Docker command cheat sheet for sysadmin and developers… Docker is a containerization system which packages and runs the application with its dependencies inside a container. There are several docker commands you must know when working with Docker. This article is all about that. If you don’t know what Docker is, then you may take this…
Implement SSH key-based authentication on Linux SSH (Secured Shell) is a protocol which creates a cryptographically secured connection between the SSH client and remote servers. Using SSH you can manage and administer remote servers securely. This can be helpful in many ways. Multi-server deployment Stop/start services remotely Automation and all your creativity (hopefully)… As a…
Ad-hoc Commands are used in Ansible to execute tasks instantly, and you need not save them for later use. This article is all about Ansible Ad-hoc Command. There are multiple tasks in Ansible where you don’t need to write a separate Ansible playbook for it; you can just run an ansible ad-hoc command for that…
Learn about Ansible Playbook to automate the tasks. Previously, we discussed Ansible introduction, installation guide, and next, let’s talk about Playbook and its building blocks. What is Ansible Playbook? The playbook is Ansible automation language. It is a simple file with a set of instructions. It is in playbooks where we define what we want…
Heard about Ansible but not sure what it is? Don’t worry, you will know about Ansible in the next 5 minutes. What is Ansible? Ansible is an open source DevOps tool which can help the business in configuration management, deployment, provisioning, etc. It is straightforward to deploy; it leverages SSH to communicate between servers. It…
Getting started with Ansible on Ubuntu for better environment provisioning and configuration management. Configuration Management is a crucial stage in DevOps lifecycle. It helps in automation and orchestration of the IT infrastructure. There are several tools for configuration management, for example, Puppet, Ansible, Chef, SaltStack. And, of course, Ansible which is one of the most…
