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.

Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

This tutorial serves as an introduction to Kubernetes: What is it and why do you need it? If you are into containers, there are high

Cybersecurity Degrees: Nurturing the Next Generation of Cyber Defenders

When it comes to cybersecurity qualifications, the importance of degrees and a clear understanding is what helps to identify what a person can do. The

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

In this tutorial, you will learn how to deploy WordPress using Docker compose. In an ever-evolving digital landscape, where websites serve as essential touch-points for

Install MinIO Object Storage Server on RHEL 9

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

In this tutorial, you will learn how to install MinIO on Ubuntu 24.04 server. MinIO is a high-performance, open-source object storage server that is compatible

Configure Host-Based Access Control on FreeIPA Server

Configure Host-Based Access Control on FreeIPA Server

Follow through this guide to learn how to configure host-based access control on FreeIPA server. If you are using FreeIPA to manage authentication, you might

Configure Filebeat 8 to Write Logs to Specific Data Stream

Configure Filebeat 8 to Write Logs to Specific Data Stream

This guide will take you through how to configure Filebeat 8 to write logs to specific data stream. Are you collecting logs using Filebeat 8

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

In this tutorial, you will learn how to assign roles to users and groups in Kubernetes cluster. With Kubernetes becoming the de facto standard for

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 VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on Linux Mint 21. VirtualBox guest additions consist of device drivers

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