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.

How to Start Stop or Restart Ceph Services

How to Start Stop or Restart Ceph Services

In this tutorial, you will learn how to start stop or restart Ceph Services. Ceph is a distributed storage system that provides object storage, block

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.

What OS you should choose for dedicated server?

What OS you should choose for dedicated server?

When it stands the task of configuring your dedicated server, it’s essential to consider the hardware and network settings. Among the important aspects of server

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

This tutorial provides a step-by-step guide on how to setup highly available Kubernetes cluster with Haproxy and Keepalived. For anyone managing critical containerized applications with

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

In this guide, we will explain OpenShift Security Context Constraints (SCCs) in simple terms. SCCs are essential components of OpenShift that help keep cluster containers

reduce or shrink Physical Volume in Linux

How to Reduce or Shrink Physical Volume in Linux

How do I shrink physical volume in Linux? In this tutorial, you will learn how to reduce or shrink Physical Volume in Linux. In a

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one of the deployment methods provided

install openldap debian

Install and Setup OpenLDAP on Rocky Linux 9

In this guide, we provide a step by step tutorial on how to install and setup OpenLDAP on Rocky Linux 9. Installing OpenLDAP on Rocky

Where to Sell CS:GO Skins in 2023

Where to Sell CS:GO Skins in 2023

You’ve probably heard of people making thousands of dollars from selling CS:GO skins and thought to yourself, “Hey! I could do that”. Well, bucko, it

CentOS to RHEL Migration

Easily Convert Rocky Linux to RHEL using Convert2RHEL Tool

This guide provides step-by-step instructions on how to easily convert Rocky Linux to RHEL using Convert2RHEL tool. Rocky Linux emerged in December 2020 after Red

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