X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=guestfish-actions.pod;h=d4f493016251fa2e7c0e70d2d1a9f604840dc8f6;hp=5d0b5d27a1df0cd90664da8c2fed0ce72ca780d3;hb=af0cfda7e4942c14c9db7304962f8471ccad170f;hpb=b6adf09c4d2cc3f1d0285950c151b1fd7688ec67;ds=sidebyside

diff --git a/guestfish-actions.pod b/guestfish-actions.pod
index 5d0b5d2..d4f4930 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
@@ -401,7 +401,9 @@ or compatible processor architecture).
 The single parameter is an argv-style list of arguments.
 The first element is the name of the program to run.
 Subsequent elements are parameters.  The list must be
-non-empty (ie. must contain a program name).
+non-empty (ie. must contain a program name).  Note that
+the command runs directly, and is I<not> invoked via
+the shell (see C<sh>).
 
 The return value is anything printed to I<stdout> by
 the command.
@@ -432,6 +434,8 @@ FTP.
 This is the same as C<command>, but splits the
 result into a list of lines.
 
+See also: C<sh-lines>
+
 Because of the message protocol, there is a transfer limit 
 of somewhere between 2MB and 4MB.  To transfer large files you should use
 FTP.
@@ -679,6 +683,21 @@ For more information on states, see L<guestfs(3)>.
 
 This returns the verbose messages flag.
 
+=head2 glob-expand
+
+ glob-expand pattern
+
+This command searches for all the pathnames matching
+C<pattern> according to the wildcard expansion rules
+used by the shell.
+
+If no paths match, then this returns an empty list
+(note: not an error).
+
+It is just a wrapper around the C L<glob(3)> function
+with flags C<GLOB_MARK|GLOB_BRACE>.
+See that manual page for more details.
+
 =head2 grub-install
 
  grub-install root device
@@ -956,6 +975,22 @@ Some internal mounts are not shown.
 This moves a file from C<src> to C<dest> where C<dest> is
 either a destination filename or destination directory.
 
+=head2 ntfs-3g-probe
+
+ ntfs-3g-probe true|false device
+
+This command runs the L<ntfs-3g.probe(8)> command which probes
+an NTFS C<device> for mountability.  (Not all NTFS volumes can
+be mounted read-write, and some cannot be mounted at all).
+
+C<rw> is a boolean flag.  Set it to true if you want to test
+if the volume can be mounted read-write.  Set it to false if
+you want to test if the volume can be mounted read-only.
+
+The return value is an integer which C<0> if the operation
+would succeed, or some non-zero value documented in the
+L<ntfs-3g.probe(8)> manual page.
+
 =head2 ping-daemon
 
  ping-daemon
@@ -1057,6 +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
@@ -1210,6 +1283,32 @@ This displays the partition table on C<device>, in the
 human-readable output of the L<sfdisk(8)> command.  It is
 not intended to be parsed.
 
+=head2 sh
+
+ sh command
+
+This call runs a command from the guest filesystem via the
+guest's C</bin/sh>.
+
+This is like C<command>, but passes the command to:
+
+ /bin/sh -c "command"
+
+Depending on the guest's shell, this usually results in
+wildcards being expanded, shell expressions being interpolated
+and so on.
+
+All the provisos about C<command> apply to this call.
+
+=head2 sh-lines
+
+ sh-lines command
+
+This is the same as C<sh>, but splits the result
+into a list of lines.
+
+See also: C<command-lines>
+
 =head2 sleep
 
  sleep secs
@@ -1459,6 +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