xref: /freebsd/usr.sbin/jls/jls.8 (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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26.Dd July 20, 2012
27.Dt JLS 8
28.Os
29.Sh NAME
30.Nm jls
31.Nd "list jails"
32.Sh SYNOPSIS
33.Nm
34.Op Fl -libxo
35.Op Fl dhNnqsv
36.Op Fl j Ar jail
37.Op Ar parameter ...
38.Sh DESCRIPTION
39The
40.Nm
41utility lists all active jails, or the specified jail.
42Each jail is represented by one row which contains space-separated values of
43the listed
44.Ar parameters ,
45including the pseudo-parameter
46.Va all
47which will show all available jail parameters.
48A list of available parameters can be retrieved via
49.Dq Nm sysctl Fl d Va security.jail.param .
50See
51.Xr jail 8
52for a description of some core parameters.
53.Pp
54If no
55.Ar parameters
56or any of the options
57.Fl hns
58are given, the following four columns will be printed:
59jail identifier (jid), IP address (ip4.addr), hostname (host.hostname),
60and path (path).
61.Pp
62The following options are available:
63.Bl -tag -width indent
64.It Fl -libxo
65Generate output via
66.Xr libxo 3
67in a selection of different human and machine readable formats.
68See
69.Xr xo_parse_args 3
70for details on command line arguments.
71.It Fl d
72List
73.Va dying
74as well as active jails.
75.It Fl h
76Print a header line containing the parameters listed.
77If no parameters are given on the command line,
78.Va all
79is assumed.
80.It Fl N
81In the standard display mode, print each jail's name instead of its
82numeric ID.
83If the jail does not have a name, the numeric ID is printed instead.
84.It Fl n
85Print parameters in
86.Dq name=value
87format, where each parameter is preceded by its name.
88If no parameters are given on the command line,
89.Va all
90is assumed.
91.It Fl q
92Put quotes around parameters if they contain spaces or quotes, or are
93the empty string.
94.It Fl s
95Print parameters suitable for passing to
96.Xr jail 8 ,
97skipping read-only and unused parameters.
98Implies
99.Fl nq .
100.It Fl v
101Extend the standard display with a multiple-line summary per jail,
102containing the following parameters:
103jail identifier (jid), hostname (host.hostname), path (path),
104jail name (name), jail state (dying), cpuset ID (cpuset),
105IP address(es) (ip4.addr and ip6.addr).
106.It Fl j Ar jail
107The jid or name of the
108.Ar jail
109to list.
110Without this option, all active jails will be listed.
111.El
112.Sh SEE ALSO
113.Xr jail_get 2 ,
114.Xr libxo 3 ,
115.Xr xo_parse_args 3 ,
116.Xr jail 8 ,
117.Xr jexec 8
118.Sh HISTORY
119The
120.Nm
121utility was added in
122.Fx 5.1 .
123Extensible jail parameters were introduced in
124.Fx 8.0 .
125libxo support was added in
126.Fx 11.0 .
127