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.

encrypt ceph osd drive

How to Encrypt Data at Rest on Ceph Cluster OSD

In this tutorial, you will learn how to encrypt data at rest on Ceph Cluster OSD. Current release versions of Ceph now support data encryption

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. Managing tasks in a Kubernetes-based

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there is always a need to

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We are installing the VirtualBox Guest additions on AlmaLinux Desktop. Installing

Configure Docker Daemon for Remote Connections

Configure Docker Daemon for Remote Connections

Is it possible to connect Docker daemon running on remote host from local Docker client? Yes, this tutorial will take you through how to configure

How to Create Users and User Roles in OpenStack

How to Create Users and User Roles in OpenStack

In this tutorial, we’ll guide you through how to create users and user roles in OpenStack. User accounts are crucial for effective cloud management, allowing

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

This guide will take you through how to install and configure SSSD for Windows AD authentication on Ubuntu 24.04. SSSD (System Security Services Daemon) is

Install MariaDB 11 on Debian

Install MariaDB 11 on Debian 11/Debian 10

Follow through this guide to learn how to install MariaDB 11 on Debian 11/Debian 10. “MariaDB 11 is the new major release series of MariaDB. It

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

install zsh oh-my-zsh ubuntu

Install Zsh on Ubuntu 24.04

In this tutorial, we are going to learn how to install Zsh on Ubuntu 24.04. Zsh is a versatile UNIX shell with interactive login and

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