Tuesday, October 19, 2010

How to install snmpd service for Ubuntu 10.04

How to install snmpd service for Ubuntu 10.04


root@localhost:~# apt-get install snmpd

then edit snmpd to bind on interface on linux by command

root@localhost:~# vi /etc/default/snmpd
change line

SNMPDOPTS='-Lsd -Lf /dev/null -u snmp -g snmp -I -smux -p /var/run/snmpd.pid 127.0.0.1'

to

SNMPDOPTS='-Lsd -Lf /dev/null -u snmp -g snmp -I -smux -p /var/run/snmpd.pid'

edit snmpd config

root@localhost:~# vi /etc/snmp/snmpd.conf
from line

# sec.name source community
com2sec paranoid default public
#com2sec readonly default public
#com2sec readwrite default private

####
# Second, map the security names into group names:

# sec.model sec.name
group MyROSystem v1 paranoid
group MyROSystem v2c paranoid
group MyROSystem usm paranoid
group MyROGroup v1 readonly
group MyROGroup v2c readonly
group MyROGroup usm readonly
group MyRWGroup v1 readwrite
group MyRWGroup v2c readwrite
group MyRWGroup usm readwrite



To
Sample for allow ip from network 192.168.0.0/24 to access snmpd on this server


# sec.name source community
#com2sec paranoid default public
com2sec readonly 127.0.0.1/32 public
com2sec readonly 192.168.0.0/24 public
#com2sec readwrite default private

####
# Second, map the security names into group names:

# sec.model sec.name
#group MyROSystem v1 paranoid
#group MyROSystem v2c paranoid
#group MyROSystem usm paranoid
group MyROGroup v1 readonly
group MyROGroup v2c readonly
group MyROGroup usm readonly
#group MyRWGroup v1 readwrite
#group MyRWGroup v2c readwrite
#group MyRWGroup usm readwrite


save config and restart service

root@localhost:~# /etc/init.d/snmpd restart

check snmp binding address

root@localhost:~# netstat -tuanp |grep :161
udp 0 0 0.0.0.0:161 0.0.0.0:* 26696/snmpd
root@localhost:~#


test snmp config

root@localhost:~# snmpwalk -v1 -c public 127.0.0.1 system
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost 2.6.35-22-generic #34-Ubuntu SMP Thu Oct 7 14:15:41 UTC 2010 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (5788) 0:00:57.88
SNMPv2-MIB::sysContact.0 = STRING: Root (configure /etc/snmp/snmpd.local.conf)
SNMPv2-MIB::sysName.0 = STRING: localhost
SNMPv2-MIB::sysLocation.0 = STRING: Unknown (configure /etc/snmp/snmpd.local.conf)
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORID.1 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.2 = OID: SNMP-MPD-MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.3 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
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::sysORDescr.1 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.3 = STRING: The management information definitions for the SNMP User-based Security Model.
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::sysORUpTime.1 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (2) 0:00:00.02
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (2) 0:00:00.02
root@localhost:~#

Have fun with Ubuntu Linux

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