[CentOS] Re: Planning Mail Server (with low resources)

Wed Dec 7 19:49:19 UTC 2005
Rodrigo Barbosa <rodrigob at suespammers.org>

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On Wed, Dec 07, 2005 at 10:55:42AM -0800, Bryan J. Smith wrote:
> Rodrigo Barbosa <rodrigob at suespammers.org> wrote:
> > Having /etc readonly is kind of tricky.
> > Are you sure that is a good idea ?
> 
> That was my exact thought as well.  You can separate out
> everything except /etc, which really needs to be on /.
> 
> Ideally any programs/services should not be automatically
> writing to /etc (but /var or /srv instead), but that's hardly
> the reality.

Maybe I'm just used to the old SysV systems, but every time I
see /etc/mtab as a link to something on /var I want to scream.

We also have to remember that historicaly the homedir for root was
/. Even these days we still see it as /root. I'm sure you remember
all the reasons for it not being on /home, so I won't get into that.

Anyway, I agree that ideally the changeable areas should be restricted,
or at least grouped, to simplify management.

It is, of course, theoreticaly possible to have / mounted ro. Will take
a good bunch of symlinks, tho, so I would not recomend it to anyone.

[]s

- -- 
Rodrigo Barbosa <rodrigob at suespammers.org>
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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