Kifarunix

DevOps Engineer and Linux Specialist with deep expertise in RHEL, Debian, SUSE, Ubuntu, FreeBSD... Passionate about open-source technologies, I specialize in Kubernetes, Docker, OpenShift, Ansible automation, and Red Hat Satellite. With extensive experience in Linux system administration, infrastructure optimization, information security, and automation, I design and deploy secure, scalable solutions for complex environments. Leveraging tools like Terraform and CI/CD pipelines, I ensure seamless integration and delivery while enhancing operational efficiency across Linux-based infrastructures.

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

In this guide, we will cover how to backup applications and persistent volumes in OpenShift with OADP. This is Part 2 of a three-part series

UK IT Support Statistics: What Do the Numbers Tell You?

UK IT Support Statistics: What Do the Numbers Tell You?

The United Kingdom is a tech-savvy nation. Every year, businesses and organisations in the UK invest billions of pounds into IT support services and technologies

How to Play Poker Online: A Complete Guide for Casual Players

Online poker is an exciting way to play the popular card game without leaving home. In Texas Hold’em, players are dealt two personal cards and

How VPNs Safeguard Your Online Presence

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

In today’s digital age, safeguarding your online privacy has become increasingly important. With the rise of cyber threats and the extensive tracking and surveillance practices

Revolutionize Your Employee Engagement With The Bites App

Revolutionize Your Employee Engagement With The Bites App

In the dynamic and fiercely competitive world of modern business, one truth remains constant: employee engagement is an indispensable cornerstone of any successful organization. As

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the latest iteration of Canonical’s renowned Linux distribution. As of this

Upgrade RHEL 8 to RHEL 9 using LEAPP

Upgrade RHEL 8 to RHEL 9 using LEAPP with Satellite Server Integration

In this tutorial, you’ll learn how to upgrade RHEL 8 to RHEL 9 using the LEAPP tool with Red Hat Satellite Server integration. Staying up

Dynamic ServiceAccount Tokens on OpenShift with OpenBao Kubernetes Secrets Engine

Stop Using Static Tokens: Dynamic ServiceAccount Tokens on OpenShift with OpenBao Kubernetes Secrets Engine

Static ServiceAccount tokens in CI/CD pipelines are one of the most common credential leak vectors on Kubernetes. They turn up in public GitHub commits, misconfigured

nagios docker

Deploy Nagios as a Docker Container

How to install Nagios core in Docker? In this tutorial, you will learn how to deploy Nagios as a Docker container. Nagios Core is an

Install MariaDB 11.x on Linux

How to Install MariaDB 11 on Ubuntu 24.04

Follow through this guide to learn how to install MariaDB 11 on Ubuntu 24.04. “MariaDB 11 is the new major release series of MariaDB. It ships

document.addEventListener("DOMContentLoaded", function() { document.querySelectorAll(".scroll-box").forEach(function(box) { box.style.position = "relative"; // Needed for absolute positioning of button var button = document.createElement("button"); button.className = "copy-icon-btn"; button.setAttribute("aria-label", "Copy code"); button.innerHTML = ''; box.appendChild(button); button.addEventListener("click", function() { var text = box.innerText; navigator.clipboard.writeText(text).then(function() { button.querySelector("svg").setAttribute("fill", "#4CAF50"); setTimeout(function() { button.querySelector("svg").setAttribute("fill", "white"); }, 1500); }).catch(function(err) { console.error("Copy failed: ", err); }); }); }); });