2015-02-02 17:34:26 +00:00
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.Dd February 2, 2015
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.Dt UNSHARE 1
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.Os ubase
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.Sh NAME
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.Nm unshare
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.Nd run program with some namespaces unshared from parent
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.Sh SYNOPSIS
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.Nm
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.Op Fl muinpU
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.Ar cmd
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.Op Ar args...
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.Sh DESCRIPTION
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.Nm
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unshares the indicated namespaces from the parent process and then executes
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the specified program. The namespaces to be unshared are indicated via
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options.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl i
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Unshare the System V IPC namespace, so that the calling process has a
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private copy of the System V IPC namespace which is not shared with
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any other process. This flag has the same effect as the
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.Xr clone 2
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.Dv CLONE_NEWIPC
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flag.
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.It Fl m
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2014-04-12 17:13:34 +00:00
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Unshare the mount namespace, so that the calling process has a private
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copy of its namespace which is not shared with any other process.
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2015-02-02 17:34:26 +00:00
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This flag has the same effect as the
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.Xr clone 2
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.Dv CLONE_NEWNS
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2014-04-14 08:27:20 +00:00
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flag.
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2015-02-02 17:34:26 +00:00
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.It Fl n
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2014-04-12 17:13:34 +00:00
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Unshare the network namespace, so that the calling process is moved
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into a new network namespace which is not shared with any previously
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2015-02-02 17:34:26 +00:00
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existing process. This flag has the same effect as the
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.Xr clone 2
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.Dv CLONE_NEWNET
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flag.
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.It Fl u
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Unshare the UTS IPC namespace, so that the calling process has a
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private copy of the UTS namespace which is not shared with any other
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process. This flag has the same effect as the
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.Xr clone 2
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.Dv CLONE_NEWUTS
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flag.
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.It Fl p
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2014-04-13 21:13:58 +00:00
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Create the process in a new PID namespace. This flag has the same
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2015-02-02 17:34:26 +00:00
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effect as the
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.Xr clone 2
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.Dv CLONE_NEWPID
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flag.
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.It Fl U
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2014-04-12 17:13:34 +00:00
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The process will have a distinct set of UIDs, GIDs and capabilities.
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2015-02-02 17:34:26 +00:00
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.El
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.Sh SEE ALSO
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.Xr clone 2 ,
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.Xr unshare 2
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