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.

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

In this blog post, you’ll learn how to deploy multinode OpenShift cluster using UPI (User Provisioned Infrastructure). UPI is one of the deployment methods provided

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

Useful Information You Should Know About Data Privacy

Useful Information You Should Know About Data Privacy

Staying safe online is something that’s becoming increasingly important, but how do you know if your data is really secure? From keeping track of our

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

In this blog post, we will walk through how to backup and restore etcd in OpenShift 4, including setting up automated scheduled backups with S3

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

A container with no shell is doing the right thing. A secrets pipeline that cannot deliver credentials to that container is doing nothing at all.

Install and Configure Fetchmail with OAuth2 Support for Request Tracker

Install and Configure Fetchmail with OAuth2 Support for Request Tracker

In this blog post, we will take you through how to install and configure Fetchmail with OAuth2 support for Request Tracker (RT). OAuth2 has become

install flatpak ubuntu 24.04

How to Install and Use Flatpak on Ubuntu 24.04

In this tutorial, we will take you through how to install and use Flatpak on Ubuntu 24.04. So, what is Flatpak? According to the documentation,

Install Filebeat 9 on Ubuntu/Debian

Install Filebeat 9 on Ubuntu/Debian

How can I install Filebeat 9 on Ubuntu/Debian? Well, the installation of Filebeat 9 on Ubuntu/Debian is no different from the rest of the versions

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

A Guide to The Wonderful World of F(E)aaS for eCommerce

A Guide to The Wonderful World of F(E)aaS for eCommerce

The eCommerce industry is growing rapidly, and businesses are always looking for ways to improve their online presence to increase sales and revenue. One of

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