scp, ssh and rsync without prompting for password

#On my pc (local)
ssh-keygen -t rsa
cd
scp .ssh/id_rsa.pub root@server:/root/

#On my server
cd /root
cat id_rsa.pub >>/root/.ssh/authorized_keys
chmod 700 /root/.ssh/authorized_keys

vim /etc/ssh/sshd_config
--> Config: PermitRootLogin yes

/etc/init.d/sshd restart

#On my pc
ssh root@server
--> enjoy


# Bonus rsync command with include
rsync -e ssh -arv --delete --include="/uploads/" --include="/cache/" --exclude="/*" root@server:/srv/www/dantri/web/ /home/backup/web/

/srv/www/dantri/web/
uploads
cache
...