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With the following steps it is possible to back up and to restore a TYPO3 installation. Since restoring also is possible on a different server, this guide can also be used to move an installation to a new server.

Creating the backup

Backing up the files

First log in into the server using SSH and change into the directory, in which TYPO3 is installed.

 cd /path/to/your/installation

If possible, for improved safety, stop the Apache webserver.

 /etc/init.d/apache stop

Now create an archive of the folder using tar and compress the result with gzip. In this example, we expect TYPO3 to be installed in the subfolder cms/.

 tar czvf typo3_backup.tar.gz cms

Now this file can be copied to the new server, e.g. using SCP or "manually" using SFTP/FTP.

Backing up the MySQL database

Now we back up the MySQL database using the mysqldump tool.

 mysqldump -h {host} -u {user} -p{password} {databasename} > typo3_db.sql

(Note: There is no space between the -p and the password!)

Now you can copy the file typo3_db.sql to the new server.

Restoring from the backup

Restoring the files

First log in to the server using SSH. :-) Then change to the directory, into which you want to install TYPO3. This directory depends on system and webserver settings. If possible, for improved safety, the webserver should be stopped. Now unpack the tar archive to get your files back.

 tar xzvf typo3_backup.tar.gz

Restoring the MySQL database

Now to the database. :-) We first create a new database user and grant rights for only this database to that user. Then we create this database and fill it with the contents of the database dump.

First, log in to MySQL with the MySQL root account. (The password of the MySQL root account is not necessarily identical to the password of the local account!)

 mysql -u root -p{password}

Now we use the GRANT command to create a new MySQL user and to give him rights for our new database.

 GRANT all privileges on {databasename}.* to {username}@localhost identified by '{password}';

Now we log in with the new MySQL user and create the database.

 mysql -u {username} -p{password}

Creating the empty database.

 create database {databasename};

Now we use the mysql command to fill the database with the content of our dump file.

 mysql -u {username} -p{password} {databasename} < typo3_db.sql

Now we only have to start our webserver again and TYPO3 should be working.

Adjustments in TYPO3

We possibly have to adjust the database credentials in TYPO3. That can be done in the Install Tool, in section Important Actions.