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.

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

In this tutorial, you will learn how to deploy NRPE agent as a Docker container. Docker containers have revolutionized how applications are deployed! They make

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

In this blog post, we will dive into Kubernetes disaster recovery strategies, backup and restore etcd, using etcdctl and etcdutl tools. Even the most robust

Experience Excellence: How AI Transforms Daily Interactions

Experience Excellence: How AI Transforms Daily Interactions

In terms of digital communication for businesses, AI technology is making a big impact on daily interactions. This guide will explore three key areas where

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based Virtual Machine) is an opensource, virtualization tool for Linux systems

Quickly Check If Linux System is Using BIOS or UEFI

Quickly Check If Linux System is Using BIOS or UEFI

Is your Linux system in BIOS or UEFI mode? Don’t worry, this guide will show you quick ways to check if Linux system is using

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

Dynamic ServiceAccount Tokens on OpenShift with OpenBao Kubernetes Secrets Engine

Stop Using Static Tokens: Dynamic ServiceAccount Tokens on OpenShift with OpenBao Kubernetes Secrets Engine

Static ServiceAccount tokens in CI/CD pipelines are one of the most common credential leak vectors on Kubernetes. They turn up in public GitHub commits, misconfigured

Install Prometheus on Linux

How to Install Prometheus on Ubuntu 24.04

In this guide, you will learn how to install Prometheus on Ubuntu 24.04. Prometheus is an open-source systems and service monitoring system. It collects metrics from configured

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 Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

How to install Portainer in Docker Desktop? In this tutorial, you will learn how to install Portainer Extension on Docker Desktop. Docker Desktop is a

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