Linux® Quick Fix

You'll learn how to use several in this chapter, including MRTG, which is based on SNMP and monitors raw network traffic, and Webalizer, which tracks Web site hits....

That's a lot of new terms to digest in two sentences, so take a moment to look more closely. OIDs and MIBs OIDs are arranged in a structure of management information (SMI) tree defined by the standard. The tree starts from a root node, which the...

The product is available from the Web site (www.mrtg.org) and also on your distribution CDs. Figure 22.2 shows a sample graph. Figure 22.2. A typical Web page. [View full size image] Download and Installation You need to install before...

is a Web server log file analysis tool that comes installed by default on Red Hat/Fedora Linux. Each night, reads your Apache log files and creates a set of Web pages that enable you to view Web surfer statistics for your site. The information provi...

You can monitor the amount of memory and CPU resources your system is using with the top command: [root@bigboy tmp]# top top - 20:00:54 up 61 days, 23:35, 2 users, load average: 0.00, 0.00 Tasks: 72 total, 1 running, 71 sleeping, ...

You can also determine memory and swap usage with the vmstat command, which provides a summary of what top produces. In the example, memory is still 15% free (158,196MB used from a total of 130,780) and only 80MB of the swap partition is being used. ...

The free utility can determine the amount of free RAM on your system. The output is easier to understand than vmstat's. Here's a sample: [root@bigboy tmp]# vmstat procs-memory -swap -io r b swpd free buff cache si s...

Chapter 23 shows you how....