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 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

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two key state concepts: Declared State

Install and Setup VeraCrypt on Linux Mint

Install and Setup VeraCrypt on Linux Mint 21

In this guide, we are going to learn how to install and setup VeraCrypt on Linux Mint 21. VeraCrypt, a fork of TrueCrypt, is a

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

In this guide, you will learn how to automate OpenShift Builds with Git webhooks. Automating builds in OpenShift with Git webhooks streamlines your CI/CD pipelines,

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing VirtualBox 7 on Ubuntu 24.04 Desktop VirtualBox Features Overview VirtualBox

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

Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

If you are about to create your first CloudBees CI managed controller on OpenShift and plan to “turn on HA later,” check your storage configuration

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

In this tutorial, you’ll learn how to install and set up Active Directory on Windows Server 2025, including how to enable LDAPS for secure communication

ceph higly available admin node

How to Setup Ceph Admin Node in High Availability

In this tutorial, you will learn how to setup Ceph Admin node in high availability. In most setups, Ceph cluster usually runs with a single

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to upgrade ELK Stack 7.x to ELK Stack 8.x. ELK/Elastic 8

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