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.

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, we realized that these unofficial

install slack

How to Install Slack on Ubuntu 24.04

If you want to install Slack on Ubuntu 24.04, then follow through this step by step guide. Slack is a cloud based teams communication and

Install MariaDB 10 on Debian 12

Install MariaDB 10 on Debian 12

Follow through this guide to learn how to install MariaDB 10 on Debian 12. “MariaDB 10 is the new major release series of MariaDB. It ships

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

How to Construct a Trading Bot: Your Step-by-Step Guide to Automation

How to Construct a Trading Bot: Your Step-by-Step Guide to Automation

Every move you make while investing in modern economies may make or break your success. In many cases, a few milliseconds determine whether an opportunity

install mongodb

Easily Install MongoDB on Ubuntu 24.04

In this tutorial to learn how to easily install MongoDB on Ubuntu 24.04. According to MongoDB page, “MongoDB is a general purpose, document-based, distributed database

Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

In this guide, you will learn how to recover and expand OpenShift Data Foundation storage on bare metal from diagnosing a fully exhausted ODF Ceph

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

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

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with Terraform. If you are creating multiple virtual machines on KVM

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