"In this tutorial we'll begin by taking a peek inside a few log
files to get a hint about the kind of stuff you'll find there: then
we'll move on to examine some tools for summarising and managing
"Logged messages fall into two broad types: low-volume messages
that you might want to read line by line, and high-volume messages
that really need to be summarised.
"Let's take a look at a couple of examples of the low-volume
"e1000: 0000:04:03.0: e1000_probe: (PCI:66MHz:32-bit)
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
e1000: eth0: e1000_watchdog_task: NIC Link is Up 10 Mbps Full
"Exhibit A is taken from the kernel's ring buffer - these three
lines show a kernel module discovering and initialising a network
interface. Such messages are encouraging if you have added new
hardware and are trying to establish if Linux can find it."
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