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 another backed up host on a
network that you can access. In this approach you simply copy files
across to that other host. This is useful in an environment where you
often work from home and have a good backup system in the office.
Another approach uses the commercial backup system called Legato
NetWorker (also known as the Solstice NetWorker).
Alternatives include backup2l, backuppc,
bacula, cdbackup, dar, and
mondo.
Subsections
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