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 keepalived on ubuntu 24.04

How to Install Keepalived on Ubuntu 24.04

What is the easiest way to install Keepalived on Ubuntu 24.04? In this tutorial, we will cover different ways you can use to install Keepalived

Install PostgreSQL 15 on Debian 12

Install PostgreSQL 15 on Debian 12

Learn how to install PostgreSQL 15 on Debian 12 using this comprehensive step-by-step tutorial. PostgreSQL is a fully featured object-relational database management system. It supports

Install Prometheus on Linux

How to Install Prometheus on Ubuntu 24.04

In this guide, you will learn how to install Prometheus on Ubuntu 24.04. Prometheus is an open-source systems and service monitoring system. It collects metrics from configured

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

The Smart Business Owner's Guide to Access Control and Biometric Security

The Smart Business Owner’s Guide to Access Control and Biometric Security

As a modern business owner, you understand the importance of keeping your premises secure. But in today’s digital world, protecting sensitive data and valuable assets

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

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

This guide will take you through how to install and configure SSSD for Windows AD authentication on Ubuntu 24.04. SSSD (System Security Services Daemon) is

Shrink Linux Root Filesystem by Migrating to New Disk

Shrink Linux Root Filesystem by Migrating to New Disk

In this tutorial, you will learn how to shrink Linux root filesystem by migrating to new disk. Shrinking the Linux root filesystem can be necessary

Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible

Add Controller Nodes into Existing OpenStack Cluster using Kolla-Ansible

Is it possible to add controller nodes into existing OpenStack cluster using Kolla-Ansible? Of course, yes! In this blog post, you will learn how to

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

In this blog post, you’ll learn how to patch sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX to secure your Linux infrastructure against critical privilege

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