Bug 613722 - Docs: manpage for /etc/crypttab needs updates
Summary: Docs: manpage for /etc/crypttab needs updates
Alias: None
Product: Fedora
Classification: Fedora
Component: initscripts   
(Show other bugs)
Version: 13
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Bill Nottingham
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2010-07-12 17:03 UTC by David Tonhofer
Modified: 2014-03-17 03:24 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2011-02-28 20:50:10 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description David Tonhofer 2010-07-12 17:03:23 UTC
Description of problem:

Some details are missing in the manpage for /etc/crypttab:

The second field may the name of a resulting encrypted block device or may contain the expression UUID=<LUKS-UUID> where LUKS-UUID is the UUID of an existing LUKS device (the UUID of such a device can be read using 'cryptsetup luksUUID <device>') 

The third field may select the /dev/random or /dev/urandom generators, or the random hardware number generator, "/dev/hwrng" (previously /dev/hw_random??)

[/dev/hwrng is not checked for in /etc/rc.sysinit's key_is_random() either]

Comment 1 Bill Nottingham 2011-02-28 20:50:10 UTC
Added a variation of this in: http://git.fedorahosted.org/git/?p=initscripts.git;a=commitdiff;h=8a4c7be4720b026e66c4e60078b3334fe1c4ab41

(noauto support comes in Fedora 15 with systemd.)

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