Update for UbuntuMATE 16.04.6 broke the GUI

[Bret Busby]

On 25/08/2019, Ralf Mardorf via ubuntu-users
<ubuntu-users at lists.ubuntu.com> wrote:
> On Sun, 25 Aug 2019 22:03:38 +0800, Bret Busby wrote:
>>I have only one user set up, on each of my systems, from installation;
>>me.
>>
>>On both of the two broken systems; 16.04.6 and 18.04.3,
>>sudo adduser
>>returns
>>
>>"
>>adduser: Only one or two names allowed.
>>"
>>
>>then, it returns to the prompt.
>>
>>Both (and, all of my Ubuntu) systems are UbuntuMATE.
>
> 'adduser' seems to be interactive on FreeBSD, but seemingly just was
> interactive, but obviously isn't anymore on Ubuntu.
>
> Usually on Linux 'sudo useradd -m testusername' creates a user and adds
> defaults, IOW home, login shell etc., this might not work on Ubuntu.
>
> You should run 'sudo adduser testusername', this at least should create
> a home, but might not add the user to a set of default groups.
>

The syntax
sudo adduser username
as you suggested, and, as was otherwise suggested, was the solution.

My understanding of the command syntax, was wrong - I wrongly thought
that entering
sudo adduser
would prompt me for a username.

So, thank you for your help.

-- 
Bret Busby
Armadale
West Australia
..............

"So once you do know what the question actually is,
 you'll know what the answer means."
- Deep Thought,
 Chapter 28 of Book 1 of
 "The Hitchhiker's Guide to the Galaxy:
 A Trilogy In Four Parts",
 written by Douglas Adams,
 published by Pan Books, 1992

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