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 PostgreSQL 15 on Debian 12

Install PostgreSQL 15 on Debian 12

Learn how to install PostgreSQL 15 on Debian 12 using this comprehensive step-by-step tutorial. PostgreSQL is a fully featured object-relational database management system. It supports

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

How can you install Resource usage extension on Docker desktop? In this guide, you will learn how to install Docker Resource Usage extension. Being able

Automate OS Upgrades using infra.leapp Playbooks

Automate RHEL OS Upgrades using Ansible infra.leapp Playbooks

In this blog post, you’ll learn how to automate RHEL OS upgrades using Ansible infra.leapp playbooks, simplifying the upgrade process for Red Hat Enterprise Linux

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

This tutorial serves as a guide to mastering Kubernetes Autoscaling. We’ll explore the two main techniques of Kubernetes scaling: horizontal scaling and vertical scaling. Horizontal

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

In this guide, we’ll walk you through the step-by-step process of how to safely upgrade kubeadm Kubernetes cluster. Upgrading a Kubernetes cluster that was originally

install haproxy on ubuntu

Install and Configure HAProxy on Ubuntu 24.04

This blog post guides you through how to install and configure HAProxy on Ubuntu 24.04 server. HAProxy (High Availability Proxy), as you might already be

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

In this blog post, we will take you through Kubernetes user management: creating users, groups and service accounts. Kubernetes came with one mission, to revolutionize

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

integrate openstack with ceph storage cluster

Part 2: Integrate OpenStack with Ceph Storage Cluster

This is the part 2 of our tutorial on how to integrate OpenStack with Ceph Storage cluster. In cloud computing, OpenStack and Ceph stand as

How to Enable Self-Service Password Reset in Request Tracker (RT)

How to Enable Self-Service Password Reset in Request Tracker (RT)

In this tutorial, you will learn how to enable self-service password reset in Request Tracker (RT). By default, RT doesn’t ship with a built-in password