custom SNMP for custom graph
in [Debian]
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From: Mihamina Rakotomandimby on 9 Mar 2010 09:30 Manao ahoana, Hello, Bonjour, I have an already working MRTG+SNMP+Apache here: http://srv3.rktmb.org:90/mrtg/ I try to make a custom MRTG graph First, I need to build SNMP stuff. Say I want to monitor the access of my web server by counting the number of lines of my access_log file. Just that simple, to begin. I have a script: /usr/local/bin/ocsigen_access containing: #!/bin/bash echo "ocsigen" echo $(wc -l /var/log/ocsigen/access.log | awk '{print $1}') exit 35 Then in my /etc/snmp/snmpd.conf, I added: exec .1.3.6.1.4.1.2021.254 ocsigen /usr/local/bin/ocsigen_access Then restart SNMPd invoke-rc.d snmpd restart Then on the same host: snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.2021.254 (returns nothing...) What did I miss? PS: $ echo $(wc -l /var/log/ocsigen/access.log | awk '{print $1}') 510502 $ Misaotra, Thanks, Merci. -- Architecte Informatique chez Blueline/Gulfsat: Administration Systeme, Recherche & Developpement +261 34 29 155 34 / +261 33 11 207 36 -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/20100309172611.09cc4fa6(a)pbmiha.malagasy.com
From: James Wu on 9 Mar 2010 11:00 I think you want to use sh instead of exec. Quoting from the man page: "The PROG argument for exec directives must be a full path to a real binary, as it is executed via the exec() system call. To invoke a shell script, use the sh directive instead." Also, I'd double check to make sure the script has the proper permissions set so that it is executable by the snmpd daemon. If all fails, I'd grep /var/log for snmpd and see what sort of errors you get. They're usually quite helpful. James -----Original Message----- From: Mihamina Rakotomandimby [mailto:mihamina(a)gulfsat.mg] Sent: March 9, 2010 9:26 AM To: List Debian User; net-snmp-coders(a)lists.sourceforge.net Subject: custom SNMP for custom graph Manao ahoana, Hello, Bonjour, I have an already working MRTG+SNMP+Apache here: http://srv3.rktmb.org:90/mrtg/ I try to make a custom MRTG graph First, I need to build SNMP stuff. Say I want to monitor the access of my web server by counting the number of lines of my access_log file. Just that simple, to begin. I have a script: /usr/local/bin/ocsigen_access containing: #!/bin/bash echo "ocsigen" echo $(wc -l /var/log/ocsigen/access.log | awk '{print $1}') exit 35 Then in my /etc/snmp/snmpd.conf, I added: exec .1.3.6.1.4.1.2021.254 ocsigen /usr/local/bin/ocsigen_access Then restart SNMPd invoke-rc.d snmpd restart Then on the same host: snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.2021.254 (returns nothing...) What did I miss? PS: $ echo $(wc -l /var/log/ocsigen/access.log | awk '{print $1}') 510502 $ Misaotra, Thanks, Merci. -- Architecte Informatique chez Blueline/Gulfsat: Administration Systeme, Recherche & Developpement +261 34 29 155 34 / +261 33 11 207 36 -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/20100309172611.09cc4fa6(a)pbmiha.malagasy.com -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/FFFA2CACDB4D5C44A24B09301138121801177ED1(a)ersbs2.eyeReturn.local
From: Mihamina Rakotomandimby on 10 Mar 2010 01:30 > Then in my /etc/snmp/snmpd.conf, I added: > exec .1.3.6.1.4.1.2021.254 ocsigen /usr/local/bin/ocsigen_access grepping the logs: Mar 10 07:00:11 ns309487 snmpd[12609]: /etc/snmp/snmpd.conf: line 335: Error: ERROR: This output format has been deprecated Please use the 'extend' directive instead Using "extend", it works What stupid I am when I forgot to grep the logs... -- Architecte Informatique chez Blueline/Gulfsat: Administration Systeme, Recherche & Developpement +261 34 29 155 34 / +261 33 11 207 36 -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/20100310092601.2ac82438(a)pbmiha.malagasy.com
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