net-snmpのインストール

$ sudo yum install net-snmp
...
$ cd /etc/snmp
$ sudo cp snmpd.conf snmpd.conf.bak
$ sudo vi snmpd.conf
...
#       sec.name  source          community
com2sec notConfigUser  default       public ←コミュニティ名は変えてくださいよ
...
# Make at least  snmpwalk -v 1 localhost -c public system fast again.
#       name           incl/excl     subtree         mask(optional)
#view    systemview    included   .1.3.6.1.2.1.1      ←コメントアウトしました
#view    systemview    included   .1.3.6.1.2.1.25.1.1 ←コメントアウトしました
view    systemview    included   .1 ←追加しました(乱暴ですが)
...
$ snmpwalk -v 1 -c public localhost
Timeout: No Response from localhost
$ sudo service snmpd start
Redirecting to /bin/systemctl  start snmpd.service
$ snmpwalk -v 1 -c public localhost
SNMPv2-MIB::sysDescr.0 = STRING: Linux fedora 3.2.5-3.fc16.i686 #1 SMP Thu Feb 9 02:24:08 UTC 2012 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (2202) 0:00:22.02
SNMPv2-MIB::sysContact.0 = STRING: Root  (configure /etc/snmp/snmp.local.conf)
SNMPv2-MIB::sysName.0 = STRING: fedora
SNMPv2-MIB::sysLocation.0 = STRING: Unknown (edit /etc/snmp/snmpd.conf)
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (4) 0:00:00.04
SNMPv2-MIB::sysORID.1 = OID: SNMP-MPD-MIB::snmpMPDMIBObjects.3.1.1
SNMPv2-MIB::sysORID.2 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORID.3 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.4 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.5 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.6 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.7 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.8 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.9 = OID: SNMP-NOTIFICATION-MIB::snmpNotifyFullCompliance
SNMPv2-MIB::sysORID.10 = OID: NOTIFICATION-LOG-MIB::notificationLogMIB
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.3 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.7 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.8 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.9 = STRING: The MIB modules for managing SNMP Notification, plus filtering.
SNMPv2-MIB::sysORDescr.10 = STRING: The MIB module for logging SNMP Notifications.
...

参照したURL:
http://saba.nitty-gritty.org/500mrtg/62_netsnmp.html

自動起動の設定

$ sudo systemctl enable snmpd.service

参照したURL:
Fedora Documentation
Chapter 7. Services and Daemons
http://docs.fedoraproject.org/en-US/Fedora/16/html/System_Administrators_Guide/ch-Services_and_Daemons.html
16.5.2. Running the Net-SNMP Daemon
http://docs.fedoraproject.org/en-US/Fedora/16/html/System_Administrators_Guide/sect-System_Monitoring_Tools-Net-SNMP-Running.html