To use command line backup of a WordPress site.
Locate you wp-config.php file. Find the DB configuration for you DB with “grep DB_ wp-config.php”. If your password is encrypted, you will need to know it.
Use the output to run mysqldump, “mysqldump –opt –user=<DB_USER> –password=<DB_PASSWORD> –host=<DB_HOST <DB_NAME> > <BACKUPFILE>”