password to SSH option reset for linux

Question

Hi Team

i had changed password option to SSH option for login to the VM in the azure portal. after that both the SSH and password options are working to login VM.

i can't able to stop VM, please help me with the steps for removing the password login option to VM.

Regards
Arun C V

Answer 1

@arun kumar

I tried your scenario in my lab environment and it is working as expected without any issues. I was able to stop the VM without any issues.

Below are the steps that you need to do to disable password auth in Linux VM.

Now, you have both ssh and password auth methods enabled on you VM.
In the below screenshot you see the 2 types of logins.

Once you are logged into the VM with ssh keys, use below command and modify the file sshd_config to make changes for two parameters PasswordAuthentication and PubkeyAuthentication to no and yes respectively as shown in below screenshot.

sudo vi /etc/ssh/sshd_config  

Restart the ssh service with below command

 sudo systemctl reload ssh  

With this you will now be able to login to VM only with SSH keys.

Hope this helps.

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