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How To Run FreeBSD 12 on OpenStack

How can i add FreeBSD 12 Cloud image to OpenStack?, How do i create FreeBSD 12 instances on OpenStack platform. FreeBSD is an open source Unix based operating system used to power embedded systems, modern servers and desktops. The FreeBSD has a large community which continues to develop it for …

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How To Provision VMs on KVM with Terraform

If you’re a fan of terraform and KVM, I’m assured you’ve been looking for a way to provision Virtual Machines on KVM in automated manner with Terraform. In this blog post, I’ll walk you through installation of Terraform KVM provider and using it to manage instances running on KVM hypervisor. …

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How To Install PHP Composer on CentOS 8

In today’s guide, we’ll discuss how you can install PHP Composer on CentOS 8 Linux machine. Composer is a PHP application package manager created to provide a standard format for managing dependencies of PHP software and required libraries. This tool is helpful when a developer want to manage and integrate …

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Solve Error response from daemon: Get https://registry-1.docker.io/v2/: x509: certificate signed by unknown authority

Introduction In case you wanted to pull a container from Docker registry and experienced the error: “Error response from daemon: Get https://registry-1.docker.io/v2/: x509: certificate signed by unknown authority“, then we hope this guide will help you resolve the problem. We assume you have SSL Certificates ready because this will not …

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How To Configure Kubernetes Dynamic Volume Provisioning With Heketi & GlusterFS

The Dynamic volume provisioning in Kubernetes allows storage volumes to be created on-demand, without manual Administrator intervention. When developers are doing deployments without dynamic provisioning, cluster administrators have to manually make calls to their cloud or storage provider to create new storage volumes, from where the PersistentVolumes are created. This …

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