Net-snmp

General Information

How to install the net-snmp service for monitoring.

Checklist

• Distro(s): Enterprise Linux

• Install net snmp

  yum install net-snmp-utils net-snmp

• Create the SNMPv3 User

  net-snmp-create-v3-user -ro -A <Authpw> -X <Encryptionpw> -a SHA -x AES <snmpv3username>

  • Example:

    net-snmp-create-v3-user -ro -A MyAuthPW123 -X MyEncryptPW123 -a SHA -x AES systempoller

• Comment out default user and group

  sed -i 's/^com2sec notConfigUser/#com2sec notConfigUser/' /etc/snmp/snmpd.conf
  sed -i 's/^group   notConfigGroup/#group   notConfigGroup/' /etc/snmp/snmpd.conf

• Start the snmpd service
  • EL7

    systemctl start snmpd

  • EL6

    service snmpd start

• Configure service to start at boot
  • EL7

    systemctl enable snmpd

  • EL6

    chkconfig snmpd on

• Test the user

  snmpwalk -u <snmpv3username> -A <Authpassword> -a SHA -X <Encryptionpassword> -x AES -l authPriv -v3 127.0.0.1 | head

Location: /etc/snmp/snmpd.conf

Configure SNMP System Information

syslocation Datacenter, Row 3, Rack 2
syscontact UNIX Admin <admin@example.com>