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I have an Ubuntu virtual machine to which I can ping perfectly from my host.

I created a root password and I can use it normally too. I also changed the ssh-conf file such that root login is permitted as below and the guest OS is re-started multiple times in the mean while:

PermitRootLogin yes

But even then I cannot cannot to it via "plink" (putty link) from the host machine. I tried simple ssh even that does not work. Note that plink I started in a dos window but ssh I tried using cygwin. 

ssh root@10.122.1.100
root@10.122.1.100's password:
Permission denied, please try again.
root@10.122.1.100's password:
Permission denied, please try again.
root@10.122.1.100's password:
Permission denied (publickey,password).

And the /var/log/auth.log indicates the following ...

Jan 20 18:24:31 osboxes sshd[2735]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=<HOST>  user=root
Jan 20 18:24:34 osboxes sshd[2735]: Failed password for root from 10.122.0.55 port 51989 ssh2
Jan 20 18:34:49 osboxes sshd[2749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=<HOST>  user=root
Jan 20 18:34:51 osboxes sshd[2749]: Failed password for root from 10.122.0.55 port 52256 ssh2
Jan 20 18:35:02 osboxes sshd[2749]: message repeated 2 times: [ Failed password for root from 10.122.0.55 port 52256 ssh2]
Jan 20 18:35:02 osboxes sshd[2749]: Connection closed by 10.122.0.55 [preauth]
Jan 20 18:35:02 osboxes sshd[2749]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=<HOST>  user=root

I replaced the host address with in the above log for this post.

Does any of you know what am I still missing ?

Many thanks,

Prakash

bain
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1 Answers1

1

Thank your for your answers.

The answer is indeed simple because I seem to have edited ssh-config file instead of sshd-config to enable root login. And after editing the file it seems to solve the issue.

Many thanks for your time

Prakash

PSN
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