Bug Report to Ubuntu regarding dangerous installer
There is a bug report about this already in the Ubuntu bug tracking system here, whih was upgraded to "critical" as result of my bug report.
http://launchpad.net/bugs/420080
It should get looked at for 11.04 now and hopefully be fixed. The only thing really needed is a detection of existing LUKS headers and a strong warning that you will kill them by proceeding.
For my side this closes the discussion. Any clunky cryptsetup-integrated backup is not a clean option, as "luksHeaderBackup" works just fine and avoids numerous possible problems with the other solutions proposed here. It just has to be used.
Arno
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Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: [email protected] GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier