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 and Setup PowerDNS Admin on Ubuntu 22.04

Install and Setup PowerDNS Admin on Ubuntu 22.04

In this tutorial, you will learn how to easily install and setup PowerDNS Admin on Ubuntu 22.04. PowerDNS Admin is a web administrative interface for

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Follow through this step by step guide to lean how to install VirtualBox Guest Additions on Wubuntu. After you have installed Wubuntu on VirtualBox, you

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

How to Clone VPS Server on Hetzner Cloud

How to Clone VPS Server on Hetzner Cloud

Is there a way to clone VPS server on Hetzner cloud with out downtime? yes, of course. If you didn’t discover the incredible potential of

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there is always a need to

Install LAMP Stack

Install LAMP Stack on Ubuntu 24.04

Welcome to our guide on how to install LAMP Stack on Ubuntu 24.04. As you already know, LAMP is a group of opensource web development

set up PXE boot server on Ubuntu 24.04

How to Set Up PXE Boot Server on Ubuntu 24.04: Step-by-Step Guide

In this tutorial, you will learn how to set up PXE boot server on Ubuntu 24.04. Setting up a PXE (Preboot Execution Environment) boot server

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

4 Ways Website Data Collection Can Help Improve Your Business

4 Ways Website Data Collection Can Help Improve Your Business

You’ve probably discovered that many of your competitors already use data to achieve various goals. Should you start your own website data collection initiative or

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

In this blog post, we will run through how to set up alerting in OpenShift 4. After configuring monitoring and persistent storage in our previous

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