What is nano?

Nano is a simple and user-friendly text editor that comes pre-installed on most Unix-based operating systems, including macOS and Linux.

How to SSH into Raspberry Pi without password

I have more than three Raspberry Pi in the house. It can get tiring to connect to each one with a password. One way to avoid having to type a password during SSH is to use SSH Key. SSH(Secure Shell) Key is basically a really really long (about 600