Install SNMP.<\/p>\n
yum install net-snmp net-snmp-utils<\/pre>\nConfigure the SNMP V3 user by running the following command and then following the prompts it gives you.<\/p>\n
net-snmp-create-v3-user<\/pre>\nExample: The username is “snmpadmin” and the password is”r123456″<\/p>\n
[root@localhost ~]# net-snmp-create-v3-user\nEnter a SNMPv3 user name to create:\nsnmpadmin\nEnter authentication pass-phrase:\nr123456\nEnter encryption pass-phrase:\n\u00a0 [press return to reuse the authentication pass-phrase]\n\nadding the following line to \/var\/lib\/net-snmp\/snmpd.conf:\n\u00a0\u00a0 createUser snmpadmin MD5 \"r123456\" DES\nadding the following line to \/etc\/snmp\/snmpd.conf:\n\u00a0\u00a0 rwuser snmpadmin\n[root@localhost ~]#\n\n<\/pre>\nChange the syslocation and syscontact in the \/etc\/snmp\/snmpd.conf file.<\/p>\n
vi \/etc\/snmp\/snmpd.conf<\/pre>\nStart snmpd service<\/p>\n
service snmpd start<\/pre>\nConfigure snmp to start on system boot.<\/p>\n
chkconfig snmpd on<\/pre>\nTest and make sure snmp is working<\/p>\n
replace “password” and “username” with the ones you setup when you created the SNMP V3 user.<\/p>\n
snmpwalk -v3 -a MD5 -A password -x DES -X password -l authPriv -u privuser localhost<\/pre>\nIf you receive something like “snmpwalk: Timeout” then something is not working correctly.\u00a0 Check to make sure the service is started, and make sure that your firewall is not blocking SNMP.<\/p>\n
If you are running a firewall, run the following commands to allow it through.<\/p>\n
firewall-cmd --zone=public --add-port=161\/udp --permanent\nsemanage port -a -t snmp_port_t -p udp 161\nfirewall-cmd --reload<\/pre>\nOn iptables you should be able to do<\/p>\n
iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport 161 -j ACCEPT<\/pre>\nor add it to \/etc\/sysconfig\/iptables and then restart iptables<\/p>\n","protected":false},"excerpt":{"rendered":"
Install SNMP. yum install net-snmp net-snmp-utils Configure the SNMP V3 user by running the following command and then following the prompts it gives you. net-snmp-create-v3-user Example: The username is “snmpadmin” and the password is”r123456″ [root@localhost ~]# net-snmp-create-v3-user Enter a SNMPv3 … Continue reading