add-nodes.md

• Generate ssh key (on node0)

ssh-keygen

• Copy ssh key to node 2,3,4,5

ssh-copy-id root@192.168.254.89
ssh-copy-id root@192.168.254.91
ssh-copy-id root@192.168.254.92
ssh-copy-id root@192.168.254.93

• Secure root login over SSH

!! Make sure you are able to login to nodes 2,3,4,5 with ssh key before securing them !!

sudo nano /etc/ssh/sshd_config
PermitRootLogin without-password
Also  find "#PasswordAuthentication yes"
change too "PasswordAuthentication no"

• Login to caprover dashboard and select cluster

Retrieve private key from node0

cat ~/.ssh/id_rsa

Enter info and make sure to join the first 4 nodes as "worker nodes"