> -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx > [mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf Of Timothy Murphy > Sent: Sunday, August 21, 2005 9:18 AM > To: fedora-list@xxxxxxxxxx > Subject: Re: snmp versus /proc > > Alexander Dalloz wrote: > > >> I've been looking (not very hard) at RRD (round-robin > database), and > >> I notice that several examples displaying things like memory usage > >> use snmp (more precisely snmpwalk) to gather the information. > >> > >> I'm just wondering if this still makes sense. > >> Most of the information seems to be available in /proc , and I > >> wondered if it is just conservatism that leads people to > keep on with > >> snmp ? > > > Programming with SNMP you get a wider range of network device's > > information than just by systems having a /proc partition > (like Linux; > > on BSD /proc often isn't even mounted for security reasons). > > I can well believe that; > SNMP seems to display an infinite number of variables. > > However, all the examples I've seen > are actually looking at variables available from /proc or > iptables, and it just struck me that the additional > complication of setting up snmp made the whole rrd thing > absurdly complicated (ie I haven't succeeded in getting it working!) > > It just struck me that snmp + rrd might be something that > administrators of large systems had got into the habit of > using, which might actually not make sense any longer. > > But as I said, I don't really know what I am talking about ... > > -- > Timothy Murphy > e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie > tel: +353-86-2336090, +353-1-2842366 > s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list > > If you're interested in a good example of using SNMP for such graphs take a look at Cacti: http://www.cacti.net/download_cacti.php I love it and it has made tracking a number of problems on our network easier (everything from CPU fan speeds, hd space, network utilization, to room temperature at night getting too high and power spikes every morning at 3:30) -Mike
