I think I already answered your question. But here I am willing to try one more time.
the way you specified the command: snmpd -Lsd �CLf /var/log/snmpd.log /dev/null This causes the snmpd argument parser to take "/dev/null" as the "listening address". Normally you would be specifying something like 192.168.2.1:161. But since you used /dev/null at that place, the parser would treat it as an "Unix domain socket" and try to open it. While it is trying to open it it changed its permission from character device (you saw a'c' before) into an unix domain socket (you saw a 's' after). In your words /dev/null "文件属性从c 变成了s". The snmpd argument parser assumes the listening address is an Unix domain if the first character of the <transport-address> is '/'. I suggest you simply remove /dev/null from your config. Xiang On 6/3/2011 8:47 PM, 张莉|li.zhang wrote: > > Dear li: > > Thanks for your help; > > I already know;snmpd -Lsd �CLf /var/log/snmpd.log /dev/null is wrong; > but the / dev / null attributes to change; I do not understand what is > advanced through the command or function to / dev / null change, I > want to know the reason; If you can not be answered here, I trouble > you to reflect the higher engineers deep problems; for that; Thank you; > > Thank you > > > > _______________________________________________ > Net-snmp-users mailing list > [email protected] > <mailto:[email protected]> > Please see the following page to unsubscribe or change other options: > https://lists.sourceforge.net/lists/listinfo/net-snmp-users > > -- > Xiang Li > http://www.champnms.com -- Xiang Li http://www.champnms.com
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