title: SNMP on Linux (Centos) not showing load average
body: <p>I installed SNMP on my Linux in order to monitory load balance, disk space etc.</p>
  
  <pre><code>yum install net-snmp net-snmp-utils
  vim /etc/snmp/snmpd.conf   # added "rocommunity  public"
  /etc/init.d/snmpd start
  </code></pre>
  
  <p>Walking the SNMP returns very few entries, no load average, disk space etc.:</p>
  
  <pre><code>snmpwalk -v 1 -c public localhost
  
  SNMPv2-MIB::sysDescr.0 = STRING: Linux XXX 2.6.35.4-rscloud #8 SMP Mon Sep 20 15:54:33 UTC 2010 x86_64
  SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
  DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (232884) 0:38:48.84
  SNMPv2-MIB::sysContact.0 = STRING: Root &lt;root@localhost&gt; (configure /etc/snmp/snmp.local.conf)
  SNMPv2-MIB::sysName.0 = STRING: XXX
  SNMPv2-MIB::sysLocation.0 = STRING: Unknown (edit /etc/snmp/snmpd.conf)
  SNMPv2-MIB::sysORLastChange.0 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORID.1 = OID: SNMPv2-MIB::snmpMIB
  SNMPv2-MIB::sysORID.2 = OID: TCP-MIB::tcpMIB
  SNMPv2-MIB::sysORID.3 = OID: IP-MIB::ip
  SNMPv2-MIB::sysORID.4 = OID: UDP-MIB::udpMIB
  SNMPv2-MIB::sysORID.5 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
  SNMPv2-MIB::sysORID.6 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
  SNMPv2-MIB::sysORID.7 = OID: SNMP-MPD-MIB::snmpMPDCompliance
  SNMPv2-MIB::sysORID.8 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
  SNMPv2-MIB::sysORDescr.1 = STRING: The MIB module for SNMPv2 entities
  SNMPv2-MIB::sysORDescr.2 = STRING: The MIB module for managing TCP implementations
  SNMPv2-MIB::sysORDescr.3 = STRING: The MIB module for managing IP and ICMP implementations
  SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for managing UDP implementations
  SNMPv2-MIB::sysORDescr.5 = STRING: View-based Access Control Model for SNMP.
  SNMPv2-MIB::sysORDescr.6 = STRING: The SNMP Management Architecture MIB.
  SNMPv2-MIB::sysORDescr.7 = STRING: The MIB for Message Processing and Dispatching.
  SNMPv2-MIB::sysORDescr.8 = STRING: The management information definitions for the SNMP User-based Security Model.
  SNMPv2-MIB::sysORUpTime.1 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.2 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.3 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.4 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.5 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.6 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.7 = Timeticks: (0) 0:00:00.00
  SNMPv2-MIB::sysORUpTime.8 = Timeticks: (0) 0:00:00.00
  </code></pre>