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5. Assignment: Make a weekly -Offsite backup of the TownHall

Rdiff-backup

Login using ssh key

Create the key

do not enter any paraphrase.

ssh-keygen -t rsa

Copy the key to the client (the computer you want to access to)

scp /root/.ssh/id_rsa.pub root@192.168.10.91:/home/

Write the public into the .ssh/authorized_key of the user (in his home folder) you want to login to

cat id_rsa.pub >> /home/bl/.ssh/authorized_key

change in /etc/ssh/sshd_config:

PasswordAuthentication no
PermitRootLogin no

If ssh doesn't work check the grp and own of .ssh/authorized_keys