unable to ssh into the server using root account

unable to ssh into the server using root account. it says “incorrect login” without even prompting for password.

Also, when i try to ssh from putty, it says “connection closed by port 22” Btw, i can ssh in from the digital ocean console.

Even if i ssh in (from digitalocean recovery console) as a sudo user and try to execute any command, it says “sudo: /etc/sudoers is world writable sudo: no valid sudoers sources found, quitting sudo: unable to initialize policy plugin”

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Hello, @mindmaster

Have you recently changed the permissions of any of the system directories like /etc ? The sudo error message will usually appear if the /etc/sudoers.d permissions are changed.

You can double-check the current permissions of the `/etc/sudoers.d directory and also go through the bash history commands and check if you’ve recently executed some chmod commands as this will explain what caused the issue in first place.

Regards, Alex