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.

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM and CPU usage. Just like

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

This tutorial provides a step-by-step guide on how to setup highly available Kubernetes cluster with Haproxy and Keepalived. For anyone managing critical containerized applications with

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Follow through this step by step guide to lean how to install VirtualBox Guest Additions on Wubuntu. After you have installed Wubuntu on VirtualBox, you

Install Brave on Ubuntu 24.04

Easiest Way to Install Brave on Ubuntu 24.04

What is the easiest and quickest way to install Brave on Ubuntu 24.04? This guide will provide easy steps to get Brave browser up and

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

How do I monitor Docker containers in Grafana? Well, in this tutorial, you will learn how to monitor Docker containers metrics using Grafana. Grafana is

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

In this blog post, we will take you through Kubernetes user management: creating users, groups and service accounts. Kubernetes came with one mission, to revolutionize

install openldap debian

Install OpenLDAP Server on Ubuntu 24.04

In this tutorial, you will learn how to install OpenLDAP Server on Ubuntu 24.04. OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol (LDAP), which is a lightweight client-server

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

ubuntu 24.04 RAID 1 and UEFI

Install Ubuntu 24.04 with UEFI and Software RAID 1

In this tutorial, we will guide you through the process to install Ubuntu 24.04 with UEFI and Software RAID 1. UEFI (Unified Extensible Firmware Interface)

zammad ticket system

Install Zammad Ticketing System on Debian 12

Welcome to our tutorial on how to install Zammad ticketing system on Debian 12. According to Zammad documentation page, “Zammad is a web based open

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