X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=guestfish-actions.pod;h=62688eed114a46fa588ee08c0377647ac2f91595;hp=da4bbaeb7f2811860aaf410bdb56e44c82b5e11c;hb=41b959fd9b057354f642d84398b875d02b88b864;hpb=0232e722826cfda0f6042da983f9eb871f24e946 diff --git a/guestfish-actions.pod b/guestfish-actions.pod index da4bbae..62688ee 100644 --- a/guestfish-actions.pod +++ b/guestfish-actions.pod @@ -29,7 +29,7 @@ This is equivalent to the qemu parameter C<-drive file=filename>. Close the current Augeas handle and free up any resources used by it. After calling this, you have to call -C again before you can use any other +C again before you can use any other Augeas functions. =head2 aug-defnode @@ -40,7 +40,7 @@ Defines a variable C whose value is the result of evaluating C. If C evaluates to an empty nodeset, a node is created, -equivalent to calling C C, C. +equivalent to calling C C, C. C will be the nodeset containing that single node. On success this returns a pair containing the @@ -73,7 +73,7 @@ Create a new Augeas handle for editing configuration files. If there was any previous Augeas handle associated with this guestfs session, then it is closed. -You must call this before using any other C +You must call this before using any other C commands. C is the filesystem root. C must not be NULL, @@ -108,11 +108,11 @@ Make save a no-op, just record what would have been changed. =item C = 32 -Do not load the tree in C. +Do not load the tree in C. =back -To close the handle, you can call C. +To close the handle, you can call C. To find out more about Augeas, see L. @@ -141,7 +141,7 @@ details. aug-ls path -This is just a shortcut for listing C +This is just a shortcut for listing C C and sorting the resulting nodes into alphabetical order. =head2 aug-match @@ -173,7 +173,7 @@ On success this returns the number of entries which were removed. This writes all pending changes to disk. -The flags which were passed to C affect exactly +The flags which were passed to C affect exactly how files are saved. =head2 aug-set @@ -217,7 +217,7 @@ This uses the L command. This returns the size of the device in bytes. -See also C. +See also C. This uses the L command. @@ -228,7 +228,7 @@ This uses the L command. This returns the size of sectors on a block device. Usually 512, but can be larger for modern devices. -(Note, this is not the size in sectors, use C +(Note, this is not the size in sectors, use C for that). This uses the L command. @@ -240,8 +240,8 @@ This uses the L command. This returns the size of the device in units of 512-byte sectors (even if the sectorsize isn't 512 bytes ... weird). -See also C for the real sector size of -the device, and C for the more +See also C for the real sector size of +the device, and C for the more useful I. This uses the L command. @@ -360,7 +360,7 @@ yourself (Augeas support makes this relatively easy). =head2 command - command arguments,... + command 'arguments ...' This call runs a command from the guest filesystem. The filesystem must be mounted, and must contain a compatible @@ -385,7 +385,7 @@ locations. =head2 command-lines - command-lines arguments,... + command-lines 'arguments ...' This is the same as C, but splits the result into a list of lines. @@ -403,6 +403,18 @@ The first character of C string must be a C<-> (dash). C can be NULL. +=head2 debug + + debug subcmd 'extraargs ...' + +The C command exposes some internals of +C (the guestfs daemon) that runs inside the +qemu subprocess. + +There is no comprehensive help for this command. You have +to look at the file C in the libguestfs source +to find out what you can do. + =head2 download download remotefilename (filename|-) @@ -423,7 +435,7 @@ Use C<-> instead of a filename to read/write from stdin/stdout. This returns C if and only if there is a file, directory (or anything) with the given C name. -See also C, C, C. +See also C, C, C. =head2 file @@ -443,6 +455,20 @@ particular that the filename is not prepended to the output Get the autosync flag. +=head2 get-e2label + + get-e2label device + +This returns the ext2/3/4 filesystem label of the filesystem on +C. + +=head2 get-e2uuid + + get-e2uuid device + +This returns the ext2/3/4 filesystem UUID of the filesystem on +C. + =head2 get-path get-path @@ -452,6 +478,15 @@ Return the current search path. This is always non-NULL. If it wasn't set already, then this will return the default path. +=head2 get-qemu + + get-qemu + +Return the current qemu binary. + +This is always non-NULL. If it wasn't set already, then this will +return the default qemu binary name. + =head2 get-state get-state @@ -608,6 +643,16 @@ and physical volumes. B. +=head2 lvremove + + lvremove device + +Remove an LVM logical volume C, where C is +the path to the LV, such as C. + +You can also remove all LVs in a volume group by specifying +the VG name, C. + =head2 lvs lvs @@ -618,7 +663,7 @@ of the L command. This returns a list of the logical volume device names (eg. C). -See also C. +See also C. =head2 lvs-full @@ -669,6 +714,29 @@ on the underlying device. The filesystem options C and C are set with this call, in order to improve reliability. +=head2 mount-options + + mount-options options device mountpoint + +This is the same as the C command, but it +allows you to set the mount options as for the +L I<-o> flag. + +=head2 mount-ro + + mount-ro device mountpoint + +This is the same as the C command, but it +mounts the filesystem with the read-only (I<-o ro>) flag. + +=head2 mount-vfs + + mount-vfs options vfstype device mountpoint + +This is the same as the C command, but it +allows you to set both the mount options and the vfstype +as for the L I<-o> and I<-t> flags. + =head2 mounts mounts @@ -686,6 +754,17 @@ This creates an LVM physical volume on the named C, where C should usually be a partition name such as C. +=head2 pvremove + + pvremove device + +This wipes a physical volume C so that LVM will no longer +recognise it. + +The implementation uses the C command which refuses to +wipe physical volumes that contain any volume groups, so you have +to remove those first. + =head2 pvs pvs @@ -696,7 +775,7 @@ of the L command. This returns a list of just the device names that contain PVs (eg. C). -See also C. +See also C. =head2 pvs-full @@ -716,7 +795,7 @@ C and C character sequences are I returned. Note that this function cannot correctly handle binary files (specifically, files containing C<\0> character which is treated -as end of line). For those you need to use the C +as end of line). For those you need to use the C function which has a more complex interface. =head2 rm @@ -747,6 +826,29 @@ If C is true, this enables autosync. Libguestfs will make a best effort attempt to run C when the handle is closed (also if the program exits without closing handles). +=head2 set-e2label + + set-e2label device label + +This sets the ext2/3/4 filesystem label of the filesystem on +C to C