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lxc-unshare(1)							lxc-unshare(1)

NAME
       lxc-unshare - Run a task in a new set of namespaces.

SYNOPSIS
       lxc-clone {-s namespaces} {-u user} {command}

DESCRIPTION
       lxc-unshare  can	 be  used to run a task in a cloned set of namespaces.
       This command is mainly provided	for  testing  purposes.	  Despite  its
       name,  it  always uses clone rather than unshare to create the new task
       with fresh namespaces.  Apart  from  testing  kernel  regressions  this
       should make no difference.

OPTIONS
       -s namespaces
	      Specify  the  namespaces to attach to, as a pipe-separated list,
	      e.g. NETWORK|IPC. Allowed values are MOUNT, PID,	UTSNAME,  IPC,
	      USER  and	 NETWORK. This allows one to change the context of the
	      process to e.g. the network namespace of the container while re‐
	      taining the other namespaces as those of the host.

       -u user
	      Specify  a user which the new task should become. This option is
	      only valid if a user namespace is unshared.

EXAMPLES
       To spawn a new shell with its own UTS (hostname) namespace,

		 lxc-clone -s UTSNAME /bin/bash

       If the hostname is changed in that shell, the change will  not  be  re‐
       flected on the host.

       To spawn a shell in a new network, pid, and mount namespace,

		 lxc-clone -s "NETWORK|PID|MOUNT" /bin/bash

       The resulting shell will have pid 1 and will see no network interfaces.
       After re-mounting /proc in that shell,

		 mount -t proc proc /proc

       ps output will show there are no other processes in the namespace.

SEE ALSO
       lxc(1), lxc-create(1), lxc-destroy(1), lxc-start(1), lxc-stop(1),  lxc-
       execute(1),  lxc-kill(1),  lxc-console(1), lxc-monitor(1), lxc-wait(1),
       lxc-cgroup(1), lxc-ls(1), lxc-ps(1), lxc-info(1),  lxc-freeze(1),  lxc-
       unfreeze(1), lxc-attach(1), lxc.conf(5)

AUTHOR
       Daniel Lezcano <daniel.lezcano@free.fr>

			  Tue Jul 9 14:17:14 CDT 2013		lxc-unshare(1)

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