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# Backing up Nextcloud

To backup an Nextcloud installation there are four main things you need to retain:

1. The config folder
2. The data folder
3. The database
4. The theme folder

## Backup Folders

Simply copy your config, data and theme folders (or even your whole Nextcloud install and data folder) to a place outside of your Nextcloud environment. You could use this command:

    rsync -Aax nextcloud/ nextcloud-dirbkp_`date +"%Y%m%d"`/

## Backup Database

### MySQL/MariaDB

MySQL or MariaDB, which is a drop-in MySQL replacement, is the recommended database engine. To backup MySQL/MariaDB:

    mysqldump --lock-tables -h [server] -u [username] -p[password] [db_name] > nextcloud-sqlbkp_`date +"%Y%m%d"`.bak

### SQLite

    sqlite3 data/owncloud.db .dump > nextcloud-sqlbkp_`date +"%Y%m%d"`.bak

### PostgreSQL

    PGPASSWORD="password" pg_dump [db_name] -h [server] -U [username] -f nextcloud-sqlbkp_`date +"%Y%m%d"`.bak

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