[afnog] Self induced Mail Server (POP) crash and recovery.

[Ismail M. Settenda]

Hi Frank,

The thing u need root rights to do maintenance and even with sudo I am sure
this would still have happened. Maybe one could dont do when on the phone
but again down the road I doubt this would be applicable

Will definitely try the below...shukran.

--
Ismail


On Thu, Nov 19, 2009 at 1:17 PM, Frank Habicht <geier at geier.ne.tz> wrote:

> On 11/19/2009 1:01 PM, Ismail M. Settenda wrote:
>
> > So I am curious after all this;
> >    1. Is it that easy to cripple a server and what steps does one take
> >       to avoid it (lets ignore unauthorized entry for now).
> make sure you always work as root so any mistyped command can do maximum
> damage. </sarcasm>
>
>
> >    2. Could the immediate recovery strategy and decisions have been
> >       handled better?
> on a server with very similar versions of freebsd:
> sudo tar czf - /usr | ssh ismail at mail.server dd  \
>  of=freebsd_version_usr.tgz
> and then extract there carefully....?
> should be faster than your 6 hours.
>
> >    3. Any ideas on how to avoid this in future and how to recover better?
> stop working as root !
> You can also mount the /usr partitions read-only ...
> but i guess freebsd has some config files under /usr/local/etc...
>
>
> Frank
>
> PS: on bsd the real passwords are in a db file, not /etc/passwd & shadow
> ...
>
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