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.

install gitlab linux

How to Install Gitlab on Ubuntu 24.04 with SSL/TLS

In this tutorial, you will learn how to install Gitlab on Ubuntu 24.04. GitLab is an open source end-to-end software development platform with built-in version control, issue

Install PHP 8 on Debian 12

How to Install PHP 8 on Debian 12

In this tutorial, you will learn how to install PHP 8 on Debian 12. PHP 8.x is a major update of the PHP language. It

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

In this blog post, you will learn how to enable user workload monitoring in OpenShift 4.20 and empower developers to monitor their own applications. User

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

In this guide, I’ll walk you through how to configure production-ready monitoring in OpenShift 4.20. While OpenShift ships with cluster monitoring enabled by default, Prometheus

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

This blog post serves as an introduction to Role-Based Access Control (RBAC) in Kubernetes. It is no doubt that currently, Kubernetes is the de facto

What Should Companies Do To Increase IT Safety

What Should Companies Do To Increase IT Safety

With cyber threats at an all-time high, IT security is a top priority for businesses of all sizes. Everyone inherits a responsibility to protect confidential

install openldap debian

Install and Setup OpenLDAP Server on Debian 12

Follow through this tutorial to learn how to install and setup OpenLDAP Server on Debian 12. OpenLDAP is an open source implementation of the Lightweight Directory Access Protocol, a client-server protocol for accessing

How to Use RHEL 10 Lightspeed AI to Simplify Linux Administration Tasks

How to Use RHEL 10 Lightspeed AI to Simplify Linux Administration Tasks

In this blog post, I will walk you through practical examples on how you can use RHEL 10 Lightspeed AI to simplify Linux administration tasks.

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, we realized that these unofficial

reduce or shrink Physical Volume in Linux

How to Reduce or Shrink Physical Volume in Linux

How do I shrink physical volume in Linux? In this tutorial, you will learn how to reduce or shrink Physical Volume in Linux. In a

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