مدیریت آسان ماشین مجازی با ابزار libguestfs

گروه آموزشی مجموعه تدبیر

virt-copy-out: فایل و دایرکتوری‌های داخل ماشین مجازی را به بیرون از ماشین کپی می‌کند.

#virt-copy-out -d name /home/  /home/back_up<br />
#virt-copy-out -a image.vm /home/  /home/back_up

1 2	#virt-copy-out -d name /home/ /home/back_up #virt-copy-out -a image.vm /home/ /home/back_up

virt-df: فضای خالی ماشین مجازی را نشان می‌دهد.

#virt-df domname<br />
#virt-df [–options] -d domname<br />
#virt-df [–options] -a disk.img

#virt-df domname

#virt-df [–options] -d domname

#virt-df [–options] -a disk.img

مثالی از عملکرد برنامه:

#virt-df -a vm<br />
Filesystem                           1K-blocks       Used  Available  Use%<br />
vm:/dev/sda1                            330215     119878     193288   37%<br />
vm:/dev/sda5                           2879612     361160    2372176   13%<br />
vm:/dev/sda6                           1412048      93520    1246800    7%<br />
vm:/dev/sda8                            238986       6175     220472    3%<br />
vm:/dev/sda9                           2913876      69964    2695896    3%

#virt-df -a vm

Filesystem 1K-blocks Used Available Use%

vm:/dev/sda1 330215 119878 193288 37%

vm:/dev/sda5 2879612 361160 2372176 13%

vm:/dev/sda6 1412048 93520 1246800 7%

vm:/dev/sda8 238986 6175 220472 3%

vm:/dev/sda9 2913876 69964 2695896 3%

virt-v2v: ماشین‌های مجازی Xen و یا VMware را به KVM تبدیل می‌کند.

virt-p2v: اطلاعات یک سیستم فیزیکی را برای اجرا بروی KVM تبدیل می‌کند.

guestmount: فایل سیستم ماشین مجازی مهمان را در سیستم میزبان مونت می‌کند. با توجه به اینکه یک ایمیج ممکن است شامل چند پارتیشن باشد با پارامتر ‎-m پارتیشنی که می‌خواهیم مونت کنیم را مشخص می‌کنیم. همچنین با استفاده از پارامتر ‎-i به صورت خودکار پارتیشن‌ها شناسایی شده و مونت می‌شوند.

#guestmount [–options] -a disk.img -m device [–ro] mountpoint<br />
#guestmount [–options] -a disk.img -i [–ro] mountpoint<br />
#guestmount [–options] -d name -i [–ro] mountpoint

#guestmount [–options] -a disk.img -m device [–ro] mountpoint

#guestmount [–options] -a disk.img -i [–ro] mountpoint

#guestmount [–options] -d name -i [–ro] mountpoint

چند مثال:

پارتیشن روت را از مسیر ‎/dev/VG/LV و پارتیشن ‎/boot را از مسیر ‎/dev/sda1 در دایرکتوری ‎/mnt مونت می‌کنیم.

#guestmount -a linux.img -m /dev/VG/LV -m /dev/sda1:/boot –ro /mnt

1	#guestmount -a linux.img -m /dev/VG/LV -m /dev/sda1:/boot –ro /mnt

همه پارتیشن‌های ایمیج guest به صورت خودکار شناسایی و در ‎/mnt مونت می‌شوند.

#guestmount -a guest.img -i –ro /mnt

1	#guestmount -a guest.img -i –ro /mnt

برای از حالت مونت خارج کردن پارتیشن‌ها از دستور guestunmount به صورت زیر استفاده می‌کنیم.

#guestunmount /mnt

1	#guestunmount /mnt

نکته: نوشتن در ماشین مجازی که روشن است ممکن است باعث خراب شدن و از دست رفتن اطلاعات شود. بنابراین بهتر است در هنگام مونت کردن ماشین مجازی که روشن است فایل سیستم را با پارامتر –ro بصورت فقط خواندنی مونت کنیم.

virt-filesystems: فایل سیستم‌ها و پارتینش‌های موجود در یک ماشین مجازی را لیست می‌کند.

#virt-filesystems [–options] -d domname<br />
#virt-filesystems [–options] -a disk.img

1 2	#virt-filesystems [–options] -d domname #virt-filesystems [–options] -a disk.img

مثال:

#virt-filesystems -a vm.img<br />
/dev/sda1<br />
/dev/sda5<br />
/dev/sda6<br />
/dev/sda8<br />
/dev/sda9

#virt-filesystems -a vm.img

/dev/sda1

/dev/sda5

/dev/sda6

/dev/sda8

/dev/sda9

virt-resize: با این ابزار می‌توانیم یک ایمیج و یا دیسک ماشین مجازی را کوچک و یا بزرگ کنیم.

#virt-resize<br />
 [–resize /dev/sdaN=[+/-]<size>[%]] [–expand /dev/sdaN]<br />
[–shrink /dev/sdaN] [–ignore /dev/sdaN] [–delete /dev/sdaN] […]<br />
indisk outdisk

1	#virt-resize [–resize /dev/sdaN=[+/-]<size>[%]] [–expand /dev/sdaN] [–shrink /dev/sdaN] [–ignore /dev/sdaN] [–delete /dev/sdaN] […] indisk outdisk

virt-win-reg: با استفاده از این دستور می‌توانیم رجیستری ویندوز در ماشین مجازی را ویرایش کنیم.

#virt-win-reg domname ‘HKLMPathToSubkey’<br />
#virt-win-reg domname ‘HKLMPathToSubkey’ name<br />
#virt-win-reg domname ‘HKLMPathToSubkey’ @<br />
#virt-win-reg –merge domname [input.reg …]<br />
#virt-win-reg [–options] disk.img … # instead of domname

#virt-win-reg domname ‘HKLMPathToSubkey’

#virt-win-reg domname ‘HKLMPathToSubkey’ name

#virt-win-reg domname ‘HKLMPathToSubkey’ @

#virt-win-reg –merge domname [input.reg …]

#virt-win-reg [–options] disk.img … # instead of domname

guestfish:

یک ابزار خط فرمانی و شل است که با استفاده از توابع کتاب‌خانه‌ای و API های libguestfs فایل‌سیستم ماشین‌مجازی را بررسی و ویرایش می‌کند.

#guestfish

1	#guestfish

برای استفاده از guestfish کافی است دستور را در ماشین مهمان وارد کنیم و دستورات با به صورت ویزارد وارد کنیم.

#guestfish<br />
Welcome to guestfish, the libguestfs filesystem interactive shell for<br />
editing virtual machine filesystems.<br />
Type: ‘help’ for help on commands<br />
      ‘man’ to read the manual<br />
      ‘quit’ to quit the shell<br />
><fs>

#guestfish

Welcome toguestfish,the libguestfs filesystem interactive shell for

editing virtual machine filesystems.

Type:’help’forhelp on commands

‘man’toread the manual

‘quit’toquit the shell

><fs>

بعد از ورود به شل guestfish می‌توانیم دستورات را وارد کنیم. بع عنوان مثال با add-ro disk.img یک ایمیج را به صورت فقط خواندنی اضافه می‌کنیم.

><fs> add-ro vm.img<br />
><fs> run<br />
><fs> mount /dev/vda1 /<br />
><fs> ls /root<br />
.aptitude<br />
.bashrc<br />
.profile<br />
><fs> exit

><fs>add-ro vm.img

><fs>run

><fs>mount/dev/vda1/

><fs>ls/root

.aptitude

.bashrc

.profile

><fs>exit

در حال حاظر guestfish ۵۰۲ دستور متفاوت را پشتیبانی می‌کند. لیست این دستورات را در لینک زیر مشاهده می‌کنید.

    Command              Description<br />
help                 display a list of commands or help on a command<br />
quit                 quit guestfish<br />
acl-delete-def-file  delete the default POSIX ACL of a directory<br />
acl-get-file         get the POSIX ACL attached to a file<br />
acl-set-file         set the POSIX ACL attached to a file<br />
add-cdrom            add a CD-ROM disc image to examine<br />
add-domain           add the disc(s) from a named libvirt domain<br />
add-drive            add an image to examine or modify<br />
add-drive-ro         add a drive in snapshot mode (read-only)<br />
add-drive-ro-with-if add a drive read-only specifying the QEMU block emulation to use<br />
add-drive-with-if    add a drive specifying the QEMU block emulation to use<br />
alloc                allocate and add a disc file<br />
aug-clear            clear Augeas path<br />
aug-close            close the current Augeas handle<br />
aug-defnode          define an Augeas node<br />
aug-defvar           define an Augeas variable<br />
aug-get              look up the value of an Augeas path<br />
aug-init             create a new Augeas handle<br />
aug-insert           insert a sibling Augeas node<br />
aug-load             load files into the tree<br />
aug-ls               list Augeas nodes under augpath<br />
aug-match            return Augeas nodes which match augpath<br />
aug-mv               move Augeas node<br />
aug-rm               remove an Augeas path<br />
aug-save             write all pending Augeas changes to disk<br />
aug-set              set Augeas path to value<br />
available            test availability of some parts of the API<br />
available-all-groups return a list of all optional groups<br />
base64-in            upload base64-encoded data to file<br />
base64-out           download file and encode as base64<br />
blkid                print block device attributes<br />
blockdev-flushbufs   flush device buffers<br />
blockdev-getbsz      get blocksize of block device<br />
blockdev-getro       is block device set to read-only<br />
blockdev-getsize64   get total size of device in bytes<br />
blockdev-getss       get sectorsize of block device<br />
blockdev-getsz       get total size of device in 512-byte sectors<br />
blockdev-rereadpt    reread partition table<br />
blockdev-setbsz      set blocksize of block device<br />
blockdev-setro       set block device to read-only<br />
blockdev-setrw       set block device to read-write<br />
btrfs-device-add     add devices to a btrfs filesystem<br />
btrfs-device-delete  remove devices from a btrfs filesystem<br />
btrfs-filesystem-balance balance a btrfs filesystem<br />
btrfs-filesystem-resize resize a btrfs filesystem<br />
btrfs-filesystem-sync sync a btrfs filesystem<br />
btrfs-fsck           check a btrfs filesystem<br />
btrfs-set-seeding    enable or disable the seeding feature of device<br />
btrfs-subvolume-create create a btrfs snapshot<br />
btrfs-subvolume-delete delete a btrfs snapshot<br />
btrfs-subvolume-list list btrfs snapshots and subvolumes<br />
btrfs-subvolume-set-default set default btrfs subvolume<br />
btrfs-subvolume-snapshot create a writable btrfs snapshot<br />
canonical-device-name return canonical device name<br />
cap-get-file         get the Linux capabilities attached to a file<br />
cap-set-file         set the Linux capabilities attached to a file<br />
case-sensitive-path  return true path on case-insensitive filesystem<br />
cat                  list the contents of a file<br />
checksum             compute MD5, SHAx or CRC checksum of file<br />
checksum-device      compute MD5, SHAx or CRC checksum of the contents of a device<br />
checksums-out        compute MD5, SHAx or CRC checksum of files in a directory<br />
chmod                change file mode<br />
chown                change file owner and group<br />
command              run a command from the guest filesystem<br />
command-lines        run a command, returning lines<br />
compress-device-out  output compressed device<br />
compress-out         output compressed file<br />
config               add qemu parameters<br />
copy-device-to-device copy from source device to destination device<br />
copy-device-to-file  copy from source device to destination file<br />
copy-file-to-device  copy from source file to destination device<br />
copy-file-to-file    copy from source file to destination file<br />
copy-in              copy local files or directories into an image<br />
copy-out             copy remote files or directories out of an image<br />
copy-size            copy size bytes from source to destination using dd<br />
cp                   copy a file<br />
cp-a                 copy a file or directory recursively<br />
dd                   copy from source to destination using dd<br />
debug                debugging and internals<br />
debug-drives         debug the drives (internal use only)<br />
debug-upload         upload a file to the appliance (internal use only)<br />
delete-event         delete a previously registered event handler<br />
device-index         convert device to index<br />
df                   report file system disk space usage<br />
df-h                 report file system disk space usage (human readable)<br />
disk-format          detect the disk format of a disk image<br />
disk-has-backing-file return whether disk has a backing file<br />
disk-virtual-size    return virtual size of a disk<br />
display              display an image<br />
dmesg                return kernel messages<br />
download             download a file to the local machine<br />
download-offset      download a file to the local machine with offset and size<br />
drop-caches          drop kernel page cache, dentries and inodes<br />
du                   estimate file space usage<br />
e2fsck               check an ext2/ext3 filesystem<br />
e2fsck-f             check an ext2/ext3 filesystem<br />
echo                 display a line of text<br />
echo-daemon          echo arguments back to the client<br />
edit                 edit a file<br />
egrep                return lines matching a pattern<br />
egrepi               return lines matching a pattern<br />
equal                test if two files have equal contents<br />
event                register a handler for an event or events<br />
exists               test if file or directory exists<br />
fallocate            preallocate a file in the guest filesystem<br />
fallocate64          preallocate a file in the guest filesystem<br />
fgrep                return lines matching a pattern<br />
fgrepi               return lines matching a pattern<br />
file                 determine file type<br />
file-architecture    detect the architecture of a binary file<br />
filesize             return the size of the file in bytes<br />
filesystem-available check if filesystem is available<br />
fill                 fill a file with octets<br />
fill-dir             fill a directory with empty files<br />
fill-pattern         fill a file with a repeating pattern of bytes<br />
find                 find all files and directories<br />
find0                find all files and directories, returning NUL-separated list<br />
findfs-label         find a filesystem by label<br />
findfs-uuid          find a filesystem by UUID<br />
fsck                 run the filesystem checker<br />
fstrim               trim free space in a filesystem<br />
get-append           get the additional kernel options<br />
get-attach-method    get the attach method<br />
get-autosync         get autosync mode<br />
get-cachedir         get the appliance cache directory<br />
get-direct           get direct appliance mode flag<br />
get-e2attrs          get ext2 file attributes of a file<br />
get-e2generation     get ext2 file generation of a file<br />
get-e2label          get the ext2/3/4 filesystem label<br />
get-e2uuid           get the ext2/3/4 filesystem UUID<br />
get-libvirt-requested-credential-challenge challenge of i’th requested credential<br />
get-libvirt-requested-credential-defresult default result of i’th requested credential<br />
get-libvirt-requested-credential-prompt prompt of i’th requested credential<br />
get-libvirt-requested-credentials get list of credentials requested by libvirt<br />
get-memsize          get memory allocated to the qemu subprocess<br />
get-network          get enable network flag<br />
get-path             get the search path<br />
get-pgroup           get process group flag<br />
get-pid              get PID of qemu subprocess<br />
get-qemu             get the qemu binary<br />
get-recovery-proc    get recovery process enabled flag<br />
get-selinux          get SELinux enabled flag<br />
get-smp              get number of virtual CPUs in appliance<br />
get-tmpdir           get the temporary directory<br />
get-trace            get command trace enabled flag<br />
get-umask            get the current umask<br />
get-verbose          get verbose mode<br />
getcon               get SELinux security context<br />
getxattr             get a single extended attribute<br />
getxattrs            list extended attributes of a file or directory<br />
glob                 expand wildcards in command<br />
glob-expand          expand a wildcard path<br />
grep                 return lines matching a pattern<br />
grepi                return lines matching a pattern<br />
grub-install         install GRUB 1<br />
head                 return first 10 lines of a file<br />
head-n               return first N lines of a file<br />
hexdump              dump a file in hexadecimal<br />
hexedit              edit with a hex editor<br />
hivex-close          close the current hivex handle<br />
hivex-commit         commit (write) changes back to the hive<br />
hivex-node-add-child add a child node<br />
hivex-node-children  return list of nodes which are subkeys of node<br />
hivex-node-delete-child delete a node (recursively)<br />
hivex-node-get-child return the named child of node<br />
hivex-node-get-value return the named value<br />
hivex-node-name      return the name of the node<br />
hivex-node-parent    return the parent of node<br />
hivex-node-set-value set or replace a single value in a node<br />
hivex-node-values    return list of values attached to node<br />
hivex-open           open a Windows Registry hive file<br />
hivex-root           return the root node of the hive<br />
hivex-value-key      return the key field from the (key, datatype, data) tuple<br />
hivex-value-type     return the data type from the (key, datatype, data) tuple<br />
hivex-value-utf8     return the data field from the (key, datatype, data) tuple<br />
hivex-value-value    return the data field from the (key, datatype, data) tuple<br />
initrd-cat           list the contents of a single file in an initrd<br />
initrd-list          list files in an initrd<br />
inotify-add-watch    add an inotify watch<br />
inotify-close        close the inotify handle<br />
inotify-files        return list of watched files that had events<br />
inotify-init         create an inotify handle<br />
inotify-read         return list of inotify events<br />
inotify-rm-watch     remove an inotify watch<br />
inspect-get-arch     get architecture of inspected operating system<br />
inspect-get-distro   get distro of inspected operating system<br />
inspect-get-drive-mappings get drive letter mappings<br />
inspect-get-filesystems get filesystems associated with inspected operating system<br />
inspect-get-format   get format of inspected operating system<br />
inspect-get-hostname get hostname of the operating system<br />
inspect-get-icon     get the icon corresponding to this operating system<br />
inspect-get-major-version get major version of inspected operating system<br />
inspect-get-minor-version get minor version of inspected operating system<br />
inspect-get-mountpoints get mountpoints of inspected operating system<br />
inspect-get-package-format get package format used by the operating system<br />
inspect-get-package-management get package management tool used by the operating system<br />
inspect-get-product-name get product name of inspected operating system<br />
inspect-get-product-variant get product variant of inspected operating system<br />
inspect-get-roots    return list of operating systems found by last inspection<br />
inspect-get-type     get type of inspected operating system<br />
inspect-get-windows-current-control-set get Windows CurrentControlSet of inspected operating system<br />
inspect-get-windows-systemroot get Windows systemroot of inspected operating system<br />
inspect-is-live      get live flag for install disk<br />
inspect-is-multipart get multipart flag for install disk<br />
inspect-is-netinst   get netinst (network installer) flag for install disk<br />
inspect-list-applications get list of applications installed in the operating system<br />
inspect-list-applications2 get list of applications installed in the operating system<br />
inspect-os           inspect disk and return list of operating systems found<br />
is-blockdev          test if block device<br />
is-chardev           test if character device<br />
is-config            is in configuration state<br />
is-dir               test if a directory<br />
is-fifo              test if FIFO (named pipe)<br />
is-file              test if a regular file<br />
is-lv                test if device is a logical volume<br />
is-socket            test if socket<br />
is-symlink           test if symbolic link<br />
is-whole-device      test if a device is a whole device<br />
is-zero              test if a file contains all zero bytes<br />
is-zero-device       test if a device contains all zero bytes<br />
isoinfo              get ISO information from primary volume descriptor of ISO file<br />
isoinfo-device       get ISO information from primary volume descriptor of device<br />
kill-subprocess      kill the qemu subprocess<br />
launch               launch the qemu subprocess<br />
lcd                  change working directory<br />
lchown               change file owner and group<br />
ldmtool-create-all   scan and create Windows dynamic disk volumes<br />
ldmtool-diskgroup-disks return the disks in a Windows dynamic disk group<br />
ldmtool-diskgroup-name return the name of a Windows dynamic disk group<br />
ldmtool-diskgroup-volumes return the volumes in a Windows dynamic disk group<br />
ldmtool-remove-all   remove all Windows dynamic disk volumes<br />
ldmtool-scan         scan for Windows dynamic disks<br />
ldmtool-scan-devices scan for Windows dynamic disks<br />
ldmtool-volume-hint  return the hint field of a Windows dynamic disk volume<br />
ldmtool-volume-partitions return the partitions in a Windows dynamic disk volume<br />
ldmtool-volume-type  return the type of a Windows dynamic disk volume<br />
lgetxattr            get a single extended attribute<br />
lgetxattrs           list extended attributes of a file or directory<br />
list-9p              list 9p filesystems<br />
list-devices         list the block devices<br />
list-disk-labels     mapping of disk labels to devices<br />
list-dm-devices      list device mapper devices<br />
list-events          list event handlers<br />
list-filesystems     list filesystems<br />
list-ldm-partitions  list all Windows dynamic disk partitions<br />
list-ldm-volumes     list all Windows dynamic disk volumes<br />
list-md-devices      list Linux md (RAID) devices<br />
list-partitions      list the partitions<br />
ll                   list the files in a directory (long format)<br />
llz                  list the files in a directory (long format with SELinux contexts)<br />
ln                   create a hard link<br />
ln-f                 create a hard link<br />
ln-s                 create a symbolic link<br />
ln-sf                create a symbolic link<br />
lremovexattr         remove extended attribute of a file or directory<br />
ls                   list the files in a directory<br />
ls0                  get list of files in a directory<br />
lsetxattr            set extended attribute of a file or directory<br />
lstat                get file information for a symbolic link<br />
lstatlist            lstat on multiple files<br />
luks-add-key         add a key on a LUKS encrypted device<br />
luks-close           close a LUKS device<br />
luks-format          format a block device as a LUKS encrypted device<br />
luks-format-cipher   format a block device as a LUKS encrypted device<br />
luks-kill-slot       remove a key from a LUKS encrypted device<br />
luks-open            open a LUKS-encrypted block device<br />
luks-open-ro         open a LUKS-encrypted block device read-only<br />
lvcreate             create an LVM logical volume<br />
lvcreate-free        create an LVM logical volume in % remaining free space<br />
lvm-canonical-lv-name get canonical name of an LV<br />
lvm-clear-filter     clear LVM device filter<br />
lvm-remove-all       remove all LVM LVs, VGs and PVs<br />
lvm-set-filter       set LVM device filter<br />
lvremove             remove an LVM logical volume<br />
lvrename             rename an LVM logical volume<br />
lvresize             resize an LVM logical volume<br />
lvresize-free        expand an LV to fill free space<br />
lvs                  list the LVM logical volumes (LVs)<br />
lvs-full             list the LVM logical volumes (LVs)<br />
lvuuid               get the UUID of a logical volume<br />
lxattrlist           lgetxattr on multiple files<br />
man                  open the manual<br />
max-disks            maximum number of disks that may be added<br />
md-create            create a Linux md (RAID) device<br />
md-detail            obtain metadata for an MD device<br />
md-stat              get underlying devices from an MD device<br />
md-stop              stop a Linux md (RAID) device<br />
mkdir                create a directory<br />
mkdir-mode           create a directory with a particular mode<br />
mkdir-p              create a directory and parents<br />
mkdtemp              create a temporary directory<br />
mke2fs               create an ext2/ext3/ext4 filesystem on device<br />
mke2fs-J             make ext2/3/4 filesystem with external journal<br />
mke2fs-JL            make ext2/3/4 filesystem with external journal<br />
mke2fs-JU            make ext2/3/4 filesystem with external journal<br />
mke2journal          make ext2/3/4 external journal<br />
mke2journal-L        make ext2/3/4 external journal with label<br />
mke2journal-U        make ext2/3/4 external journal with UUID<br />
mkfifo               make FIFO (named pipe)<br />
mkfs                 make a filesystem<br />
mkfs-b               make a filesystem with block size<br />
mkfs-btrfs           create a btrfs filesystem<br />
mklost-and-found     make lost+found directory on an ext2/3/4 filesystem<br />
mkmountpoint         create a mountpoint<br />
mknod                make block, character or FIFO devices<br />
mknod-b              make block device node<br />
mknod-c              make char device node<br />
mkswap               create a swap partition<br />
mkswap-L             create a swap partition with a label<br />
mkswap-U             create a swap partition with an explicit UUID<br />
mkswap-file          create a swap file<br />
mktemp               create a temporary file<br />
modprobe             load a kernel module<br />
more                 view a file<br />
mount                mount a guest disk at a position in the filesystem<br />
mount-9p             mount 9p filesystem<br />
mount-local          mount on the local filesystem<br />
mount-local-run      run main loop of mount on the local filesystem<br />
mount-loop           mount a file using the loop device<br />
mount-options        mount a guest disk with mount options<br />
mount-ro             mount a guest disk, read-only<br />
mount-vfs            mount a guest disk with mount options and vfstype<br />
mountpoints          show mountpoints<br />
mounts               show mounted filesystems<br />
mv                   move a file<br />
nr-devices           return number of whole block devices (disks) added<br />
ntfs-3g-probe        probe NTFS volume<br />
ntfsclone-in         restore NTFS from backup file<br />
ntfsclone-out        save NTFS to backup file<br />
ntfsfix              fix common errors and force Windows to check NTFS<br />
ntfsresize           resize an NTFS filesystem<br />
ntfsresize-size      resize an NTFS filesystem (with size)<br />
parse-environment    parse the environment and set handle flags accordingly<br />
parse-environment-list parse the environment and set handle flags accordingly<br />
part-add             add a partition to the device<br />
part-del             delete a partition<br />
part-disk            partition whole disk with a single primary partition<br />
part-get-bootable    return true if a partition is bootable<br />
part-get-gpt-type    get the type GUID of a GPT partition<br />
part-get-mbr-id      get the MBR type byte (ID byte) from a partition<br />
part-get-parttype    get the partition table type<br />
part-init            create an empty partition table<br />
part-list            list partitions on a device<br />
part-set-bootable    make a partition bootable<br />
part-set-gpt-type    set the type GUID of a GPT partition<br />
part-set-mbr-id      set the MBR type byte (ID byte) of a partition<br />
part-set-name        set partition name<br />
part-to-dev          convert partition name to device name<br />
part-to-partnum      convert partition name to partition number<br />
ping-daemon          ping the guest daemon<br />
pread                read part of a file<br />
pread-device         read part of a device<br />
pvchange-uuid        generate a new random UUID for a physical volume<br />
pvchange-uuid-all    generate new random UUIDs for all physical volumes<br />
pvcreate             create an LVM physical volume<br />
pvremove             remove an LVM physical volume<br />
pvresize             resize an LVM physical volume<br />
pvresize-size        resize an LVM physical volume (with size)<br />
pvs                  list the LVM physical volumes (PVs)<br />
pvs-full             list the LVM physical volumes (PVs)<br />
pvuuid               get the UUID of a physical volume<br />
pwrite               write to part of a file<br />
pwrite-device        write to part of a device<br />
read-file            read a file<br />
read-lines           read file as lines<br />
readdir              read directories entries<br />
readlink             read the target of a symbolic link<br />
readlinklist         readlink on multiple files<br />
realpath             canonicalized absolute pathname<br />
remove-drive         remove a disk image<br />
removexattr          remove extended attribute of a file or directory<br />
rename               rename a file on the same filesystem<br />
reopen               close and reopen libguestfs handle<br />
resize2fs            resize an ext2, ext3 or ext4 filesystem<br />
resize2fs-M          resize an ext2, ext3 or ext4 filesystem to the minimum size<br />
resize2fs-size       resize an ext2, ext3 or ext4 filesystem (with size)<br />
rm                   remove a file<br />
rm-f                 remove a file ignoring errors<br />
rm-rf                remove a file or directory recursively<br />
rmdir                remove a directory<br />
rmmountpoint         remove a mountpoint<br />
rsync                synchronize the contents of two directories<br />
rsync-in             synchronize host or remote filesystem with filesystem<br />
rsync-out            synchronize filesystem with host or remote filesystem<br />
scrub-device         scrub (securely wipe) a device<br />
scrub-file           scrub (securely wipe) a file<br />
scrub-freespace      scrub (securely wipe) free space<br />
set-append           add options to kernel command line<br />
set-attach-method    set the attach method<br />
set-autosync         set autosync mode<br />
set-cachedir         set the appliance cache directory<br />
set-direct           enable or disable direct appliance mode<br />
set-e2attrs          set ext2 file attributes of a file<br />
set-e2generation     set ext2 file generation of a file<br />
set-e2label          set the ext2/3/4 filesystem label<br />
set-e2uuid           set the ext2/3/4 filesystem UUID<br />
set-label            set filesystem label<br />
set-libvirt-requested-credential pass requested credential back to libvirt<br />
set-libvirt-supported-credentials set libvirt credentials supported by calling program<br />
set-memsize          set memory allocated to the qemu subprocess<br />
set-network          set enable network flag<br />
set-path             set the search path<br />
set-pgroup           set process group flag<br />
set-qemu             set the qemu binary<br />
set-recovery-proc    enable or disable the recovery process<br />
set-selinux          set SELinux enabled or disabled at appliance boot<br />
set-smp              set number of virtual CPUs in appliance<br />
set-tmpdir           set the temporary directory<br />
set-trace            enable or disable command traces<br />
set-verbose          set verbose mode<br />
setcon               set SELinux security context<br />
setenv               set an environment variable<br />
setxattr             set extended attribute of a file or directory<br />
sfdisk               create partitions on a block device<br />
sfdiskM              create partitions on a block device<br />
sfdisk-N             modify a single partition on a block device<br />
sfdisk-disk-geometry display the disk geometry from the partition table<br />
sfdisk-kernel-geometry display the kernel geometry<br />
sfdisk-l             display the partition table<br />
sh                   run a command via the shell<br />
sh-lines             run a command via the shell returning lines<br />
shutdown             shutdown the qemu subprocess<br />
sleep                sleep for some seconds<br />
sparse               create a sparse disk image and add<br />
stat                 get file information<br />
statvfs              get file system statistics<br />
strings              print the printable strings in a file<br />
strings-e            print the printable strings in a file<br />
supported            list supported groups of commands<br />
swapoff-device       disable swap on device<br />
swapoff-file         disable swap on file<br />
swapoff-label        disable swap on labeled swap partition<br />
swapoff-uuid         disable swap on swap partition by UUID<br />
swapon-device        enable swap on device<br />
swapon-file          enable swap on file<br />
swapon-label         enable swap on labeled swap partition<br />
swapon-uuid          enable swap on swap partition by UUID<br />
sync                 sync disks, writes are flushed through to the disk image<br />
tail                 return last 10 lines of a file<br />
tail-n               return last N lines of a file<br />
tar-in               unpack tarfile to directory<br />
tar-out              pack directory into tarfile<br />
tgz-in               unpack compressed tarball to directory<br />
tgz-out              pack directory into compressed tarball<br />
time                 print elapsed time taken to run a command<br />
touch                update file timestamps or create a new file<br />
truncate             truncate a file to zero size<br />
truncate-size        truncate a file to a particular size<br />
tune2fs              adjust ext2/ext3/ext4 filesystem parameters<br />
tune2fs-l            get ext2/ext3/ext4 superblock details<br />
txz-in               unpack compressed tarball to directory<br />
txz-out              pack directory into compressed tarball<br />
umask                set file mode creation mask (umask)<br />
umount               unmount a filesystem<br />
umount-all           unmount all filesystems<br />
umount-local         unmount a locally mounted filesystem<br />
unsetenv             unset an environment variable<br />
upload               upload a file from the local machine<br />
upload-offset        upload a file from the local machine with offset<br />
user-cancel          cancel the current upload or download operation<br />
utimens              set timestamp of a file with nanosecond precision<br />
utsname              appliance kernel version<br />
version              get the library version number<br />
vfs-label            get the filesystem label<br />
vfs-type             get the Linux VFS type corresponding to a mounted device<br />
vfs-uuid             get the filesystem UUID<br />
vg-activate          activate or deactivate some volume groups<br />
vg-activate-all      activate or deactivate all volume groups<br />
vgchange-uuid        generate a new random UUID for a volume group<br />
vgchange-uuid-all    generate new random UUIDs for all volume groups<br />
vgcreate             create an LVM volume group<br />
vglvuuids            get the LV UUIDs of all LVs in the volume group<br />
vgmeta               get volume group metadata<br />
vgpvuuids            get the PV UUIDs containing the volume group<br />
vgremove             remove an LVM volume group<br />
vgrename             rename an LVM volume group<br />
vgs                  list the LVM volume groups (VGs)<br />
vgs-full             list the LVM volume groups (VGs)<br />
vgscan               rescan for LVM physical volumes, volume groups and logical volumes<br />
vguuid               get the UUID of a volume group<br />
wc-c                 count characters in a file<br />
wc-l                 count lines in a file<br />
wc-w                 count words in a file<br />
wipefs               wipe a filesystem signature from a device<br />
write                create a new file<br />
write-append         append content to end of file<br />
write-file           create a file<br />
xfs-admin            change parameters of an XFS filesystem<br />
xfs-growfs           expand an existing XFS filesystem<br />
xfs-info             get geometry of XFS filesystem<br />
xfs-repair           repair an XFS filesystem<br />
zegrep               return lines matching a pattern<br />
zegrepi              return lines matching a pattern<br />
zero                 write zeroes to the device<br />
zero-device          write zeroes to an entire device<br />
zero-free-space      zero free space in a filesystem<br />
zerofree             zero unused inodes and disk blocks on ext2/3 filesystem<br />
zfgrep               return lines matching a pattern<br />
zfgrepi              return lines matching a pattern<br />
zfile                determine file type inside a compressed file<br />
zgrep                return lines matching a pattern<br />
zgrepi               return lines matching a pattern<br />
    Use -h  / help  to show detailed help for a command.

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Command Description

help displayalist of commands orhelp onacommand

quit quit guestfish

acl-delete-def-file delete the defaultPOSIX ACL ofadirectory

acl-get-file get the POSIX ACL attached toafile

acl-set-file set the POSIX ACL attached toafile

add-cdrom addaCD-ROM disc image toexamine

add-domain add the disc(s)fromanamed libvirt domain

add-drive add an image toexamine ormodify

add-drive-ro addadrive insnapshot mode(read-only)

add-drive-ro-with-ifaddadrive read-only specifying the QEMU block emulation touse

add-drive-with-if addadrive specifying the QEMU block emulation touse

alloc allocate andaddadisc file

aug-clear clear Augeas path

aug-close close the current Augeas handle

aug-defnode define an Augeas node

aug-defvar define an Augeas variable

aug-get look up the value of an Augeas path

aug-init createanewAugeas handle

aug-insert insertasibling Augeas node

aug-load load files into the tree

aug-ls list Augeas nodes under augpath

aug-match returnAugeas nodes which match augpath

aug-mv move Augeas node

aug-rm remove an Augeas path

aug-save write all pending Augeas changes todisk

aug-set set Augeas path tovalue

available test availability of some parts of the API

available-all-groups returnalist of all optional groups

base64-in upload base64-encoded data tofile

base64-out download file andencode asbase64

blkid print block device attributes

blockdev-flushbufs flush device buffers

blockdev-getbsz get blocksize of block device

blockdev-getro isblock device set toread-only

blockdev-getsize64 get total size of device inbytes

blockdev-getss get sectorsize of block device

blockdev-getsz get total size of device in512-bytesectors

blockdev-rereadpt reread partition table

blockdev-setbsz set blocksize of block device

blockdev-setro set block device toread-only

blockdev-setrw set block device toread-write

btrfs-device-add add devices toabtrfs filesystem

btrfs-device-delete remove devices fromabtrfs filesystem

btrfs-filesystem-balance balanceabtrfs filesystem

btrfs-filesystem-resize resizeabtrfs filesystem

btrfs-filesystem-sync syncabtrfs filesystem

btrfs-fsck checkabtrfs filesystem

btrfs-set-seeding enable ordisable the seeding feature of device

btrfs-subvolume-create createabtrfs snapshot

btrfs-subvolume-delete deleteabtrfs snapshot

btrfs-subvolume-list list btrfs snapshots andsubvolumes

btrfs-subvolume-set-defaultset defaultbtrfs subvolume

btrfs-subvolume-snapshot createawritable btrfs snapshot

canonical-device-name returncanonical device name

cap-get-file get the Linux capabilities attached toafile

cap-set-file set the Linux capabilities attached toafile

case-sensitive-path returntruepath on case-insensitive filesystem

cat list the contents ofafile

checksum compute MD5,SHAx orCRC checksum of file

checksum-device compute MD5,SHAx orCRC checksum of the contents ofadevice

checksums-out compute MD5,SHAx orCRC checksum of files inadirectory

chmod change file mode

chown change file owner andgroup

command runacommand from the guest filesystem

command-lines runacommand,returning lines

compress-device-out output compressed device

compress-out output compressed file

config add qemu parameters

copy-device-to-device copy from source device todestination device

copy-device-to-file copy from source device todestination file

copy-file-to-device copy from source file todestination device

copy-file-to-file copy from source file todestination file

copy-in copy local files ordirectories into an image

copy-out copy remote files ordirectories out of an image

copy-size copy size bytes from source todestination using dd

cp copyafile

cp-a copyafile ordirectory recursively

dd copy from source todestination using dd

debug debugging andinternals

debug-drives debug the drives(internal useonly)

debug-upload uploadafile tothe appliance(internal useonly)

delete-event deleteapreviously registered event handler

device-index convert device toindex

df report file system disk space usage

df-h report file system disk space usage(human readable)

disk-format detect the disk format ofadisk image

disk-has-backing-file returnwhether disk hasabacking file

disk-virtual-size returnvirtual size ofadisk

display display an image

dmesg returnkernel messages

download downloadafile tothe local machine

download-offset downloadafile tothe local machine with offset andsize

drop-caches drop kernel page cache,dentries andinodes

du estimate file space usage

e2fsck check an ext2/ext3 filesystem

e2fsck-f check an ext2/ext3 filesystem

echo displayaline of text

echo-daemon echo arguments back tothe client

edit editafile

egrep returnlines matchingapattern

egrepi returnlines matchingapattern

equal test iftwo files have equal contents

event registerahandler foran event orevents

exists test iffile ordirectory exists

fallocate preallocateafile inthe guest filesystem

fallocate64 preallocateafile inthe guest filesystem

fgrep returnlines matchingapattern

fgrepi returnlines matchingapattern

file determine file type

file-architecture detect the architecture ofabinary file

filesize returnthe size of the file inbytes

filesystem-available check iffilesystem isavailable

fill fillafile with octets

fill-dir filladirectory with empty files

fill-pattern fillafile witharepeating pattern of bytes

find find all files anddirectories

find0 find all files anddirectories,returning NUL-separated list

findfs-label findafilesystem by label

findfs-uuid findafilesystem by UUID

fsck run the filesystem checker

fstrim trim free space inafilesystem

get-append get the additional kernel options

get-attach-method get the attach method

get-autosync get autosync mode

get-cachedir get the appliance cache directory

get-direct get direct appliance mode flag

get-e2attrs get ext2 file attributes ofafile

get-e2generation get ext2 file generation ofafile

get-e2label get the ext2/3/4filesystem label

get-e2uuid get the ext2/3/4filesystem UUID

get-libvirt-requested-credential-challenge challenge ofi’th requested credential

get-libvirt-requested-credential-defresult default result of i’th requested credential

get-libvirt-requested-credential-prompt prompt ofi’th requested credential

get-libvirt-requested-credentials get list of credentials requested by libvirt

get-memsize get memory allocated tothe qemu subprocess

get-network get enable network flag

get-path get the search path

get-pgroup get process group flag

get-pid get PID of qemu subprocess

get-qemu get the qemu binary

get-recovery-proc get recovery process enabled flag

get-selinux get SELinux enabled flag

get-smp get number of virtual CPUs inappliance

get-tmpdir get the temporary directory

get-trace get command trace enabled flag

get-umask get the current umask

get-verbose get verbose mode

getcon get SELinux security context

getxattr getasingle extended attribute

getxattrs list extended attributes ofafile ordirectory

glob expand wildcards incommand

glob-expand expandawildcard path

grep returnlines matchingapattern

grepi returnlines matchingapattern

grub-install install GRUB1

head returnfirst10lines ofafile

head-n returnfirstNlines ofafile

hexdump dumpafile inhexadecimal

hexedit edit withahex editor

hivex-close close the current hivex handle

hivex-commit commit(write)changes back tothe hive

hivex-node-add-childaddachildnode

hivex-node-children returnlist of nodes which are subkeys of node

hivex-node-delete-childdeleteanode(recursively)

hivex-node-get-childreturnthe named childof node

hivex-node-get-value returnthe named value

hivex-node-name returnthe name of the node

hivex-node-parent returnthe parentof node

hivex-node-set-value set orreplaceasingle value inanode

hivex-node-values returnlist of values attached tonode

hivex-open openaWindows Registry hive file

hivex-root returnthe root node of the hive

hivex-value-key returnthe key field from the(key,datatype,data)tuple

hivex-value-type returnthe data type from the(key,datatype,data)tuple

hivex-value-utf8 returnthe data field from the(key,datatype,data)tuple

hivex-value-value returnthe data field from the(key,datatype,data)tuple

initrd-cat list the contents ofasingle file inan initrd

initrd-list list files inan initrd

inotify-add-watch add an inotify watch

inotify-close close the inotify handle

inotify-files returnlist of watched files that had events

inotify-init create an inotify handle

inotify-read returnlist of inotify events

inotify-rm-watch remove an inotify watch

inspect-get-arch get architecture of inspected operating system

inspect-get-distro get distro of inspected operating system

inspect-get-drive-mappings get drive letter mappings

inspect-get-filesystems get filesystems associated with inspected operating system

inspect-get-format get format of inspected operating system

inspect-get-hostname get hostname of the operating system

inspect-get-icon get the icon corresponding tothisoperating system

inspect-get-major-version get major version of inspected operating system

inspect-get-minor-version get minor version of inspected operating system

inspect-get-mountpoints get mountpoints of inspected operating system

inspect-get-package-format get packageformat used by the operating system

inspect-get-package-management get packagemanagement tool used by the operating system

inspect-get-product-name get product name of inspected operating system

inspect-get-product-variant get product variant of inspected operating system

inspect-get-roots returnlist of operating systems found by last inspection

inspect-get-type get type of inspected operating system

inspect-get-windows-current-control-set get Windows CurrentControlSet of inspected operating system

inspect-get-windows-systemroot get Windows systemroot of inspected operating system

inspect-is-live get live flag forinstall disk

inspect-is-multipart get multipart flag forinstall disk

inspect-is-netinst get netinst(network installer)flag forinstall disk

inspect-list-applications get list of applications installed inthe operating system

inspect-list-applications2 get list of applications installed inthe operating system

inspect-os inspect disk andreturnlist of operating systems found

is-blockdev test ifblock device

is-chardev test ifcharacter device

is-config isinconfiguration state

is-dir test ifadirectory

is-fifo test ifFIFO(named pipe)

is-file test ifaregular file

is-lv test ifdevice isalogical volume

is-socket test ifsocket

is-symlink test ifsymbolic link

is-whole-device test ifadevice isawhole device

is-zero test ifafile contains all zero bytes

is-zero-device test ifadevice contains all zero bytes

isoinfo get ISO information from primary volume descriptor of ISO file

isoinfo-device get ISO information from primary volume descriptor of device

kill-subprocess kill the qemu subprocess

launch launch the qemu subprocess

lcd change working directory

lchown change file owner andgroup

ldmtool-create-all scan andcreate Windows dynamic disk volumes

ldmtool-diskgroup-disks returnthe disks inaWindows dynamic disk group

ldmtool-diskgroup-name returnthe name ofaWindows dynamic disk group

ldmtool-diskgroup-volumes returnthe volumes inaWindows dynamic disk group

ldmtool-remove-all remove all Windows dynamic disk volumes

ldmtool-scan scan forWindows dynamic disks

ldmtool-scan-devices scan forWindows dynamic disks

ldmtool-volume-hint returnthe hint field ofaWindows dynamic disk volume

ldmtool-volume-partitions returnthe partitions inaWindows dynamic disk volume

ldmtool-volume-type returnthe type ofaWindows dynamic disk volume

lgetxattr getasingle extended attribute

lgetxattrs list extended attributes ofafile ordirectory

list-9p list9pfilesystems

list-devices list the block devices

list-disk-labels mapping of disk labels todevices

list-dm-devices list device mapper devices

list-events list event handlers

list-filesystems list filesystems

list-ldm-partitions list all Windows dynamic disk partitions

list-ldm-volumes list all Windows dynamic disk volumes

list-md-devices list Linux md(RAID)devices

list-partitions list the partitions

ll list the files inadirectory(longformat)

llz list the files inadirectory(longformat with SELinux contexts)

ln createahard link

ln-f createahard link

ln-s createasymbolic link

ln-sf createasymbolic link

lremovexattr remove extended attribute ofafile ordirectory

ls list the files inadirectory

ls0 get list of files inadirectory

lsetxattr set extended attribute ofafile ordirectory

lstat get file information forasymbolic link

lstatlist lstat on multiple files

luks-add-key addakey onaLUKS encrypted device

luks-close closeaLUKS device

luks-format formatablock device asaLUKS encrypted device

luks-format-cipher formatablock device asaLUKS encrypted device

luks-kill-slot removeakey fromaLUKS encrypted device

luks-open openaLUKS-encrypted block device

luks-open-ro openaLUKS-encrypted block device read-only

lvcreate create an LVM logical volume

lvcreate-free create an LVM logical volume in%remaining free space

lvm-canonical-lv-name get canonical name of an LV

lvm-clear-filter clear LVM device filter

lvm-remove-all remove all LVM LVs,VGs andPVs

lvm-set-filter set LVM device filter

lvremove remove an LVM logical volume

lvrename rename an LVM logical volume

lvresize resize an LVM logical volume

lvresize-free expand an LV tofill free space

lvs list the LVM logical volumes(LVs)

lvs-full list the LVM logical volumes(LVs)

lvuuid get the UUID ofalogical volume

lxattrlist lgetxattr on multiple files

man open the manual

max-disks maximum number of disks that may be added

md-create createaLinux md(RAID)device

md-detail obtain metadata foran MD device

md-stat get underlying devices from an MD device

md-stop stopaLinux md(RAID)device

mkdir createadirectory

mkdir-mode createadirectory withaparticular mode

mkdir-p createadirectory andparents

mkdtemp createatemporary directory

mke2fs create an ext2/ext3/ext4 filesystem on device

mke2fs-J make ext2/3/4filesystem with external journal

mke2fs-JL make ext2/3/4filesystem with external journal

mke2fs-JU make ext2/3/4filesystem with external journal

mke2journal make ext2/3/4external journal

mke2journal-L make ext2/3/4external journal with label

mke2journal-U make ext2/3/4external journal with UUID

mkfifo make FIFO(named pipe)

mkfs makeafilesystem

mkfs-b makeafilesystem with block size

mkfs-btrfs createabtrfs filesystem

mklost-and-found make lost+found directory on an ext2/3/4filesystem

mkmountpoint createamountpoint

mknod make block,character orFIFO devices

mknod-b make block device node

mknod-c make chardevice node

mkswap createaswap partition

mkswap-L createaswap partition withalabel

mkswap-U createaswap partition with an explicit UUID

mkswap-file createaswap file

mktemp createatemporary file

modprobe loadakernel module

more viewafile

mount mountaguest disk ataposition inthe filesystem

mount-9p mount9pfilesystem

mount-local mount on the local filesystem

mount-local-run run main loop of mount on the local filesystem

mount-loop mountafile using the loop device

mount-options mountaguest disk with mount options

mount-ro mountaguest disk,read-only

mount-vfs mountaguest disk with mount options andvfstype

mountpoints show mountpoints

mounts show mounted filesystems

mv moveafile

nr-devices returnnumber of whole block devices(disks)added

ntfs-3g-probe probe NTFS volume

ntfsclone-in restore NTFS from backup file

ntfsclone-out save NTFS tobackup file

ntfsfix fix common errors andforce Windows tocheck NTFS

ntfsresize resize an NTFS filesystem

ntfsresize-size resize an NTFS filesystem(with size)

parse-environment parse the environment andset handle flags accordingly

parse-environment-list parse the environment andset handle flags accordingly

part-add addapartition tothe device

part-del deleteapartition

part-disk partition whole disk withasingle primary partition

part-get-bootable returntrueifapartition isbootable

part-get-gpt-type get the type GUID ofaGPT partition

part-get-mbr-id get the MBR type byte(ID byte)fromapartition

part-get-parttype get the partition table type

part-init create an empty partition table

part-list list partitions onadevice

part-set-bootable makeapartition bootable

part-set-gpt-type set the type GUID ofaGPT partition

part-set-mbr-id set the MBR type byte(ID byte)ofapartition

part-set-name set partition name

part-to-dev convert partition name todevice name

part-to-partnum convert partition name topartition number

ping-daemon ping the guest daemon

pread read part ofafile

pread-device read part ofadevice

pvchange-uuid generateanewrandom UUID foraphysical volume

pvchange-uuid-all generate newrandom UUIDs forall physical volumes

pvcreate create an LVM physical volume

pvremove remove an LVM physical volume

pvresize resize an LVM physical volume

pvresize-size resize an LVM physical volume(with size)

pvs list the LVM physical volumes(PVs)

pvs-full list the LVM physical volumes(PVs)

pvuuid get the UUID ofaphysical volume

pwrite write topart ofafile

pwrite-device write topart ofadevice

read-file readafile

read-lines read file aslines

readdir read directories entries

readlink read the target ofasymbolic link

readlinklist readlink on multiple files

realpath canonicalized absolute pathname

remove-drive removeadisk image

removexattr remove extended attribute ofafile ordirectory

rename renameafile on the same filesystem

reopen close andreopen libguestfs handle

resize2fs resize an ext2,ext3 orext4 filesystem

resize2fs-M resize an ext2,ext3 orext4 filesystem tothe minimum size

resize2fs-size resize an ext2,ext3 orext4 filesystem(with size)

rm removeafile

rm-f removeafile ignoring errors

rm-rf removeafile ordirectory recursively

rmdir removeadirectory

rmmountpoint removeamountpoint

rsync synchronize the contents of two directories

rsync-in synchronize host orremote filesystem with filesystem

rsync-out synchronize filesystem with host orremote filesystem

scrub-device scrub(securely wipe)adevice

scrub-file scrub(securely wipe)afile

scrub-freespace scrub(securely wipe)free space

set-append add options tokernel command line

set-attach-method set the attach method

set-autosync set autosync mode

set-cachedir set the appliance cache directory

set-direct enable ordisable direct appliance mode

set-e2attrs set ext2 file attributes ofafile

set-e2generation set ext2 file generation ofafile

set-e2label set the ext2/3/4filesystem label

set-e2uuid set the ext2/3/4filesystem UUID

set-label set filesystem label

set-libvirt-requested-credential pass requested credential back tolibvirt

set-libvirt-supported-credentials set libvirt credentials supported by calling program

set-memsize set memory allocated tothe qemu subprocess

set-network set enable network flag

set-path set the search path

set-pgroup set process group flag

set-qemu set the qemu binary

set-recovery-proc enable ordisable the recovery process

set-selinux set SELinux enabled ordisabled at appliance boot

set-smp set number of virtual CPUs inappliance

set-tmpdir set the temporary directory

set-trace enable ordisable command traces

set-verbose set verbose mode

setcon set SELinux security context

setenv set an environment variable

setxattr set extended attribute ofafile ordirectory

sfdisk create partitions onablock device

sfdiskM create partitions onablock device

sfdisk-N modifyasingle partition onablock device

sfdisk-disk-geometry display the disk geometry from the partition table

sfdisk-kernel-geometry display the kernel geometry

sfdisk-l display the partition table

sh runacommand via the shell

sh-lines runacommand via the shell returning lines

shutdown shutdown the qemu subprocess

sleep sleep forsome seconds

sparse createasparse disk image andadd

stat get file information

statvfs get file system statistics

strings print the printable strings inafile

strings-e print the printable strings inafile

supported list supported groups of commands

swapoff-device disable swap on device

swapoff-file disable swap on file

swapoff-label disable swap on labeled swap partition

swapoff-uuid disable swap on swap partition by UUID

swapon-device enable swap on device

swapon-file enable swap on file

swapon-label enable swap on labeled swap partition

swapon-uuid enable swap on swap partition by UUID

sync sync disks,writes are flushed through tothe disk image

tail returnlast10lines ofafile

tail-n returnlastNlines ofafile

tar-in unpack tarfile todirectory

tar-out pack directory into tarfile

tgz-in unpack compressed tarball todirectory

tgz-out pack directory into compressed tarball

time print elapsed time taken torunacommand

touch update file timestamps orcreateanewfile

truncate truncateafile tozero size

truncate-size truncateafile toaparticular size

tune2fs adjust ext2/ext3/ext4 filesystem parameters

tune2fs-l get ext2/ext3/ext4 superblock details

txz-in unpack compressed tarball todirectory

txz-out pack directory into compressed tarball

umask set file mode creation mask(umask)

umount unmountafilesystem

umount-all unmount all filesystems

umount-local unmountalocally mounted filesystem

unsetenv unset an environment variable

upload uploadafile from the local machine

upload-offset uploadafile from the local machine with offset

user-cancel cancel the current upload ordownload operation

utimens set timestamp ofafile with nanosecond precision

utsname appliance kernel version

version get the library version number

vfs-label get the filesystem label

vfs-type get the Linux VFS type corresponding toamounted device

vfs-uuid get the filesystem UUID

vg-activate activate ordeactivate some volume groups

vg-activate-all activate ordeactivate all volume groups

vgchange-uuid generateanewrandom UUID foravolume group

vgchange-uuid-all generate newrandom UUIDs forall volume groups

vgcreate create an LVM volume group

vglvuuids get the LV UUIDs of all LVs inthe volume group

vgmeta get volume group metadata

vgpvuuids get the PV UUIDs containing the volume group

vgremove remove an LVM volume group

vgrename rename an LVM volume group

vgs list the LVM volume groups(VGs)

vgs-full list the LVM volume groups(VGs)

vgscan rescan forLVM physical volumes,volume groups andlogical volumes

vguuid get the UUID ofavolume group

wc-c count characters inafile

wc-l count lines inafile

wc-w count words inafile

wipefs wipeafilesystem signature fromadevice

write createanewfile

write-append append content toendof file

write-file createafile

xfs-admin change parameters of an XFS filesystem

xfs-growfs expand an existing XFS filesystem

xfs-info get geometry of XFS filesystem

xfs-repair repair an XFS filesystem

zegrep returnlines matchingapattern

zegrepi returnlines matchingapattern

zero write zeroes tothe device

zero-device write zeroes toan entire device

zero-free-space zero free space inafilesystem

zerofree zero unused inodes anddisk blocks on ext2/3filesystem

zfgrep returnlines matchingapattern

zfgrepi returnlines matchingapattern

zfile determine file type insideacompressed file

zgrep returnlines matchingapattern

zgrepi returnlines matchingapattern

Use-h /help toshow detailed help foracommand.