Odd reproducible problem - but is it a bug?
I'm using Debian 10.7 with MATE DE [will be updated later this week]
The machine is a Lenovo T510 and is setup to login as either "richard"
or "root".
If logged in as "richard" I can execute su {+ password} and receive a
prompt indicating I'm "root".
However if I then enter "update-grub", the response is
"bash: update-grub: command not found"
as if I were the unprivileged user "richard".
All is normal if I had initially been "root" or had become "root" via
System -> Log Out richard .
Bug?
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