On 2020-09-15 13:39:42 Dr. Nikolaus Klepp wrote:
> Anno domini 20:09:27 Tue, 15 Sep 2020 +0200 (CEST)
>
>  Felmon Davis via tde-users scripsit:
> > On Tue, 15 Sep 2020, Dr. Nikolaus Klepp wrote:
> > > Anno domini 18:08:23 Tue, 15 Sep 2020 +0200 (CEST)
> > > Felmon Davis scripsit:
> > >
> > > [...]
> > >
> > >> I take it with systemd-homed one doesn't get trapped by shifting UIDs
> > >> and such. they write (partial quotation),
> > >>
> > >> "Linux assigns UIDs in the order usernames are registered on a
> > >> machine. you may get UID 1000 if you are the first user on a laptop
> > >> and you could get 1001 on another laptop if you are the second user to
> > >> be registered there. This poses a problem if you move a home directory
> > >> container from machine A where you're UID 1000 to machine B where you
> > >> are 1001. systemd-homed solves this by doing a chown -R on the entire
> > >> home directory if there is a conflict. [...]"
> > >>
> > >> I once fell athwart of that! not to mention that 'home' gets
> > >> encrypted.
> > >>
> > >> why isn't this a net bonus?
> > >
> > > There are hords of resons.
> >
> > many of the reasons you cite go beyond my technical knowledge but I'll
> > venture comments on a couple:
>
> (I need more popcorn .. and a spellchecker)
>
> > > 1) security relies on trust into the computer you plug your home in.
> > > Well, that's a bad plan to begin with. System is compromised, sor
> > > your home is now compromised, too. And becaus of the ease to do, you
> > > compromomise all systems you go to that day and the next day ...
> >
> > I guess it depends on the intended use-case. if I want to transfer
> > 'home' to another one of my computers, there is no problem or rather,
> > I already had a problem if the computer I'm transferring to is
> > compromised.
>
> Which raises the question: why would a user wander with his home on a stick
> from computer to computer? For "security"? His/Her home an be stolen, lost,
> corrupted ... for what? To "ease" backup? Definitly not. That was why NFS
> was invented. DJs with floppies in their hands preceded NFS. I thought that
> times were dead for good.
>
> > and as someone pointed out further down-thread (sorry, I can't find
> > the msg!) this may be suitable to a business environment.
>
> Yes, I can vividly imagine some suits not carring their Notebooks around
> but USB flashdives .. no, won't happen. Companies have servers - there is a
> reason why these bethelemoths are named that way. Campus/university? Nop,
> neither that. Everybody has his/her notebook ... oh, maybe it is intended
> to use a home on the phone and plug that thing as USB flashdrive .. no,
> won't happen either, we had that problem on the list earlier.
>
> > > 2) TRhis problem was solved when? 40 years ago? When was it,
> > > NFS+yellowpages was introduced?
> >
> > I have no idea. will have to look this up.
>
> 1984 that was. What a magical number, so full of inspiration.
>
> > sometime.
> >
> > > 3) It does not address at all the problems of different hardware and
> > > different OS. You can share your home on any *nix system you like -
> > > if you are a bit coutious - without systemd-homed. You cannot any
> > > more when you use systemd-homed.
> >
> > I don't follow. even rsync-ing to another computer may involve some
> > fix-ups as Kate expressly indicated. you are saying once installed by
> > 'systemd-homed' I cannot fix configuration files in 'home'?
>
> You can. But then you have to fix systemd-homed before (remember that JSON
> file), 'cause sooner or later some genus will find out about "user groups",
> and will start to "fix" that, too. And each run of "chown ..." will change
> the entire home directory, so your flashdrive will like it.
>
> > > 4) WTF encrypted JSON? This is soooo systemd. Remember the "benefits"
> > > of binary logfiles? 5) "systemd-homed" looks more like "systemd-owned"
> > > than anything else.
> > >
> > > Nik
> >
> > I don't use systemd or at least didn't until it cropped up in my
> > install of MX and 4QOS but I think that's minimalistic.
>
> If you have only "libsystemd0" it's ok, if you have systemd as init .. you
> remeber "svchost" from windows?
>
> > anyway, I'm not advocating systemd, just wondering what's so terrible
> > about systemd-homed.
>
> It solves a problem that does not exist since 1984. It solves it in a way
> that it breaks onlmost anything but the most simple usecase - and there
> it's not needed in the first place.
>
> > it sounds like what's terrible about systend-homed is that it's
> > systemd!
>
> Knowinf the origin of a software often gives a strong hint on what to
> expect. And yes, comming from systemd is alost the same nogo as comming
> from gnome.
>
> Nik
>
> > f.

	homed looks to me like another cure in search of a disease, much like the
semantic search "improvements" added in various desktops that made them
mostly unresponsive.
	As Victor Borge said of his uncle the inventor, "He discovered the cure for
which there was no disease.  Unfortunately, he later caught the cure and
died." :-)

Leslie
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