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linux_management_account.md

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Creating an account for monitoring and management/ Ubuntu

Create the account id < 1000 as a system account. An extra step is required to hide it from the user list of interactive logins. It will be a login account using SSH keys.

useradd --create-home --system --shell </path/to/shell> --comment "Management Account" <username>
or
useradd -m -r -s </path/to/shell> -c "Management Account" <username>

Set the password on the account. Remove password login later. This is used for interactive setup.

passwd <username>

Hide the account from interactive login (for desktop/ gui machines)

sudo vi /var/lib/AccountsService/users/<username>

Add the following content.

[User]
XSession=
SystemAccount=true

Without reboot: ALT-F2 end the letter r and hit enter to restart the login manager. Log out and login to verify.

or:

Reboot

To remove the user:

userdel -r <username>
rm -v /var/lib/AccountsService/user/<username>

Restart session (ALT-F2 + r) or Reboot