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.

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

In this blog post, I’ll walk you through a flawless step-by-step guide on how to upgrade OpenShift Cluster, from pre-update preparation to post-upgrade validation. By

Integrate Request Tracker (RT) with Active Directory for Authentication

Integrate Request Tracker (RT) with Active Directory for Authentication

In this guide, you will learn how to integrate Request Tracker (RT) with Active Directory for authentication. Request Tracker is a powerful, open-source ticketing system

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

wubuntu

Install Wubuntu Linux on VirtualBox

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to wubuntu.org; Wubuntu – Linux with Windows appearance, without any hardware

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

In this blog post, you’ll learn how to patch sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX to secure your Linux infrastructure against critical privilege

zammad ticket system

Install Zammad Ticketing System on Ubuntu 22.04

Welcome to our tutorial on how to install Zammad ticketing system on Ubuntu 22.04. According to Zammad documentation page, “Zammad is a web based open

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source automation tool used for configuration

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. Nagios provides enterprise-class Open Source IT monitoring, network monitoring, server and

linux

The small but enthusiastic Linux gaming scene in Australia

For many avid gamers who prefer using Linux as their operating system of choice, playing many of the latest video games can often be quite

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission impossible task, but it is

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