Networking

networking tools and scripts

SSH

Install SSH on Ubuntu 20.04 LTS

sudo apt-get install ssh
sudo systemctl enable --now ssh
sudo systemctl status ssh

Generate RSA public-private keys

ssh-keygen -t rsa -b 4096 -C "name@domain.com"

This will generate id_rsa and id_rsa.pub, you can add/copy the public key on ~/.ss/authorized_keys file of the target machine for public key based authentication