Yes, you get this error without the sudo:

ERROR  : Could not escalate effective user privileges: Operation not permitted

<<>> on 
behalf of Robert Schmidt <<>>
Reply-To: "<>" 
Date: Tuesday, August 16, 2016 at 10:19 AM
To: "<>" 
Subject: Re: [easybuild] singularity

I think it needs sudo to change permissions to setuid on the binary so it can 
do the chroot stuff it does.

On Tue, Aug 16, 2016 at 10:17 AM Åke Sandgren 
<<>> wrote:
Or just ignore that the instruction say that it needs sudo, it doesn't.

That's just (with ~99% probability) stupid instructions, that want to
install in a directory where users normaly don't have access.

Using easybuild (or when buliding by hand) you should NEVER install as
root or using sudo!

On 08/16/2016 04:09 PM, Jack Perdue wrote:
> Howdy Todd,
> You could try:
> preinstallopts = "sudo "   # be sure to have a trailing space in the quotes

Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet:<>   Phone: +46 90 7866134 
Fax: +46 90-580 14
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