Ssh connection is failed for root user - password prompting always on Linux Fedora 37 / Centos 9 / RHEL9?

Ssh connection is failed for root user - password prompting always on Linux Fedora 37 / Centos 9 / RHEL9?

Ssh connection for root user failed

Keep asking password for root user even when provide correct password and not established ssh connection for localhost using root user.

[ramyadevi@fedora ~]$ ssh root@localhost
root@localhost's password: 
Permission denied, please try again.
root@localhost's password: 
Permission denied, please try again.
root@localhost's password: 

Need to check PermitRootLogin option in /etc/ssh/sshd_config file,

[ramyadevi@fedora ~]$ sudo cat /etc/ssh/sshd_config | grep PermitRootLogin
PermitRootLogin prohibit-password

set prohibit-password value for option PermitRootLogin, that’s why ssh connection is not established using root user login.

Update PermitRootLogin option as yes in /etc/ssh/sshd_config file,

$ sudo vi /etc/ssh/sshd_config

# change PermitRootLogin to yes
PermitRootLogin yes

[ramyadevi@fedora ~]$ sudo cat /etc/ssh/sshd_config | grep PermitRootLogin
PermitRootLogin yes

Also ensure PasswordAuthentication option is set as yes, otherwuse ssh connection refused again.

PasswordAuthentication yes

Let’s try ssh connection now,

[ramyadevi@fedora ~]$ ssh root@localhost

1 device has a firmware upgrade available.
Run `fwupdmgr get-upgrades` for more information.

Last login: Mon Mar 20 01:48:54 2023 from ::1

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