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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10 Backups
At most sites, the information stored on computers is worth more than the computers themselves. It is also much harder to replace. Protecting this information is one of the system administrator’s most important (and, unfortunately, most tedious) tasks.
There are hundreds of creative and not-so-creative ways to lose data. Software bugs routinely corrupt data files. Users accidentally delete their life’s work. Hackers and disgruntled employees erase disks. Hardware problems and natural disasters take out entire machine rooms.
If executed correctly, backups allow the administrator to restore a filesystem (or any portion of a filesystem) ...
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