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.

Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of this writing, Elastic Stack 9.0 is the current release. This

Install DokuWiki on Debian 11

Install DokuWiki on Debian 11

In this demo, we are going to learn how to install DokuWiki on Debian 11. DokuWiki is an opensource software written in PHP that allows users to

install openldap debian

Install OpenLDAP Server on Ubuntu 24.04

In this tutorial, you will learn how to install OpenLDAP Server on Ubuntu 24.04. OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol (LDAP), which is a lightweight client-server

Unlocking the Power of Brand Monitoring: Tools, Technology, and Techniques

In today’s fast-paced digital landscape, the success of a business hinges on its brand perception. Consumers have more options than ever, and a brand’s online

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster to a production-ready, zero-trust architecture.

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 and Setup OCS NG Inventory Server

Install OCS Inventory Server on Ubuntu 22.04|20.04

In this tutorial, you will learn how to install OCS Inventory Server on Ubuntu 22.04/Ubuntu 20.04. OCS (Open Computers and Software Inventory Next Generation) is

Move Linux OS Installation to Another Drive

How to Move Linux OS Installation to Another Drive

Have you ever wondered if you could move Linux OS installation to another drive? Well, yes, that is definitely possible. Moving a Linux installation to

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

In this tutorial, you will learn how to assign roles to users and groups in Kubernetes cluster. With Kubernetes becoming the de facto standard for

Install Duplicati Backup Client on Ubuntu 22.04

How to Install Duplicati Backup Client on Ubuntu 22.04

Are you looking to safeguard your data with a reliable backup solution? Look no further! This guide will walk you through the process of how

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