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Operating Systems Linux C++ Code to Access Linux Hard Disk Sectors (with a LoopBack Virtual Hard Disk) Post 302490912 by dsw on Wednesday 26th of January 2011 06:00:24 AM
Old 01-26-2011
Check the perms on /dev/loop0

Code:
ls -l /dev/loop0

This User Gave Thanks to dsw For This Post:
 

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CRYPTOTAB(5)							 Cryptsetup Manual						      CRYPTOTAB(5)

NAME
cryptotab - static information about crypted filesystems (deprecated) SYNOPSIS
cryptotab LOOPDEVICE DEVICE MOUNTPOINT FILESYSTEM ALGORITHM[ MOUNTOPTIONS[ INFO]] DESCRIPTION
Note /etc/cryptotab was designed for use with the now deprecated cryptoloop technology and must therefore be considered deprecated as well. /etc/crypttab (note the missing "o") should be used instead. The file /etc/cryptotab contains descriptive informations about encrypted volumes. Each volume is described on a separate line; columns on each line are separated by tabs or spaces. Lines starting with "#" are comments, empty lines are ignored. The order of records in cryptotab is important because the /etc/init.d/boot.crypto script sequentially iterates through cryptotab entries. LOOPDEVICE specifies the loop device to use for this mapping, for example /dev/loop0 DEVICE specifies the block special device that holds the encrypted data MOUNTPOINT specifies the where the volume should be mounted FILESYSTEM specifies the file system of the volume ALGORITHM specifies the encryption algorithm to use Supported algorithms are twofish, twofishSL92 and twofish256 MOUNTOPTIONS optionally specifies mount option INFO optionally specifies a string that should be printed when prompting for the passphrase EXAMPLES
/dev/loop0 /dev/sda6 /secret ext2 twofish256 SEE ALSO
cryptsetup(8), /etc/crypttab, mount(8) AUTHOR
Ludwig Nussel <ludwig.nussel@suse.de>. cryptsetup 03/31/2009 CRYPTOTAB(5)
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