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How To Enable a Linux Based Device To Username/Password Authentication

You can login to a CentOS device on Openstack with created Private Keys. If you prefer to define username/passwords and login with these credentials too, you need to edit /etc/ssh/sshd_config file by an authorized user (e.g. root) and set the following parameters:

PasswordAuthentication yes


If you want to login with “root” user, you need to set the following parameter:

PermitRootLogin yes


If you want to disable login with public keys, you need to set the following parameter:

PubkeyAuthentication no


After these steps, restarting the sshd service will be enough to make all done.

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