Installing the Ubuntu SNMPv3 Service

Would you like to learn how to install the Ubuntu SNMPv3 Service? In this tutorial, we are going to show you how to install and configure an SNMP server version 3 on Ubuntu Linux version 17.

Hardware List:

The following section presents the list of equipment used to create this Ubuntu Linux tutorial.

Every piece of hardware listed above can be found at Amazon website.

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Tutorial – Ubuntu SNMPv3 Server

On the Linux console, use the following commands to install the required services.

# apt-get update
# apt-get install snmpd snmp

Now, you should find the location of the snmpd.conf file on your system.

After finding, you need to edit the snmpd.conf file.

# updatedb
# locate snmpd.conf

# vi /etc/snmp/snmpd.conf

Here is the original file, before our configuration and without the comments.

agentAddress udp:127.0.0.1:161
view systemonly included .1.3.6.1.2.1.1
view systemonly included .1.3.6.1.2.1.25.1
rocommunity public default -V systemonly
rocommunity6 public default -V systemonly
rouser authOnlyUser
sysLocation Sitting on the Dock of the Bay
sysContact Me <me@example.org>
sysServices 72
proc mountd
proc ntalkd 4
proc sendmail 10 1
disk / 10000
disk /var 5%
includeAllDisks 10%
load 12 10 5
trapsink localhost public
iquerySecName internalUser
rouser internalUser
defaultMonitors yes
linkUpDownNotifications yes
extend test1 /bin/echo Hello, world!
extend-sh test2 echo Hello, world! ; echo Hi there ; exit 35
master agentx

Here is the new file with our configuration.

syslocation Universe10 – IT Room
sysContact Zamasu <zamasu@dbsuper.com>
createUser gohan SHA 1234567890 AES 0987654321
rouser gohan authPriv

The username gohan was created and configured to use the password 1234567890 for authentication and the password 0987654321 to encrypt the SNMP communication.

The contact person responsible for this Linux was configured as Zamasu.

The location of the equipment was configured as the IT Room of Universe 10.

You should also restart SNMP manually and verify the service status.

# service snmpd stop
# service snmpd start
# service snmpd status

Here is an example of the SNMP service status output

● snmpd.service – LSB: SNMP agents
Loaded: loaded (/etc/init.d/snmpd; bad; vendor preset: enabled)
Active: active (running) since Wed 2018-04-25 04:04:49 UTC; 55s ago

You have successfully installed the Ubuntu SNMPv3 service.

You have successfully configured the Ubuntu SNMP version 3 service.

To test your SNMP server configuration, use the following commands.

# snmpwalk -v3 -u gohan -l AuthPriv -a SHA -A 1234567890 -x AES -X 0987654321 127.0.0.1

Here is a small sample of the SNMPWALK output.

iso.3.6.1.2.1.1.1.0 = STRING: “Linux Ubuntu SMP Mon Feb 12 23:05:58 UTC 2018 x86_64”
iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.8072.3.2.10
iso.3.6.1.2.1.1.3.0 = Timeticks: (32633) 0:05:26.33
iso.3.6.1.2.1.1.4.0 = STRING: “Zamasu <zamasu@dbsuper.com>;”
iso.3.6.1.2.1.1.5.0 = STRING: “ip-172-31-32-222”
iso.3.6.1.2.1.1.6.0 = STRING: “Universe10 – IT Room”
iso.3.6.1.2.1.1.8.0 = Timeticks: (0) 0:00:00.00