Set up remote password-free login server

1. Generate your own public key

ssh-keygen -t rsa 

Generate the public key of the machine The generated address can be seen during the generation process

Find the location of the generated public key, where id_rsa.pub is the public key, copy

2. Deploy the public key to the server

Enter own server
enter directory

cd ~/.ssh/
vi authorized_keys

Copy the copied public key to authorized_keys to complete