Securing and Optimizing Linux: RedHat Edition -A Hands on Guide
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7. Backup and Restore

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A secure and reliable server is closely related to performing regular backups. Failures will probably occur sometimes. They may be caused by attacks, hardware failure, human error, power outages, etc. The safest method of doing backups is to record them in a location separate from your Linux system like over a network, from tape, removable drive, writable CD-ROM, etc.

Table of Contents
33. Why's and When's of Backup and Restore
33.1. What to backup
33.2. The tar backup program
33.3. Automating backups with tar
33.4. Restore files with tar
33.5. The dump backup program
33.6. Making backups with dump
33.7. Restoring files with dump
33.8. Backing up and restoring over the network
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Installed files Why's and When's of Backup and Restore