Date: Sat, 17 Jul 2010 14:04:39 +0300 From: Alex Kozlov <spam@rm-rf.kiev.ua> To: Lowell Gilbert <freebsd-current-local@be-well.ilk.org>, Gabor Kovesdan <gabor@FreeBSD.org>, freebsd-current@FreeBSD.org, spam@rm-rf.kiev.ua Subject: Re: periodic script in base system to run csup Message-ID: <20100717110439.GA47960@ravenloft.kiev.ua>
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On Fri, Jul 16, 2010 at 07:04:38PM -0400, Lowell Gilbert wrote: > Alex Kozlov <spam@rm-rf.kiev.ua> writes: > > On Fri, Jul 16, 2010 at 04:27:39PM +0200, Gabor Kovesdan wrote: > >> Em 2010.07.16. 16:23, Alex Kozlov escreveu: > >> > On Fri, Jul 16, 2010 at 03:58:33PM +0200, Gabor Kovesdan wrote: > >> > > >> > Thousands pc simultaneously try to access cvsup servers? > >> > Sound like a ddos to me. > >> Yes, this was the only concern and that's why I started this discussion. > > And because its periodic, We can't use portsnap solution (random delay > > before csup start). > It's not completely impossible; periodic could spin off a separate shell > for it, with a random delay. It's not clear what the best way to deal > with the output would be, although several approaches present themselves. > It would be a lot more complicated than Gabor's approach, though. I think this is overengineering. I personally just put few lines in root's crontab: ? ? * * * * make -C /usr/src update' >/dev/null and /etc/make.conf: SUPHOST=cvsup?.xx.FreeBSD.org SUP_UPDATE= true SUPFILE= /etc/site/supfile-rel #PORTSSUPFILE= /etc/site/supfile-port DOCSUPFILE= /etc/site/supfile-doc -- Adios
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