Sul config però ho questo errore quando lo genera:

root@arrakis:/usr/mrtg-2/bin# ./cfgmaker --global "Workdir: /var/www/htdocs/mrtg" \
> --global "options[_]: bits, growright" \
> --output /etc/mrtg.cfg \
> arrakis@192.168.0.1
--base: Get Device Info on arrakis@192.168.0.1:
SNMP Error:
no response received
SNMPv1_Session (remote host: "192.168.0.1" [192.168.0.1].161)
community: "arrakis"
request ID: -14209107
PDU bufsize: 8000 bytes
timeout: 2s
retries: 5
backoff: 1)
at /usr/mrtg-2/bin/../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on arrakis@192.168.0.1::::::v4only
at ./cfgmaker line 827
WARNING: Skipping arrakis@192.168.0.1: as no info could be retrieved

--base: Writing /etc/mrtg.cfg

Dopo faccio:

root@arrakis:/usr/mrtg-2/bin# ./mrtg /etc/mrtg.cfg --logging=/var/log/mrtg
Daemonizing MRTG ...
root@arrakis:/usr/mrtg-2/bin# ps aux | grep mrtg
root 24243 0.7 3.6 10148 8756 ? Ss 11:41 0:00 /usr/bin/perl -w ./mrtg /etc/mrtg.cfg --logging=/var/log/mrtg
root@arrakis:/usr/mrtg-2/bin#

e sembra tutto ammodo