mysqldump and tar commands are used for back up of a WordPress based site. The backup and restore process along with commands is explained.
Instead of captcha, "ERROR for site owner, Invalid domain for site key" was displayed in a form. The steps for resolving the error are given.
A web page of a Drupal based web site getting stuck in maintenance mode. Steps required for resolution of the problem are given.
To backup a Drupal site, website root directory and database dump are copied to a local server. The backup commands are explained.
Moving a Drupal site to a new host involves backing up the MySQL database and the web-site root directory and storing these on the new host.