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Keep getting error no supporting method availalble
I did change my client pc and keep backup of PPK file
and i use that ppk file but i am unable to get login with new client on my server
and getting error
No supported authentication method available (server sent : publickey)
via putty
while i can do login into cloud panel
and other users as well
but unable to login in root user
@DeluxHost also don't have VNC access
need help ASAP


Comments
If the server is a KVM (instead of a container), not having VNC means the service is incomplete.
Please cancel the incompetent service and buy from professional providers.
If you have console access to an unprivileged user and you know the root password, you can type su and then enter the root password to gain access to the root account.
i have console access but all users have no sudo access
but it have been already 6 month of tenure 6 month left
You don't need sudo access.
You just need to know root password.
If all else fails, buy a new server with VNC feature, and copy over the files or restore from backup.
Let the bad server idle for next 6 months.
I did never created root password why because it was already default login with PPK file
and I have PPK file as of now
that means wrong key, check your keys

also delux have vnc access, there is button in cp to enable it
EDIT: with vnc you still need root pass, so if you know it, and can login as user its better as @yoursunny said use su
these green mark ppk i have which is old one
these green mark i just created
So where is your store_desktop key ?
you know Public key was bind with username of desktop
2. i forget delux host VNC option
3. thank god they have password reset option and i have already enable password based login
Mostly my mistake
Mild illegal is crazy
I kinda find it funny that he has a key named "mild illegal".
With your Linux proficiency level OP, I would be extra careful.
it was new guideline on that time for me
like don't share cracked link in this platform which caused to get
it's also made me crazy on that day