I think your problem is exactly this step as the error you
are getting says:
/I've configured BackupPC on the new server with all the
same requested settings as was on the old server and had
even predefined the user and group backuppc to match the
same UIDs as on the old server to ensure compatibility with
the existing USB data drive. I've compared configure.pl on
both machines and have noticed no significant differences./
//
/
/
//
/I am running into the setuid problem, eg. when running it I
receive the following message: "Error: Wrong user: my userid
is 33, instead of 117(backuppc)" where userid 33 = www-data.
/During system install other system daemons have been
assigned the same UID's as you have assigned the backuppc
user and httpd and their owned files. I've gone through this
process and it is a good afternoons worth of painstaking
hunting down the daemons in etc/passwd and changing their
and their owned files UID's first prior to installing
backuppc and httpd (apache). It's painful but you get to
learn some other tools to search out and make changes.
Fortunately I don't have to do it more often than every ten
years.
On 11/4/22 14:54, Dave Bachmann wrote:
My old server is dying, I've purchased a new machine to
replace it, and am having difficulties getting BackupPC
working properly.
The old server has been running various LTS versions of
Ubuntu and BackupPC for at least 10 years and both it and
the new server are now running Ubuntu 22.04.1 with perl
5.34.0.
I've configured BackupPC on the new server with all the
same requested settings as was on the old server and had
even predefined the user and group backuppc to match the
same UIDs as on the old server to ensure compatibility
with the existing USB data drive. I've compared
configure.pl on both machines and have noticed no
significant differences.
I am running into the setuid problem, eg. when running it
I receive the following message: "Error: Wrong user: my
userid is 33, instead of 117(backuppc)" where userid 33 =
www-data.
/etc/systemd/system/backuppc.service has both user and
group set to backuppc. BackupPC_Admin has the following
attributes:
-r-sr-xr-x 1 backuppc backuppc 3971 2022-11-03 10:38
BackupPC_Admin.
I've reviewed the section "The CGI script doesn't run; how
do I fix it?", but I still don't quite understand how to
fix it. The testsetuid script returns root when run by
root and my name when I run it as myself; it does not
execute when run by user backuppc.
Any thoughts and suggestions gratefully accepted as I
continue to lose my remaining hair.
TIA,
Dave
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