[NTLUG:Discuss] Getting rid of a core with a link
Robert Citek
rwcitek at alum.calberkeley.org
Sat Sep 10 15:18:23 CDT 2005
On Sep 10, 2005, at 2:34 PM, Kevin Brannen wrote:
> Russ wrote:
> BTW, do *not* attempt to remove /proc/kcore.
Relax. There's nothing to worry about. In fact, I'd say go for it,
but not on your production machine. If you are successful, please
post back. I've tried several times as root and was resoundingly
rebuffed each time with "Operation not permitted". I've also tried
'echo > /proc/kcore'. Didn't get an error, but nothing changed, either.
> In fact, don't ever attempt to modify anything in /proc; look with
> "cat", but don't modify.
Never? That's probably a bit overreaching. /proc is a really
convenient way to modify your system's settings. In fact, a grep
through the /etc files shows that many configuration scripts do just
that:
grep -r '> *\/proc' /etc
/proc is probably one of the least understood, yet probably one of
the most powerful features of Linux. I'd say setup a spare system
and start poking around in /proc. You'll learn a lot. 'man proc' is
also a fair read. It's not great, but a start.
Regards,
- Robert
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