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.

kubernetes secrets

How to Use Secrets in Kubernetes Applications

In this blog post, you will learn how to use Secrets in Kubernetes applications. In Kubernetes, managing configuration data and sensitive information securely is crucial

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 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

install gitlab linux

How to Install Gitlab on Ubuntu 24.04 with SSL/TLS

In this tutorial, you will learn how to install Gitlab on Ubuntu 24.04. GitLab is an open source end-to-end software development platform with built-in version control, issue

Storage Solutions for Traders For Efficient Trading Platforms

Storage Solutions for Traders For Efficient Trading Platforms

Every second, every decision and every piece of information can mean the divergence between a winning trade and a missed opportunity. The importance of optimal

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Welcome to our guide on configuring shared filesystem for Kubernetes on Rook Ceph Storage. In a Kubernetes cluster, the need for reliable and scalable storage

Install ownCloud Server

Install ownCloud Server on Debian 12

In this guide, we are going to learn how to install ownCloud Server on Debian 12. If you need to have your own self-hosted cloud

Enable RHEL 10 Repositories in Red Hat Satellite

Enable RHEL 10 Repositories in Red Hat Satellite: A Step-by-Step Guide

In this blog post, we’ll walk you through a step-by-step guide on how to enable RHEL 10 repositories in Red Hat Satellite, so you can

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.

The Smart Business Owner's Guide to Access Control and Biometric Security

The Smart Business Owner’s Guide to Access Control and Biometric Security

As a modern business owner, you understand the importance of keeping your premises secure. But in today’s digital world, protecting sensitive data and valuable assets

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