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.

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes? Kubernetes, aka K8s, is the current de facto container orchestration platform providing a robust set of tools for

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission impossible task, but it is

Install Greenbone Vulnerability Management (GVM) on Debian 12

Install GVM Vulnerability Scanner on Ubuntu 24.04

In this guide, you will learn how to install GVM Vulnerability Scanner on Ubuntu 24.04. Greenbone Vulnerability Management (GVM), previously known as OpenVAS, is a network security scanner

backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

In this blog post, we will dive into Kubernetes disaster recovery strategies, backup and restore etcd, using etcdctl and etcdutl tools. Even the most robust

Scan RHEL Systems for CIS Benchmark Compliance with Wazuh

How to Scan RHEL Systems for CIS Benchmark Compliance with Wazuh SCA

In this guide, you will learn how to scan RHEL systems for CIS benchmark compliance with Wazuh SCA. Red Hat Enterprise Linux (RHEL) systems form

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,

Move Linux OS Installation to Another Drive

How to Move Linux OS Installation to Another Drive

Have you ever wondered if you could move Linux OS installation to another drive? Well, yes, that is definitely possible. Moving a Linux installation to

What OS you should choose for dedicated server?

What OS you should choose for dedicated server?

When it stands the task of configuring your dedicated server, it’s essential to consider the hardware and network settings. Among the important aspects of server

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

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is crucial to understand what a