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Category: Docker

SSH Passwordless Login Using SSH Keygen in 5 Easy Steps

SSH Passwordless Login Using SSH Keygen in 5 Easy Steps

SSH (Secure SHELL) is an open source and most trusted network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over the network using secure copy (SCP) Protocol. In this article we will show you how to setup password-less login on RHEL/CentOS 7.x/6.x/5.x and Fedora using ssh keys to connect to remote Linux servers without entering password. Using Password-less login with SSH keys will increase the trust between two Linux servers for easy file…

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Why and how to setup your own Cloud on Bare-Metal

Why and how to setup your own Cloud on Bare-Metal

In this article I will be explaining the various benefits that coming with deploying your own cloud, which software to use, and how to proceed with setting everything up. The benefits of building your own cloud includes control over hardware, better performance, and is also much more cost effective. Renting bare-metal hardware from providers is a very efficient approach of consuming compute resources as these providers offer hardware at a lower performance to cost ratio than traditional cloud providers who…

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Kubernetes vs. Docker Swarm: What’s the Difference?

Kubernetes vs. Docker Swarm: What’s the Difference?

Today, containerization has transformed how we deploy software and work with microservices. As the trend of working with Linux-based, virtual containers for developing applications continues to evolve, it has brought in higher demands for their management and deployment. Kubernetes and Docker are two of the major players in container orchestration. They have carved reputable niches for themselves and cemented their positions in the Docker and the container ecosystem. Both of these tools enable you to handle a cluster of servers…

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LAMP stack using docker-compose

LAMP stack using docker-compose

Objective Following this tutorial you will be able to create a LAMP environment using the Docker technology. Requirements Root permissions Basic knowledge of Docker Difficulty MEDIUM Conventions # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command $ – requires given linux commands to be executed as a regular non-privileged user Introduction Docker is an open source project aimed at providing software inside containers. You can think of a container as a sort of “package”,…

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Install AWX on CentOS 7

Install AWX on CentOS 7

AWX is the upstream project from which the Red Hat Ansible Tower offering is ultimately derived. Read more: AWX project FAQ Install steps below on CentOS 7.3 minimal. # Insall EPEL repository yum -y install epel-release # Disable firewall and SELinux systemctl disable firewalld systemctl stop firewalld sed -i ‘s/SELINUX=enforcing/SELINUX=disabled/g’ /etc/selinux/config setenforce 0 reboot # Enable continuous release (CR) repository if some paskage from EPEL are dependant on newer release yum -y install git gettext ansible docker nodejs npm gcc-c++ bzip2…

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Migrating WordPress to Ghost using Docker

Migrating WordPress to Ghost using Docker

Note: This post has been written for WordPress v. 4.3.9 and Ghost v. 0.11.7 For the last year, my blog was hosted in a WordPress Docker container. I’ve now migrated my blog to Ghost, still using Docker. This post explains the reasons that got me to move to Ghost and how I did it. Why did I move to Ghost? A complex writing workflow Writing my posts using plain text then formatting it (using integrated WYSIWYG/html editor) was really painful. My…

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