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 etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Follow through this guide to learn how to easily install etcdctl on Kubernetes cluster. Kubernetes cluster relies on etcd, a distributed key-value store, to store

install gitlab linux

How to Install Gitlab on AlmaLinux 10 with Let’s Encrypt SSL

In this tutorial, you will learn how to install Gitlab on AlmaLinux 10. GitLab is an open source end-to-end software development platform with built-in version control, issue

Cybersecurity In The Home: 3 Steps Households Can Take

Cybersecurity In The Home: 3 Steps Households Can Take

Millions of Americans have been forced to work from home since the COVID-19 pandemic hit – a thought most had limited or no experience with

install and setup openvpn server in Linux

How to Install OpenVPN Server on Ubuntu 24.04

In this guide, you will learn how to install OpenVPN Server on Ubuntu 24.04. OpenVPN is a robust and highly flexible open-source VPN software that uses all

What is the Best Way to Invest in Cryptocurrency?

What is the Best Way to Invest in Cryptocurrency?

Today the market of digital assets hosts over 20 000 different cryptos: coins, tokens, NFTs, DeFi tokens, etc. To buy crypto online, investors use crypto

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

Install and Setup OCS NG Inventory Server

Install OCS Inventory Server on Debian 12/Debian 11

In this tutorial, you will learn how to install OCS Inventory Server on Debian 12/Debian 11. OCS (Open Computers and Software Inventory Next Generation) is

Check SSL Certificate Expiry Date from Certificate File

Check SSL Certificate Expiry Date from Certificate File

How to check SSL certificate expiration date command line? In this guide, you will learn how to check SSL certificate expiry date from the certificate

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

This tutorial provides a comprehensive guide on understanding deployments in Kubernetes. Deployments in Kubernetes play a crucial role in managing containerized applications, ensuring scalability, availability,

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