Re: CASE CLOSED... Re: "peer" authentication: cannot make "pg_ident.conf" work as I believe that the doc says that it should

On Mon, Oct 31, 2022 at 8:19 PM Bryn Llewellyn <bryn(at)yugabyte(dot)com> wrote:

>
> This is what I see. I have Ubuntu 20.04 LTS VM using Parallels Desktop
> Version 18.
>
> # adduser 'dog$house'
> adduser: To avoid problems, the username should consist only of
> letters, digits, underscores, periods, at signs and dashes, and not start
> with
> a dash (as defined by IEEE Std 1003.1-2001). For compatibility with Samba
> machine accounts $ is also supported at the end of the username
>
> I tried your longer version verbatim:
>
> useradd -m -s /bin/bash 'mac$crooge'
>
> and that quietly succeeded. I'd left out "-m" and "-s" because, for an
> ordinary username, I get the home directory that I want and the (bash)
> shell that I want without explicitly asking for these.
>
> It's bizarre that, merely by being explicit about these two fact, I'm now
> allowed to have a name with a dollar-sign—notwithstanding what the text of
> the earlier error message claimed. I wondered if that it wasn't an error
> message at all—and was just a warning. But "cat /etc/passwd" showed me that
> "dog$house" had not been created while "mac$crooge" HAD been.
>
>
Also note the "useradd" != "adduser" - you are running two different
commands. One of them is stock Linux while the other is provided by Ubuntu
(probably Debian, actually, too lazy to research specifics).

David J.