playbook for a Debian-based Patroni HA PostgreSQL cluster

library documents for development

Mastering Python Scripting for System Administrators, published by Packt

Practical Ethical Hacking Labs 🗡🛡

A collection of handy Bash One-Liners and terminal tricks for data processing and Linux system maintenance.

Some builders for some flists. Move on

⚡ From finding text to search and replace, from sorting to beautifying text and more 🎨

flannel is a network fabric for containers, designed for Kubernetes

PostgreSQL Audit Extension

A script to enable or disable a site in nginx.

Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.

Kubernetes application example tutorials

Deliberate exercises for Kubernetes

Files for the Zelda in python tutorial

A roadmap to become a linux admin. Improve your knowledge!

Content for DiveInto.com's 'Dive Into Ansible' Course

Simple Python Flask web application designed for running in containers for demos