On our second server, the one that we will be interacting with that will run the daemon, we can install the necessary components by typing: sudo apt-get update Sudo apt-get install snmp snmp-mibs-downloader Along with this, we will also download another package called snmp-mibs-downloader which contains some proprietary information about standard MIBs that allow us to access most of the MIB tree by name: sudo apt-get update On the first server, update the apt database and install the manager component. We could choose to install the agent on the manager machine as well, but keeping them separate makes it easier to demonstrate what functionality is provided by each component. We will use two servers, one will contain the manager portion, while the other server will have the agent. We can begin to explore how SNMP can be implemented on a system by installing the daemon and tools on some Ubuntu systems. We will be using two Ubuntu 14.04 servers to demonstrate, but most other systems should be able to follow along with a few modifications. In this guide, we will begin to demonstrate how to setup the tools to communicate using SNMP. In our last guide, we learned about the basics of the SNMP protocol. While the protocol itself is very simple, the structure of programs that implement SNMP can be very complex. It is a way that servers can share information about their current state, and also a channel through which an administer can modify pre-defined values. SNMP stands for simple network management protocol. Many of them are built upon a technology called SNMP. There are a number of tools and options for gathering and processing this type of information. A large part of being a system administrator is collecting accurate information about your servers and infrastructure.
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