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Editor to share with you how to configure CentOS login without a password, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

CentOS configuration password-less login

Configure the sshd service to modify / etc/ssh/sshd_config on the server:

# disable root login PermitRootLogin no# specify users who can log in AllowUsers bob aliceStrictModes yes# turn off password authentication PasswordAuthentication no# turn on RSA authentication related settings RSAAuthentication yesPubkeyAuthentication yesAuthorizedKeysFile .ssh / authorized_keys# turn off GSSAPI authentication GSSAPIAuthentication no

Restart the sshd service

Generate rsa-keypair to switch to the user account that allows ssh login and execute the following command:

# generate key-pairssh-keygen cp ~ / .ssh/id_rsa.pub ~ / .ssh/authorized_keyssudo chmod ~ 6000.ssh/authorized_keyssudo chmod ~ / .sshrestorecon-R-v ~ / .ssh

Copy the newly generated id_rsa file locally, generally named as: server.pem

Ssh-I server.pem username@server

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