Linux ssh Password-free login (multiple computers with each other to avoid the dense landing cluster)

First detect if there is SSH

1. If you do not have the download installed, you can create the. ssh folder in your home directory

mkdir ~/.ssh

2. Generate key

SSH-KEYGEN-T RSA

3. Write the current public key to the Authorized_keys

Cat Id-rsa.pub >> Authorized_keys

4. After writing, copy the Authorized_keys to the next computer's ~/.ssh folder to overwrite

5. Connect to the next computer write the public key of the next computer to Authorized_keys

6. Cycle 4.5 steps until the last computer all the computers in front of you can access the last one

7. Copy the last computer's Authorized_keys to all other computers to enable all the computers to be free of each other's login

Linux ssh Password-free login (multiple computers with each other to avoid the dense landing cluster)