PUBLIC MARKS with tags tutorial & configuration

If you have multiple servers with similar or identical configurations (such as nodes in a cluster), it’s often difficult to make sure the contents and configuration of those servers are identical. It’s even more difficult when you need to make configuration modifications from the command line, knowing you’ll have to execute the exact same command on a large number of systems . In this tutorial we will see some tools to execute one command on multiple remote servers using ssh.First you need to make sure you have ssh installed in your machine or you can install using the following command

This tutorial takes a practical, example-based approach to implementing those rules. It's targeted towards web developers with a small budget, who are most likely using shared hosting, and working under the various restrictions that come with such a setup. Shared hosts make it harder to play with Apache configuration -- sometimes it's even impossible -- so we'll take a look at what you can do, given certain common restrictions, and assuming your host runs PHP and Apache.