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authorRichard W.M. Jones <rjones@redhat.com>2009-06-23 15:53:44 +0100
committerRichard W.M. Jones <rjones@redhat.com>2009-06-23 15:53:44 +0100
commitbcb3fc0c3336c05e9ecbbfb25c7c31b42bd3e32e (patch)
tree80042c722c65911c3a3b55a275daefff96220e7f /guestfish-actions.pod
parentda7cf3670fe60301beeb175ff6c284b737d5b7f4 (diff)
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Generated code for 'scrub-*' commands.
Diffstat (limited to 'guestfish-actions.pod')
-rw-r--r--guestfish-actions.pod42
1 files changed, 41 insertions, 1 deletions
diff --git a/guestfish-actions.pod b/guestfish-actions.pod
index 48459901..d4f49301 100644
--- a/guestfish-actions.pod
+++ b/guestfish-actions.pod
@@ -26,7 +26,7 @@ for whatever operations you want to perform (ie. read access if you
just want to read the image or write access if you want to modify the
image).
-This is equivalent to the qemu parameter C<-drive file=filename>.
+This is equivalent to the qemu parameter C<-drive file=filename,cache=off>.
Note that this call checks for the existence of C<filename>. This
stops you from specifying other types of drive which are supported
@@ -1092,6 +1092,44 @@ command.
Remove the single directory C<path>.
+=head2 scrub-device
+
+ scrub-device device
+
+This command writes patterns over C<device> to make data retrieval
+more difficult.
+
+It is an interface to the L<scrub(1)> program. See that
+manual page for more details.
+
+B<This command is dangerous. Without careful use you
+can easily destroy all your data>.
+
+=head2 scrub-file
+
+ scrub-file file
+
+This command writes patterns over a file to make data retrieval
+more difficult.
+
+The file is I<removed> after scrubbing.
+
+It is an interface to the L<scrub(1)> program. See that
+manual page for more details.
+
+=head2 scrub-freespace
+
+ scrub-freespace dir
+
+This command creates the directory C<dir> and then fills it
+with files until the filesystem is full, and scrubs the files
+as for C<scrub-file>, and deletes them.
+The intention is to scrub any free space on the partition
+containing C<dir>.
+
+It is an interface to the L<scrub(1)> program. See that
+manual page for more details.
+
=head2 set-append | append
set-append append
@@ -1520,6 +1558,8 @@ How many blocks are zeroed isn't specified (but it's I<not> enough
to securely wipe the device). It should be sufficient to remove
any partition tables, filesystem superblocks and so on.
+See also: C<scrub-device>.
+
=head2 zerofree
zerofree device