First things first. With this small and simple tar command we archive all our /var/www/ data.

tar -zcvf archive.tar.gz /var/wwwCode language: JavaScript (javascript)

Now we dump the MySQL database with the next command.

mysqldump -u root -p databasename > /root/backupname.sqlCode language: JavaScript (javascript)

You will be asked to write the password for the database user (in this case root).

scp archive.tar.gz root@destinationserver:/root
scp /root/backupname.sql root@destinationserver:/root

Again you will be asked twice for the password of the remote server but all your sensitive data will be saved there.
Again this is a very simple and just a small demonstration of what you can do with tar, scp and ssh.