Setting up an SNMP agent
The previous section talked about how to communicate with SNMP agents. If you have a network device such as a router or a WiFi, WiMax, or DSL gateway, it is highly probable that it will also come with a built-in SNMP agent.
The next step is to set up the SNMP agent on one or more computers so that we can use SNMP to monitor servers or workstations. In this way, a majority of the networked equipment will allow monitoring from a single machine using the SNMP protocol.
Let's start with various UNIX boxes. The SNMP agent is a part of Net-SNMP, and several distributions usually come with command-line tools, libraries, and the SNMP agent as optional packages.
In our case, we will install the SNMP agent on Ubuntu Linux by running ...
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