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.

Upgrade RHEL 9 to RHEL 10 using LEAPP Tool

Upgrade RHEL 9 to RHEL 10 using LEAPP Tool

In this tutorial, you’ll learn how to upgrade RHEL 9 to RHEL 10 using the LEAPP tool with Red Hat Satellite Server integration. Staying up

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source automation tool used for configuration

Add Compute Nodes into OpenStack using Kolla-Ansible

Add Compute Nodes into OpenStack using Kolla-Ansible

Is it possible to add compute nodes into OpenStack using Kolla-Ansible? Yes, definitely. In this step-by-step guide, you will learn how to add compute nodes

nagios docker

Deploy Nagios as a Docker Container

How to install Nagios core in Docker? In this tutorial, you will learn how to deploy Nagios as a Docker container. Nagios Core is an

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot filesystem is a critical task

login with freeipa client

Install and Configure FreeIPA Client on Ubuntu 24.04

In this tutorial, you will learn how to install and configure FreeIPA client on Ubuntu 24.04. With FreeIPA client, you can be able to authenticate

rescue openstack instance

Rescue OpenStack Instance using SystemRescue Image

In this tutorial, you will learn how to rescue OpenStack instance using SystemRescue image. According to SystemRescure Homepage; SystemRescue (formerly known as SystemRescueCd) is a

How To Establish A Solid Foundation for Data Security, Privacy, and Confidential

How To Establish A Solid Foundation for Data Security, Privacy, and Confidential

As the business world increasingly moves online, establishing a solid foundation for data security, privacy, and confidentiality is more important than ever. You can help

How to Configure Apache Tomcat with HTTPS

How to Configure Apache Tomcat with HTTPS

Is it possible to configure Apache Tomcat to run over HTTPS? Yes, this guide provides a step by step tutorial on how to configure Apache

Install and Setup PowerDNS on Ubuntu

Easily Install and Setup PowerDNS on Ubuntu 22.04

Welcome to our tutorial on how to easily install and setup PowerDNS on Ubuntu 22.04. PowerDNS “is a premier supplier of open source DNS software,

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