What is the best method to backup and restore erpnext

[Pawan]

Clear instructions on how to backup erpnext

Hello i have found some scattered infos about how to backup and restore ERPNext, however none seem up to date or complete has no mention of how to make the backup files I am not clear on how to get the site files and can only manage to get a database backup /usr/local/bin/bench backup-all-sites --with-files Error: no such option: --with-files