xref: /freebsd/usr.sbin/jls/jls.8 (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
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2.\" Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
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26.\" $FreeBSD$
27.\"
28.Dd July 20, 2012
29.Dt JLS 8
30.Os
31.Sh NAME
32.Nm jls
33.Nd "list jails"
34.Sh SYNOPSIS
35.Nm
36.Op Fl -libxo
37.Op Fl dhNnqsv
38.Op Fl j Ar jail
39.Op Ar parameter ...
40.Sh DESCRIPTION
41The
42.Nm
43utility lists all active jails, or the specified jail.
44Each jail is represented by one row which contains space-separated values of
45the listed
46.Ar parameters ,
47including the pseudo-parameter
48.Va all
49which will show all available jail parameters.
50A list of available parameters can be retrieved via
51.Dq Nm sysctl Fl d Va security.jail.param .
52See
53.Xr jail 8
54for a description of some core parameters.
55.Pp
56If no
57.Ar parameters
58or any of the options
59.Fl hns
60are given, the following four columns will be printed:
61jail identifier (jid), IP address (ip4.addr), hostname (host.hostname),
62and path (path).
63.Pp
64The following options are available:
65.Bl -tag -width indent
66.It Fl -libxo
67Generate output via
68.Xr libxo 3
69in a selection of different human and machine readable formats.
70See
71.Xr xo_parse_args 3
72for details on command line arguments.
73.It Fl d
74List
75.Va dying
76as well as active jails.
77.It Fl h
78Print a header line containing the parameters listed.
79If no parameters are given on the command line,
80.Va all
81is assumed.
82.It Fl N
83In the standard display mode, print each jail's name instead of its
84numeric ID.
85If the jail does not have a name, the numeric ID is printed instead.
86.It Fl n
87Print parameters in
88.Dq name=value
89format, where each parameter is preceded by its name.
90If no parameters are given on the command line,
91.Va all
92is assumed.
93.It Fl q
94Put quotes around parameters if they contain spaces or quotes, or are
95the empty string.
96.It Fl s
97Print parameters suitable for passing to
98.Xr jail 8 ,
99skipping read-only and unused parameters.
100Implies
101.Fl nq .
102.It Fl v
103Extend the standard display with a multiple-line summary per jail,
104containing the following parameters:
105jail identifier (jid), hostname (host.hostname), path (path),
106jail name (name), jail state (dying), cpuset ID (cpuset),
107IP address(es) (ip4.addr and ip6.addr).
108.It Fl j Ar jail
109The jid or name of the
110.Ar jail
111to list.
112Without this option, all active jails will be listed.
113.El
114.Sh SEE ALSO
115.Xr jail_get 2 ,
116.Xr libxo 3 ,
117.Xr xo_parse_args 3 ,
118.Xr jail 8 ,
119.Xr jexec 8
120.Sh HISTORY
121The
122.Nm
123utility was added in
124.Fx 5.1 .
125Extensible jail parameters were introduced in
126.Fx 8.0 .
127libxo support was added in
128.Fx 11.0 .
129