Drop crypttab man page (it's in systemd now)

1 files changed, 0 insertions, 132 deletions

diff --git a/crypttab.5 b/crypttab.5
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-.\" A man page for /etc/crypttab.
-.\"
-.\" Copyright (C) 2006 Red Hat, Inc. All rights reserved.
-.\"
-.\" This copyrighted material is made available to anyone wishing to use,
-.\" modify, copy, or redistribute it subject to the terms and conditions of the
-.\" GNU General Public License v.2.
-.\"
-.\" This program is distributed in the hope that it will be useful, but WITHOUT
-.\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
-.\" FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 
-.\" more details.
-.\"
-.\" You should have received a copy of the GNU General Public License along
-.\" with this program; if not, write to the Free Software Foundation, Inc.,
-.\" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-.\"
-.\" Author: Miloslav Trmac <mitr@redhat.com>
-.TH crypttab 5 "Jul 2006"
-
-.SH NAME
-/etc/crypttab - encrypted block device table
-
-.SH DESCRIPTION
-The
-.B /etc/crypttab
-file describes encrypted block devices that are set up during system boot.
-
-Empty lines and lines starting with the
-.B #
-character are ignored.
-Each of the remaining lines describes one encrypted block device,
-fields on the line are delimited by white space.
-The first two fields are mandatory, the remaining two are optional.
-
-The first field contains the
-.I name
-of the resulting encrypted block device;
-the device is set up at
-\fB/dev/mapper/\fIname\fR.
-
-The second field contains a path to the underlying block device,
-or a specification of a block device via UUID=<device uuid>.
-If the block device contains a LUKS signature,
-it is opened as a LUKS encrypted partition;
-otherwise it is assumed to be a raw dm-crypt partition.
-
-The third field specifies the encryption password.
-If the field is not present or the password is set to \fBnone\fR,
-the password has to be manually entered during system boot.
-Otherwise the field is interpreted as a path to a file
-containing the encryption password.
-For swap encryption
-.B /dev/urandom
-or the hardware device
-.B /dev/hw_random
-can be used as the password file;
-using
-.B /dev/random
-may prevent boot completion
-if the system does not have enough entropy
-to generate a truly random encryption key.
-
-The fourth field, if present, is a comma-delimited list of options.
-The following options are recognized:
-.TP
-\fBcipher=\fIcipher\fR
-Specifies the cipher to use; see
-.BR cryptsetup (8)
-for possible values and the default value of this option.
-A cipher with unpredictable IV values, such as
-\fBaes-cbc-essiv:sha256\fR, is recommended.
-
-.TP
-\fBsize=\fIsize\fR
-Specifies the key size in bits; see
-.BR cryptsetup (8)
-for possible values and the default value of this option.
-
-.TP
-\fBhash=\fIhash\fR
-Specifies the hash to use for password hashing; see
-.BR cryptsetup (8)
-for possible values and the default value of this option.
-
-.TP
-\fBverify\fR
-If the the encryption password is read from console,
-it has to be entered twice (to prevent typos).
-
-.TP
-\fBnoauto\fR
-This device will not be automatically unlocked on boot.
-
-.TP
-\fBswap\fR
-The encrypted block device will be used as a swap partition,
-and will be formatted as a swap partition
-after setting up the encrypted block device.
-The underlying block device
-will be formatted again as an unencrypted swap partition
-after destroying the encrypted block device.
-(This allows sharing a single swap partition between operating
-system installations,
-with some of them encrypting the swap partitions and some of them not.)
-
-\fIWARNING\fR: Using the
-.B swap
-option will destroy the contents of the named partition during every boot, so
-make sure the underlying block device is specified correctly.
-
-.TP
-\fBtmp\fR
-The encrypted block device will be prepared for using it as tmp partition:
-it will be formatted using
-.B mke2fs
-and its root directory will be set to mode 01777.
-The warning about the
-.B swap
-option applies here as well.
-
-.PP
-No options can be specified for LUKS encrypted partitions.
-
-.SH COMPATIBILITY
-The
-.B /etc/crypttab
-file format is based on the Debian cryptsetup package,
-and is intended to be compatible.
-
-.SH SEE ALSO
-.BR cryptsetup (8)