Passwordless Login CentOS: SSH Key Setup
To achieve passwordless login on a CentOS system, you can follow these steps:
- Generate SSH key pairs locally. Run the following command on your local terminal to generate SSH key pairs:
ssh-keygen
Following the prompts, the key pair will be generated in the ~/.ssh/ directory.
- Copy the public key to the target server. Execute the following command to copy the local public key to the target server:
ssh-copy-id username@hostname
The username is the username for the target server, and the hostname is the address of the target server.
- Verify passwordless login. Try connecting to the target server using SSH, if all settings are correct, you should be able to login directly without entering a password.
ssh username@hostname
By following the above steps, you can achieve passwordless login on a CentOS system.
