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.

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible is an open-source automation tool used for configuration management, application

Install MariaDB 11 on Ubuntu 22.04/Ubuntu 20.04

Install MariaDB 11 on Ubuntu 22.04/Ubuntu 20.04

Follow through this guide to learn how to install MariaDB 11 on Ubuntu 22.04/Ubuntu 20.04. “MariaDB 11 is the new major release series of MariaDB. It

Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to use custom index. Elastic Beats come packaged with sample Kibana

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

Welcome to our tutorial on how you can utilize Kubernetes Ingress to manage external access to your Kubernetes services. Kubernetes Ingress is a powerful tool

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

Safely Remove Compute Node from OpenStack Deployment

Safely Remove Compute Node from OpenStack Deployment

How can I safely remove compute node from OpenStack deployment? When it comes to managing an OpenStack deployment, ensuring the safe removal of a compute

Setup a Three-Node Kafka KRaft Cluster

Setup a Three-Node Kafka KRaft Cluster for Scalable Data Streaming

In this step-by-step guide, we will walk you through the process of how to setup a three-node Kafka KRaft cluster for scalable data streaming. Building

What is the Best Way to Invest in Cryptocurrency?

What is the Best Way to Invest in Cryptocurrency?

Today the market of digital assets hosts over 20 000 different cryptos: coins, tokens, NFTs, DeFi tokens, etc. To buy crypto online, investors use crypto

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

This tutorial provides a comprehensive guide on understanding deployments in Kubernetes. Deployments in Kubernetes play a crucial role in managing containerized applications, ensuring scalability, availability,

Generate Wildcard SSL Certificates for Elasticsearch

Generate Wildcard SSL Certificates for Elasticsearch

Is there an easy way to generate wildcard SSL certificates for Elasticsearch? Yes, definitely. The current Elasticsearch releases, Elasticsearch 8.x, when installed, the HTTP and