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.

modsecurity

Install ModSecurity 3 with Nginx on Debian 12

Welcome to our guide on how to install ModSecurity 3 with Nginx on Debian 12. Modsecurity is an open source, cross platform web application firewall

How to Setup a Local CA Server on Ubuntu

How to Setup a Local CA Server on Ubuntu

How do I set up a local certificate authority server on Linux? Well, in this tutorial you will learn how to setup a Local CA

zammad ticket system

Install Zammad Ticketing System on Ubuntu 22.04

Welcome to our tutorial on how to install Zammad ticketing system on Ubuntu 22.04. According to Zammad documentation page, “Zammad is a web based open

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

redhat satellite architecture and key features

Understanding Red Hat Satellite: A Detailed Guide to Its Architecture and Key Features

In this guide, we’ll explore what Red Hat Satellite is, its key features and how its architecture enables centralized control, automation, and scalability. Managing a

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

In this blog post, I’ll walk you through a flawless step-by-step guide on how to upgrade OpenShift Cluster, from pre-update preparation to post-upgrade validation. By

Useful Information You Should Know About Data Privacy

Useful Information You Should Know About Data Privacy

Staying safe online is something that’s becoming increasingly important, but how do you know if your data is really secure? From keeping track of our

install phpPgAdmin on Debian 12

Install phpPgAdmin on Debian 12

In this guide, you will learn how to install phpPgAdmin on Debian 12. phpPgAdmin is a web-based administration tool for PostgreSQL. Installing phpPgAdmin on Debian

docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Docker Hardened Images (DHI), launched on May 19, 2025, are revolutionizing software supply chain security as attacks are projected to cost businesses $60 billion in

How VPNs Safeguard Your Online Presence

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

In today’s digital age, safeguarding your online privacy has become increasingly important. With the rise of cyber threats and the extensive tracking and surveillance practices

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