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.

Install LibModsecurity with Apache on Debian 10

Install ModSecurity with Apache on Debian 12

In this tutorial, you will learn how to install ModSecurity with Apache on Debian 12. Modsecurity is an open source, cross platform web application firewall

Enable RHEL 10 Repositories in Red Hat Satellite

Enable RHEL 10 Repositories in Red Hat Satellite: A Step-by-Step Guide

In this blog post, we’ll walk you through a step-by-step guide on how to enable RHEL 10 repositories in Red Hat Satellite, so you can

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

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

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

In this guide, you will learn how to deploy an OpenShift cluster using Agent-based installer. Last month, I spent three days debugging a failed OpenShift

Add Compute Nodes into OpenStack using Kolla-Ansible

Add Compute Nodes into OpenStack using Kolla-Ansible

Is it possible to add compute nodes into OpenStack using Kolla-Ansible? Yes, definitely. In this step-by-step guide, you will learn how to add compute nodes

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

This guide provides a foundational understanding of Kubernetes Kustomize. It will introduce you to Kustomize’s core concepts and the basics. With more organizations increasingly adopting

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

In this blog post, we will discuss how you can control OpenShift pod permissions with SCCs and service accounts. Have you ever deployed an app

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

In this blog post, you will learn how to enable user workload monitoring in OpenShift 4.20 and empower developers to monitor their own applications. User

install keepalived on ubuntu 24.04

How to Install Keepalived on Ubuntu 24.04

What is the easiest way to install Keepalived on Ubuntu 24.04? In this tutorial, we will cover different ways you can use to install Keepalived

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