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 redhat satellite on rhel 9

How to Install Red Hat Satellite on RHEL 9

In this tutorial, you will learn how to install Red Hat Satellite on RHEL 9. Red Hat Satellite is a powerful systems management tool that

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

If your OpenShift workloads are still reading database passwords from Kubernetes Secrets that someone base64 -w0‘d into a YAML manifest six months ago, you have

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

How would you configure OpenStack networks for Internet access? Internet access is crucial for various reasons within an OpenStack environment. VMs may need to download

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.

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

In this tutorial, we will quickly look at how to disable weak SSH algorithms on RHEL 8/9/10, including SHA-1 HMACs, SHA-1 key exchange methods, CBC

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two key state concepts: Declared State

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We are installing the VirtualBox Guest additions on AlmaLinux Desktop. Installing

Top 6 Hacks For Improving Your Business

Top 6 Hacks For Improving Your Business

The journey toward business improvement is an ongoing endeavor characterized by constant learning and adaptation. Numerous strategies and techniques can be leveraged to enhance your

The Role of a Strategic Cybersecurity Strategy in Ensuring Business Continuity

The Role of a Strategic Cybersecurity Strategy in Ensuring Business Continuity

In today’s interconnected world, where businesses heavily rely on technology and digital systems, cybersecurity has emerged as a critical concern. The evolving threat landscape and

login with freeipa client

Install and Configure FreeIPA Client on Ubuntu 24.04

In this tutorial, you will learn how to install and configure FreeIPA client on Ubuntu 24.04. With FreeIPA client, you can be able to authenticate

document.addEventListener("DOMContentLoaded", function() { document.querySelectorAll(".scroll-box").forEach(function(box) { box.style.position = "relative"; // Needed for absolute positioning of button var button = document.createElement("button"); button.className = "copy-icon-btn"; button.setAttribute("aria-label", "Copy code"); button.innerHTML = ''; box.appendChild(button); button.addEventListener("click", function() { var text = box.innerText; navigator.clipboard.writeText(text).then(function() { button.querySelector("svg").setAttribute("fill", "#4CAF50"); setTimeout(function() { button.querySelector("svg").setAttribute("fill", "white"); }, 1500); }).catch(function(err) { console.error("Copy failed: ", err); }); }); }); });