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.

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

What is the difference between Kubernetes kubectl drain and kubectl cordon commands? Well, keeping your Kubernetes cluster healthy and running smoothly requires regular maintenance on

install phpPgAdmin on Debian 12

Install phpPgAdmin on Debian 12

In this guide, you will learn how to install phpPgAdmin on Debian 12. phpPgAdmin is a web-based administration tool for PostgreSQL. Installing phpPgAdmin on Debian

install java

Install Java 17 LTS on Debian 12

This is a step by step guide on how to quickly install Java 17 LTS on Debian 12. Installing Java 17 LTS on Debian 12

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox is a general-purpose full virtualizer for x86 hardware, targeted at

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based Virtual Machine) is an opensource, virtualization tool for Linux systems

install gitlab linux

How to Install Gitlab on Rocky Linux 10 with Let’s Encrypt SSL

In this tutorial, you will learn how to install Gitlab on Rocky Linux 10. GitLab is an open source end-to-end software development platform with built-in version control,

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server on Ubuntu 24.04. Nagios, now known as, Nagios Core, is

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

nstall and configure xrdp server on AlmaLinux 10

Install and Configure xrdp Server on AlmaLinux 10

In this tutorial, you will learn how to install and configure xrdp server on AlmaLinux 10, enabling remote desktop access. Whether your system is a

How To Resolve The Overheating Issue On Your Samsung Galaxy S23?

How To Resolve The Overheating Issue On Your Samsung Galaxy S23?

Greetings, Samsung S23 Ultra users! Do you know what it’s like to have your phone overheat? When you’re in the midst of something crucial and

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