Back up your site using the command line
When you backup your website you create copies of both the files and the database.
Backing up a site
General backup best practices
Backing up your site (GUI)
Backup your Drupal files
Migrating a site
Migrating Drupal site if you change hosts, or if you maintain separate development and live sites.
Multisite Backup Script
Here's a perl script that should properly backup a multisite Drupal installation. I've tested it on my site and it seems to work, but it
Restoring a database backup (command line)
Most site updates happen without incident and when successful, the database dump you made can be discarded or archived. However,