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.

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot filesystem is a critical task

reduce or shrink Physical Volume in Linux

How to Reduce or Shrink Physical Volume in Linux

How do I shrink physical volume in Linux? In this tutorial, you will learn how to reduce or shrink Physical Volume in Linux. In a

SSH to Remote Host via Multiple Jump Hosts

Securely SSH to Remote Host via Multiple Jump Hosts

In this comprehensive guide, we’ll walk you through the steps to securely SSH to remote host via multiple jump hosts. If you’re a system administrator

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible is an open-source automation tool used for configuration management, application

upgrading ubuntu 22.04 to ubuntu 24.04

Easily Upgrade Ubuntu 22.04 to Ubuntu 24.04

To easily upgrade Ubuntu 22.04 to Ubuntu 24.04, follow through this guide. Well, Ubuntu 24.04, code-named Noble Numbat is now available for testing with official

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

This tutorial provides a step-by-step guide on how to setup highly available Kubernetes cluster with Haproxy and Keepalived. For anyone managing critical containerized applications with

Upgrade Debian 11 to Debian 12

Quick Way to Upgrade Debian 11 to Debian 12

Are you looking for a quick way to upgrade Debian 11 to Debian 12? Look no further, this guide will take you through all the

Effective Apps For Writing Your Dissertation Or Thesis

Effective Apps For Writing Your Dissertation Or Thesis

Academic writing requires you to follow numerous rules on grammar, formatting, structure, and referencing, among others. These side activities may take all your time and

Install Request Tracker on AlmaLinux/Rocky Linux

Install Request Tracker on AlmaLinux/Rocky Linux

In this tutorial, you will learn how to install Request Tracker on AlmaLinux/Rocky Linux, step by step. Request Tracker (RT) is a powerful, open-source ticketing

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

In this blog post, we’ll cover OpenShift Builds and BuildConfig essentials, providing you with the fundamental knowledge and practical steps to create and manage builds