August 2000
Intermediate to advanced
896 pages
28h 17m
English
book
UNIX System Administration Handbook, Third Edition
by Scott Seebass, Garth Snyder, Evi Nemeth, Trent R. Hein
Content preview from UNIX System Administration Handbook, Third Edition
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2.1 BOOTSTRAPPING
Bootstrapping is the nerd word for “starting up a computer.” The normal facilities provided by the operating system are not available during the startup process, so the computer must “pull itself up by its own bootstraps.” During bootstrapping, the kernel is loaded into memory and begins to execute. A variety of initialization tasks are performed, and the system is then made available to users.
Boot time is a period of special vulnerability. Errors in configuration files, missing or unreliable equipment, and damaged filesystems can all prevent a computer from coming up. Boot configuration is often one of the first tasks an administrator must perform on a new system. Unfortunately, it is also one of the most difficult, and ...
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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.