Improve recently committed GDBE section.
* Capitalize section titles. * Use more descriptive DocBook tags. * Improve a few references. * Improve a few sentences. PR: docs/51598 Submitted by: bmah (mostly)
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@ -2801,7 +2801,7 @@ Filesystem 1K-blocks Used Avail Capacity Mounted on
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touches the hard drive's platter.</para>
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<sect2>
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<title>Enabling gbde in the kernel</title>
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<title>Enabling gbde in the Kernel</title>
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<procedure>
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<step>
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@ -2829,10 +2829,10 @@ Password:</screen>
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<para>Using your favorite text editor, add the following
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line to your kernel configuration file:</para>
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<para><filename>options GEOM_BDE</filename></para>
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<para><literal>options GEOM_BDE</literal></para>
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<para>Configure and recompile the FreeBSD kernel. If you
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don't know how to create a custom kernel, see <xref
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<para>Configure, recompile, and install the FreeBSD kernel.
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This process is described in <xref
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linkend="kernelconfig">.</para>
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<para>Reboot into the new kernel.</para>
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@ -2842,7 +2842,7 @@ Password:</screen>
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<sect2>
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<title>Preparing the encrypted hard drive</title>
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<title>Preparing the Encrypted Hard Drive</title>
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<para>The following example assumes that you are adding a new hard
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drive to your system that will hold a single encrypted partition.
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@ -2922,7 +2922,7 @@ sector_size = 2048
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url="http://world.std.com/~reinhold/diceware.html">Diceware
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Passphrase</ulink> website.</para>
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<para>The <command>gbde init</command> command created a lock
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<para>The <command>gbde init</command> command creates a lock
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file for your <application>gbde</application> partition that in
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this example has been stored as
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<filename>/etc/gbde/ad4s1c</filename>.</para>
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@ -2965,14 +2965,16 @@ sector_size = 2048
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system on the encrypted device, use &man.newfs.8;. Since it is
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much faster to initialize a new UFS2 file system than it is to
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initialize the old UFS file system, using &man.newfs.8; with
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the <command>-O2</command> option is recommended.</para>
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the <option>-O2</option> option is recommended.</para>
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<screen>&prompt.root; <userinput>newfs -U -O2 /dev/ad4s1c.bde</userinput></screen>
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<note>
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<para>The newfs must be performed on an attached
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<application>gbde</application> partition which is identified
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by a *.bde extension to the device name.</para>
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<para>The &man.newfs.8; command must be performed on an
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attached <application>gbde</application> partition which
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is identified by a
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<filename><replaceable>*</replaceable>.bde</filename>
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extension to the device name.</para>
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</note>
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</step>
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@ -3007,7 +3009,7 @@ Filesystem Size Used Avail Capacity Mounted on
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</sect2>
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<sect2>
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<title>Mounting existing encrypted file systems</title>
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<title>Mounting Existing Encrypted File Systems</title>
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<para>After each boot, any encrypted file systems must be
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re-attached to the kernel, checked for errors, and mounted, before
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@ -3047,7 +3049,7 @@ Filesystem Size Used Avail Capacity Mounted on
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</procedure>
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<sect3>
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<title>Automatically mounting encrypted partitions</title>
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<title>Automatically Mounting Encrypted Partitions</title>
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<para>It is possible to create a script to automatically attach,
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check, and mount an encrypted partition, but for security reasons
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@ -3057,7 +3059,7 @@ Filesystem Size Used Avail Capacity Mounted on
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</sect3>
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<sect2>
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<title>Cryptographic protections employed by gbde</title>
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<title>Cryptographic Protections Employed by gbde</title>
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<para>&man.gbde.8; encrypts the sector payload using 128-bit AES in
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CBC mode. Each sector on the disk is encrypted with a different
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@ -3067,11 +3069,11 @@ Filesystem Size Used Avail Capacity Mounted on
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</sect2>
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<sect2>
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<title>Compatibility issues</title>
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<title>Compatibility Issues</title>
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<para>&man.sysinstall.8; is incompatible with
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<application>gbde</application>-encrypted devices. All
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<devicename>*.bde</devicename> devices must be detached from the
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<devicename><replaceable>*</replaceable>.bde</devicename> devices must be detached from the
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kernel before starting &man.sysinstall.8; or it will crash during
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its initial probing for devices. To detach the encrypted device
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used in our example, use the following command:</para>
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