January 2003
Intermediate to advanced
240 pages
5h 47m
English
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Chapter 1. Server Basics
Hacks #1-22
A running Linux system is a complex interaction of hardware and software where invisible daemons do the user’s bidding, carrying out arcane tasks to the beat of the drum of the uncompromising task master called the Linux kernel.
A Linux system can be configured to perform many different kinds of tasks. When running as a desktop machine, the visible portion of Linux spends much of its time controlling a graphical display, painting windows on the screen, and responding to the user’s every gesture and command. It must generally be a very flexible (and entertaining) system, where good responsiveness and interactivity are the critical goals.
On the other hand, a Linux server generally is designed to perform a couple of tasks, nearly always involving the squeezing of information down a network connection as quickly as possible. While pretty screen savers and GUI features may be critical to a successful desktop system, the successful Linux server is a high performance appliance that provides access to information as quickly and efficiently as possible. It pulls that information from some sort of storage (like the filesystem, a database, or somewhere else on the network) and delivers that information over the network to whomever requested it, be it a human being connected to a web server, a user sitting in a shell, or over a port to another server entirely.
It is under these circumstances that a system administrator finds their responsibilities lying ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.