A quick guide on how to encrypt a complete Gentoo Linux system. By now I have encrypted all my laptops and my little home server. This blog is just a reminder on how to do it, from A to Z. Perhaps it is beneficial for others too.
Regenerate Dovecot certificate
After upgrading my Gentoo based home server, the e-mail client on my laptop could no longer make a connection to the IMAP server. It seems that Dovecot v2.3.20 requires stronger encryption.
Encrypt an existing root disk
Sometimes I get struck by a sense of security consiousness. This time I realized I have all my content on simple btrfs formatted disks, without any encryption. That's not very secure, is it?
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