unshare man page on Scientific

unshare man page on Scientific

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UNSHARE(1)			 User Manuals			    UNSHARE(1)

NAME
       unshare - run program with some namespaces unshared from parent

SYNOPSIS
       unshare [options] program [arguments]

DESCRIPTION
       Unshares	 specified  namespaces	from  parent process and then executes
       specified program. Unshareable namespaces are:

       mount namespace
	      mounting and unmounting filesystems will not affect rest of  the
	      system (CLONE_NEWNS flag),

       UTS namespace
	      setting  hostname, domainname will not affect rest of the system
	      (CLONE_NEWUTS flag),

       IPC namespace
	      process will have indpendent  namespace  for  System  V  message
	      queues,  semaphore sets and shared memory segments (CLONE_NEWIPC
	      flag),

       network namespace
	      process will have independent IPv4 and IPv6 stacks,  IP  routing
	      tables,  firewall rules, the /proc/net and /sys/class/net direc‐
	      tory trees, sockets etc. (CLONE_NEWNET flag).

       See the clone(2) for exact semantics of the flags.

OPTIONS
       -h, --help
	      Print a help message,

       -m, --mount
	      Unshare the mount namespace,

       -u, --uts
	      Unshare the UTC namespace,

       -i, --ipc
	      Unshare the IPC namespace,

       -n, --net
	      Unshare the network namespace.

SEE ALSO
       unshare(2), clone(2)

BUGS
       None known so far.

AUTHOR
       Mikhail Gusarov <dottedmag@dottedmag.net>

AVAILABILITY
       The unshare command is part of the util-linux-ng package and is	avail‐
       able from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.

Linux				 OCTOBER 2008			    UNSHARE(1)

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