def set_autosync (self, autosync):
u"""If "autosync" is true, this enables autosync. Libguestfs
- will make a best effort attempt to run "g.sync" when the
- handle is closed (also if the program exits without
- closing handles).
+ will make a best effort attempt to run "g.umount_all"
+ followed by "g.sync" when the handle is closed (also if
+ the program exits without closing handles).
+
+ This is disabled by default (except in guestfish where
+ it is enabled by default).
"""
return libguestfsmod.set_autosync (self._o, autosync)
def mkfs (self, fstype, device):
u"""This creates a filesystem on "device" (usually a
- partition of LVM logical volume). The filesystem type is
+ partition or LVM logical volume). The filesystem type is
"fstype", for example "ext3".
"""
return libguestfsmod.mkfs (self._o, fstype, device)
calculated using "strlen" (so in this case the content
cannot contain embedded ASCII NULs).
+ *NB.* Owing to a bug, writing content containing ASCII
+ NUL characters does *not* work, even if the length is
+ specified. We hope to resolve this bug in a future
+ version. In the meantime use "g.upload".
+
Because of the message protocol, there is a transfer
limit of somewhere between 2MB and 4MB. To transfer
large files you should use FTP.
"""
return libguestfsmod.get_e2uuid (self._o, device)
+ def fsck (self, fstype, device):
+ u"""This runs the filesystem checker (fsck) on "device"
+ which should have filesystem type "fstype".
+
+ The returned integer is the status. See fsck(8) for the
+ list of status codes from "fsck".
+
+ Notes:
+
+ * Multiple status codes can be summed together.
+
+ * A non-zero return code can mean "success", for
+ example if errors have been corrected on the
+ filesystem.
+
+ * Checking or repairing NTFS volumes is not supported
+ (by linux-ntfs).
+
+ This command is entirely equivalent to running "fsck -a
+ -t fstype device".
+ """
+ return libguestfsmod.fsck (self._o, fstype, device)
+
+ def zero (self, device):
+ u"""This command writes zeroes over the first few blocks of
+ "device".
+
+ How many blocks are zeroed isn't specified (but it's
+ *not* enough to securely wipe the device). It should be
+ sufficient to remove any partition tables, filesystem
+ superblocks and so on.
+ """
+ return libguestfsmod.zero (self._o, device)
+
+ def grub_install (self, root, device):
+ u"""This command installs GRUB (the Grand Unified
+ Bootloader) on "device", with the root directory being
+ "root".
+ """
+ return libguestfsmod.grub_install (self._o, root, device)
+
+ def cp (self, src, dest):
+ u"""This copies a file from "src" to "dest" where "dest" is
+ either a destination filename or destination directory.
+ """
+ return libguestfsmod.cp (self._o, src, dest)
+
+ def cp_a (self, src, dest):
+ u"""This copies a file or directory from "src" to "dest"
+ recursively using the "cp -a" command.
+ """
+ return libguestfsmod.cp_a (self._o, src, dest)
+
+ def mv (self, src, dest):
+ u"""This moves a file from "src" to "dest" where "dest" is
+ either a destination filename or destination directory.
+ """
+ return libguestfsmod.mv (self._o, src, dest)
+
+ def drop_caches (self, whattodrop):
+ u"""This instructs the guest kernel to drop its page cache,
+ and/or dentries and inode caches. The parameter
+ "whattodrop" tells the kernel what precisely to drop,
+ see <http://linux-mm.org/Drop_Caches>
+
+ Setting "whattodrop" to 3 should drop everything.
+
+ This automatically calls sync(2) before the operation,
+ so that the maximum guest memory is freed.
+ """
+ return libguestfsmod.drop_caches (self._o, whattodrop)
+
+ def dmesg (self):
+ u"""This returns the kernel messages ("dmesg" output) from
+ the guest kernel. This is sometimes useful for extended
+ debugging of problems.
+
+ Another way to get the same information is to enable
+ verbose messages with "g.set_verbose" or by setting the
+ environment variable "LIBGUESTFS_DEBUG=1" before running
+ the program.
+ """
+ return libguestfsmod.dmesg (self._o)
+
+ def ping_daemon (self):
+ u"""This is a test probe into the guestfs daemon running
+ inside the qemu subprocess. Calling this function checks
+ that the daemon responds to the ping message, without
+ affecting the daemon or attached block device(s) in any
+ other way.
+ """
+ return libguestfsmod.ping_daemon (self._o)
+
+ def equal (self, file1, file2):
+ u"""This compares the two files "file1" and "file2" and
+ returns true if their content is exactly equal, or false
+ otherwise.
+
+ The external cmp(1) program is used for the comparison.
+ """
+ return libguestfsmod.equal (self._o, file1, file2)
+
+ def strings (self, path):
+ u"""This runs the strings(1) command on a file and returns
+ the list of printable strings found.
+
+ This function returns a list of strings.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.strings (self._o, path)
+
+ def strings_e (self, encoding, path):
+ u"""This is like the "g.strings" command, but allows you to
+ specify the encoding.
+
+ See the strings(1) manpage for the full list of
+ encodings.
+
+ Commonly useful encodings are "l" (lower case L) which
+ will show strings inside Windows/x86 files.
+
+ The returned strings are transcoded to UTF-8.
+
+ This function returns a list of strings.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.strings_e (self._o, encoding, path)
+
+ def hexdump (self, path):
+ u"""This runs "hexdump -C" on the given "path". The result
+ is the human-readable, canonical hex dump of the file.
+
+ Because of the message protocol, there is a transfer
+ limit of somewhere between 2MB and 4MB. To transfer
+ large files you should use FTP.
+ """
+ return libguestfsmod.hexdump (self._o, path)
+
git.annexia.org / libguestfs.git / blobdiff