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)