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.

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

How can I setup a Docker swarm? In this tutorial, you will learn how to setup three node Docker swarm cluster on Ubuntu 22.04. Docker

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster to a production-ready, zero-trust architecture.

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

install docker ce on debian 12

How to Install Docker CE on Debian 12

In this tutorial, we are going to learn how to install Docker CE on Debian 12. Docker is a platform that enables developers and system

Install Wazuh Manager with ELK on Debian

Install Wazuh Manager with ELK on Debian 12

In this tutorial, you will learn how to install Wazuh Manager with ELK on Debian 12. According to the documentation, Wazuh is a free and

how to install web min on Linux

How to Install Webmin on Ubuntu 24.04

In this tutorial, you will learn how to install Webmin on Ubuntu 24.04. Webmin is a web based control panel that allows system administrators to manage

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

In this blog post, we will take you through Kubernetes user management: creating users, groups and service accounts. Kubernetes came with one mission, to revolutionize

Install MinIO Object Storage Server on RHEL 9

How to Install MinIO Object Storage Server on RHEL 9

In this tutorial, you will learn how to install MinIO Object storage server on RHEL 9. MinIO is a high-performance, open-source object storage server that

How to Start Stop or Restart Ceph Services

How to Start Stop or Restart Ceph Services

In this tutorial, you will learn how to start stop or restart Ceph Services. Ceph is a distributed storage system that provides object storage, block

Exploring LVM: Learn About Common PV, LV, and VG Attributes

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

LVM Attributes: LVM (Logical Volume Management) is a powerful tool for managing storage in Linux. It gives you the flexibility to easily resize, merge, and

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