On Thu, Aug 26, 2021 at 02:26:54PM -0400, Greg Wooledge wrote: > On Thu, Aug 26, 2021 at 08:16:23PM +0200, tomas@tuxteam.de wrote: > > On Thu, Aug 26, 2021 at 06:24:01PM +0100, Brian wrote: > > > On Thu 26 Aug 2021 at 11:31:30 -0400, Greg Wooledge wrote: > > > > > > > On Thu, Aug 26, 2021 at 04:25:54PM +0100, Brian wrote: > > > > > > [...] > > > > > > > > I also forgot: after carrying out the corrected procedure, log out and > > > > > log back in. > > > > > > > > This is the part that I don't quite understand. How does that matter? > > > > > > The system needs to be updated on the groups the user is in. CUPS will > > > consult it. > > > > there is also newgrp(1), that might do it (I haven't tried it explicitly). > > Do what? What's "it"? > > Why would opening a shell with a new set of group privileges inside your > interactive session change how a daemonized CUPS web agent acts? I haven't looked into it. I don't even want to know how the client passes the creds to the server (if at all) [1]. It seems (is it confirmed?) that belonging to some group (lpadmin?) does the trick. > Logging out and back in is necessary for ensuring that your interactive > shells, your word processors, your web browsers, and so forth, are running > with your newly acquired privileges [...] That's the part I was proposing newgrp might "do", instead of logging in anew. Cheers [1] I fear I'd get some depression if it is like that and I find out ;-) - t
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