RedHatlinuxEnterpriseLinux5 sets up MRTG

RedHatlinuxEnterpriseLinux5 sets up MRTG-Linux Enterprise Application-Linux server application information. The following is a detailed description. I would like to ask someone, who uses RedHat linux Enterprise Linux 5 to set up MRTG? Please post the detailed configuration, and I will encounter many problems in the future.
[Root @ localhost Server] #/usr/local/mrtg/bin/login maker public @ localhost>/etc/mrtg. cfg
-- Base: Get Device Info on public @ localhost:
SNMP Error:
No response received ed
SNMPv1_Session (remote host: "localhost" [127.0.0.1]. 161)
Community: "public"
Request ID: 844723821
PDU bufsize: 8000 bytes
Timeout: 2 s
Retries: 5
Backoff: 1)
At/usr/local/mrtg/bin/../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on public @ localhost ::::: v4only
At/usr/local/mrtg/bin/Alibaba maker line 924
WARNING: Skipping public @ localhost: as no info cocould be retrieved







[Root @ localhost ~] #/Usr/local/mrtg/bin/indexmaker/etc/mrtg. cfg -- output =/usr/local/apache/htdocs/index.html -- title = "My MRTG"
ERROR: Line 8 (WorkDir:/usr/local/apache/htdocs) in CFG file (/etc/mrtg. cfg) does not make sense