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How hard is it to change an existing RHEL system to have luks full disk encryption?

How hard is it to change an existing RHEL system to have luks full disk encryption? Is it a big ordeal?
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Xetroximyn
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Xetroximyn
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arnoldCommented:
It is an involved process.
Best to test in a VM environment on setup that are of no consequence.

See an old writeup on the setup http://www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/

You would need to create partitios at a time, configure/add them to grub one at a time while preserving the option to boot the prior.,.....
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