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Rushed Sourcing and ATS – The Technical Talent Trap

External Services Discovery With Prometheus ServiceMonitor

Kubernetes cert-manager Tutorial: How to Set Up Custom CA

Kubernetes cert-manager: How to for mTLS,CSI Driver and Helm

Memory Management – The Buddy Allocator

Regular Expressions Quick Guide

Vagrant – Installing and operating

JSON Web Token – JWT

SPC-3 Persistent Reservations and Fencing

Cryptography quick guide – understand symmetric and asymmetric cryptography and how to use it with OpenSSL

Product Management Methodologies – an overview of Agile and Lean

BASH Shell Scripting Quick Guide

Puppet agent on Red Hat Network Satellite Clients

Files: verifying checksums, comparing files and generating patches

Full featured C project managed by make and packaged as RPM

Register Clients To Satellite Server 6 Or Katello

Enable And Configure Ansible On Red Hat Network Satellite

Install Katello Using Ansible

Managing Red Hat Network Satellite Clients With Puppet

Install Foreman-Proxy Using Ansible

Managing Red Hat Network Satellite Clients With Ansible Roles And Playbooks

X window – display manager (remote XDMCP) and thin clients

X Window Tutorial – X Display Server HowTo And Cheatsheet

Wayland Tutorial – A Wayland HowTo

XML in a nutshell

JSON and jq in a nutshell

YAML in a nutshell

Sed – the Stream EDitor

The Ultimate AWK Tutorial For Professionals

A quick, easy yet comprehensive GPG tutorial

GIT Tutorial – A thorough Version Control with Git Howto

GIT Tutorial – A thorough Git Howto About Using Remotes

LVM Tutorial – A Thorough Howto On The Logical Volume Manager

Python Serialization as JSON or YAML exploiting YAML TAGS

Linux Console Essential – Virtual Terminals, Terminal Emulation and configuring locale

OpenSSH Tutorial – The Ultimate SSH Guide To Understand It

X509 Certificates Howto – A Public Key Infrastructure Tutorial

OpenSSL CA tutorial – A full-featured openssl PKI

Indirect CRL generation, CRL validation and OCSP validation

Free Range Routing (FRR) and OpenVSwitch on Oracle Linux

SDN tutorial – OpenFlow with OpenVSwitch on Oracle Linux

Setup a GENEVE tunnel with OpenVSwitch and Podman

SDD Template – Software Design Document For A Kubernetes Service

Cloudflare’s certmgr tutorial – a certmgr howto

Apache HTTPd With Mutual TLS and OCSP Stapling

Packaging a Python Wheel as RPM

Python Setup Tools

Python Full Featured Project

Installing Pulp3 as a container

Ansible Tutorial – Ansible Container Howto