Configuration management systems are designed to make controlling large numbers of servers accessible for admins and operations teams. While there are many popular configuration management systems available for Linux systems, they are often more complex than many people want or need. Ansible is a great alternative to these options because it has a much smaller overhead to get started.
Ansible is an open source software tool used to automate the provisioning, configuration management, and deployment of servers and applications. If you want to automate tasks on one or more servers or run a distributed application across multiple servers, you can use Ansible. In this tutorial, you’ll use Ansible to automate the initial server setup of multiple Ubuntu 22.04 servers.
There may be times where you want to change the behavior of your Redis instance on the fly. Redis has several commands that allow you to make changes to the Redis server’s configuration settings directly from the redis-cli interface. This tutorial will go over some of these commands, and also explain how to make these configurations permanent.
After setting up Puppet in an agent/master configuration, you may need some help writing Puppet manifests and modules. In order to use Puppet effectively, you must understand how manifests and modules are constructed. This tutorial covers Puppet code basics, and will show you how to construct manifests and modules that will help you get started with using Puppet to manage your server environment.
Системы управления конфигурацией разрабатываются для администраторов и операционных отделов с целью ускорить процедуры управления большим количеством серверов. Они позволяют автоматически контролировать много разных систем из единого центра. Хотя для систем Linux выпущено много…
In this tutorial, we will cover how to install open source Puppet 4 in a master-agent setup on CentOS 7. In this setup, the Puppet master server—which runs the Puppet Server software—can be used to control all your other servers, or Puppet agent nodes. Note that we’ll be using the Puppet Server package, instead of Passenger or any other runtime environment.
Continuous integration (CI) refers to the practice where developers integrate code as often as possible and every commit is tested before and after being merged into a shared repository by an automated build. CI…
Ansible is a modern configuration management tool that facilitates the task of setting up and maintaining remote servers.
Learn how to use conditionals in Ansible playbooks to control task execution dynamically with the when keyword, variables, facts, and logical expressions.
Packer, by Hashicorp, is a command-line tool for quickly creating identical machine images for multiple platforms and environments. With Packer, you use a configuration file, called a template, to create a machine image containing a preconfigured…
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