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lxc-clone(1) - phpMan

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lxc-clone(1)                                                                         lxc-clone(1)

       lxc-clone - clone a new container from an existing one.

       lxc-clone [-s ] [-K ] [-M ] [-H ] [-B backingstore] [-L fssize] [-p lxcpath] [-P
                 newlxcpath] {-o orig} {-n new} [-- hook arguments]
       lxc-clone [-s ] [-K ] [-M ] [-H ] [-B backingstore] [-L fssize] [-p lxcpath] [-P
                 newlxcpath] {orig} {new} [-- hook arguments]

       lxc-clone Creates a new container as a clone of an existing container. Two types of clones
       are supported: copy and snapshot. A copy clone copies the root filessytem from the  origi‐
       nal  container  to  the new. A snapshot filesystem uses the backing store's snapshot func‐
       tionality to create a very small copy-on-write snapshot of the original  container.  Snap‐
       shot  clones  require  the  new container backing store to support snapshotting. Currently
       this includes only aufs, btrfs, lvm, overlayfs and zfs. LVM devices do not  support  snap‐
       shots of snapshots.

       The  backing  store  of the new container will be the same type as the original container,
       with one exception, overlay containers.  aufs and overlayfs snapshots can  be  created  of
       directory  backed  containers. This can be requested by using (for overlayfs) the -B over‐
       layfs arguments.

       The names of the original and new container can be given (in that  order)  after  all  op‐
       tions, or can be specified with the -o and -n options, respectively.

       -s, --snapshot
              The new container's rootfs should be a LVM or btrfs snapshot of the original.

       -K, --keepname
              Do not change the hostname of the container (in the root filesystem).

       -M, --keepmac
              Use  the  same  MAC address as the original container, rather than generating a new
              random one.

       -H, --copyhooks
              Copy all mount hooks into the new container's directory, and  update  any  lxcpaths
              and container names as needed.

       -L, --fssize fssize
              In the case of a block device backed container, a size for the new block device. By
              default, the new device will be made the same size as the original.

       -p, --lxcpath lxcpath
              The lxcpath of the original container. By default, the system wide  configured  lx‐
              cpath will be used.

       -P, --newpath newlxcpath
              The lxcpath for the new container. By default the same lxcpath as the original will
              be used. Note that with btrfs snapshots, changing lxcpaths may not be possible,  as
              subvolume snapshots must be in the same btrfs filesystem.

       -B, --backingstore backingstore
              Select  a different backing store for the new container. By default the same as the
              original container's is used. Note that currently changing the backingstore is only
              supported  for  aufs  and overlayfs snapshots of directory backed containers. Valid
              backing stores include dir (directory), aufs, btrfs, lvm, zfs, loop and overlayfs.

       -o, --orig orig
              The name of the original container to clone.

       -n, --new new
              The name of the new container to create.

       If the container being cloned has one or more lxc.hook.clone specified, then the specified
       hooks will be called for the new container. The first 3 arguments passed to the clone hook
       will be the container name, a section ('lxc'), and the hook type  ('clone').  Extra  argu‐
       ments  passed  lxc-clone  will  be  passed to the hook program starting at argument 4. The
       LXC_ROOTFS_MOUNT environment variable gives the path  under  which  the  container's  root
       filesystem  is  mounted. The configuration file pathname is stored in LXC_CONFIG_FILE, the
       new container name in LXC_NAME, the old container name in LXC_SRC_NAME, and  the  path  or
       device on which the rootfs is located is in LXC_ROOTFS_PATH.

       lxc(7), lxc-create(1), lxc-destroy(1), lxc-start(1), lxc-stop(1), lxc-execute(1), lxc-con‐
       sole(1),  lxc-monitor(1),  lxc-wait(1),  lxc-cgroup(1),   lxc-ls(1),   lxc-info(1),   lxc-
       freeze(1), lxc-unfreeze(1), lxc-attach(1), lxc.conf(5)

       Serge Hallyn <serge.hallyn AT ubuntu.com>

                                   Sat Apr 29 06:45:43 UTC 2017                      lxc-clone(1)

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