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Old 10-10-2006, 09:14 PM   #1
Registered: Apr 2005
Location: Italy-Mexico
Distribution: Archlinux, Slackware, Slax, DSL, Knoppix-mib
Posts: 50

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cryptsetup-luks error

hi, Im trying to use the cryptsetup-luks-1.0.3 module on slax 5.1.8.
I check that the module is loeades using modprobe dm_crypt and everything seems to be fine.
however, then I get to the step of setting up the crypted-device I get the following error:

slax:~# cryptsetup -c aes -y create dm5 /dev/loop18
Command failed: No setup backend available

I thin I have all the libraries needed and I had cryptsetup-luks working on an older Slax (which of course is no longer around).

any clue of what am I doing wrong?
Old 11-20-2006, 05:43 AM   #2
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Registered: Nov 2006
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Post cryptsetup-luks error

I shortly had the same problem, while trying to get cryptsetup with luks running under LinuxFromScratch.

bash-3.1# cryptsetup luksOpen /dev/sda1 mt
Command failed: No setup backend available
Finally, it is indeed on option missing in the build-process. the "libdevmapper"

To fix it just compile the cryptsetup-luks again and add the option --enable-libdevmapper to ./configure.

After make, and make install everything is fine..

Have fun
Old 11-20-2006, 11:08 AM   #3
Registered: Apr 2005
Location: Italy-Mexico
Distribution: Archlinux, Slackware, Slax, DSL, Knoppix-mib
Posts: 50

Original Poster
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thanks for the tip,
in my case I solved it using the static cryptsetup source package rather than the dynamic one.


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