Computers crash, disks become corrupt, data is lost, security is
compromised. Today, computers are pretty reliable and it is rare to
lose data but it can happen and usually when it is most inconvenient!
Important work should always be backed up.
In this chapter we review approaches to backup. We begin with simple
approaches, including backing up to CD and the use of a commercial
backup system called Legato NetWorker (also known as the Solstice
Alternatives include backup2l, backuppc,
bacula, cdbackup, dar, and
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