This chapter covers the following requirements for Novell’s Certified Linux Engineer (CLE) 9 certification:
1. Use ntop and Nagios to monitor network traffic.
2. Use ethereal and tcpdump to troubleshoot network problems.
3. Use SNMP to monitor network devices.
As a network administrator, you wear many hats in your organization. Management expects you to be able to install and configure the latest hardware they just purchased. Users expect you to be able to figure out why they can’t find their oh-so-important spreadsheet file.
In addition to these roles, you also are responsible for managing the traffic on your network. In this chapter, you will learn how to use SLES 9 to keep tabs on what’s ...