Backup and recovery tools make copies or images of suspect media, which are normally hard drives. Originally tar (tape archive) was used for backup and recovery of systems. While still used as a distribution method for source code and some software packages dd and rsync are the present day tools used for creating backups and disk images. The dd command copies every bit of a storage volume in a format that can be copied to an image that can be mounted and used in forensics investigation. The alternative is the rsync command, which is well suited to copying files, preserving all relevant data such as links and last access times.
Question: Compare and contrast key features of the dd and rsync utilities, and then address the issue of encrypted volumes.
Consider the following:
What advantages does dd have over rsync, if any?
What advantages does rsync have over dd, if any?
The lvm2 and cryptsetup (or cryptsetup-luks) utilities may be used to work with encrypted volumes. What is the purpose of these tools in relation to backing up or recovering data?
Papers should be:
APA format
Font: Times New Roman, 12-point, double-spaced
Length: 1 page
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