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.

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

In this guide, we’ll walk you through the process of provisioning Kubernetes Persistent Volumes with CephFS CSI Driver. CephFS is a shared filesystem storage solution, which allows

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part 3 of a three-part series

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

In this tutorial, you will learn how to deploy Ceph storage cluster in Kubernetes using Rook. Rook is an open-source cloud-native storage orchestrator that provides

install nagios core on centos 9 stream

Install Nagios Server on CentOS 9 Stream

In this guide, you will learn how to install Nagios Server on CentOS 9 Stream. Nagios provides enterprise-class Open Source IT monitoring, network monitoring, server and

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,

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you might have encountered an a

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

CloudBees CI HA on OpenShift starts with one requirement that can stop the deployment before it even begins: shared storage with ReadWriteMany (RWX) access. OpenShift

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

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

How can I monitor Docker swarm node metrics? In this tutorial, you will learn how to monitor Docker swarm node metrics using Grafana. Prometheus node

Essential Cybersecurity Measures for Small Businesses

Essential Cybersecurity Measures for Small Businesses

When you run a business, regardless of size, it’s essential that you take the proper methods to secure all assets and company data. Without securing

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