63 lines
1.3 KiB
Groff
63 lines
1.3 KiB
Groff
.\"
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.\"----------------------------------------------------------------------------
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.\""THE BEER-WARE LICENSE" (Revision 42):
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.\"<phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
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.\"can do whatever you want with this stuff. If we meet some day, and you think
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.\"this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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.\"----------------------------------------------------------------------------
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.\"
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.\"$FreeBSD$
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.\"
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.\"
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.Dd April 28, 1999
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.Dt JAIL 8
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.Os FreeBSD 4.0
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.Sh NAME
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.Nm jail
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.Nd imprison process and its descendants
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.Sh SYNOPSIS
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.Nm jail
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.Ar path
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.Ar hostname
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.Ar ip-number
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.Ar command
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.Ar ...
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.Sh DESCRIPTION
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The
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.Nm
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command imprisons a process and all future decendants.
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.Pp
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Please see the
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.Xr jail 2
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man page for further details.
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.Sh EXAMPLES
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This shows how to setup a jail directory tree:
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.Bd -literal
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D=/here/is/the/jail
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cd /usr/src
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make hierarchy DESTDIR=$D
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make obj
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make all
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make install DESTDIR=$D
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cd etc
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make distribution DESTDIR=$D
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cd $D/dev
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sh MAKEDEV jail
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cd $D
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ln -sf dev/null kernel
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echo "proc $D/proc procfs rw 0 0" >> /etc/fstab
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.Ed
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.Sh SEE ALSO
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.Xr chroot 2 ,
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.Xr jail 2
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.Sh HISTORY
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The
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.Fn jail
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function call appeared in
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.Fx 4.0 .
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.Pp
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The jail feature was written by Poul-Henning Kamp for
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R&D Associates
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.Dq Li http://www.rndassociates.com/
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who contributed it to FreeBSD.
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