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2 | ||
3 | lxc: linux Container library | |
4 | ||
5 | (C) Copyright IBM Corp. 2007, 2008 | |
6 | ||
7 | Authors: | |
8 | Daniel Lezcano <dlezcano at fr.ibm.com> | |
9 | ||
10 | This library is free software; you can redistribute it and/or | |
11 | modify it under the terms of the GNU Lesser General Public | |
12 | License as published by the Free Software Foundation; either | |
13 | version 2.1 of the License, or (at your option) any later version. | |
14 | ||
15 | This library is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public | |
21 | License along with this library; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | ||
24 | --> | |
25 | ||
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26 | <!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN" [ |
27 | ||
10fba81b | 28 | <!ENTITY commonoptions SYSTEM "@builddir@/common_options.sgml"> |
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29 | <!ENTITY seealso SYSTEM "@builddir@/see_also.sgml"> |
30 | ]> | |
d823d5b9 | 31 | |
32 | <refentry> | |
33 | ||
34 | <docinfo><date>@LXC_GENERATE_DATE@</date></docinfo> | |
35 | ||
36 | <refmeta> | |
37 | <refentrytitle>lxc-create</refentrytitle> | |
38 | <manvolnum>1</manvolnum> | |
39 | </refmeta> | |
40 | ||
41 | <refnamediv> | |
42 | <refname>lxc-create</refname> | |
43 | ||
44 | <refpurpose> | |
45 | creates a container | |
46 | </refpurpose> | |
47 | </refnamediv> | |
48 | ||
49 | <refsynopsisdiv> | |
50 | <cmdsynopsis> | |
51 | <command>lxc-create <replaceable>-n name</replaceable> | |
f079d569 | 52 | <optional>-f config_file</optional> |
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53 | <optional>-t template</optional> |
54 | <optional>-B backingstore</optional> | |
55 | <optional>-- template-options</optional> | |
56 | </command> | |
d823d5b9 | 57 | </cmdsynopsis> |
58 | </refsynopsisdiv> | |
59 | ||
60 | <refsect1> | |
61 | <title>Description</title> | |
62 | ||
63 | <para> | |
64 | <command>lxc-create</command> creates a system object where is | |
6a22713f DL |
65 | stored the configuration informations and where can be stored |
66 | user information. The identifier <replaceable>name</replaceable> | |
67 | is used to specify the container to be used with the different | |
68 | lxc commands. | |
d823d5b9 | 69 | </para> |
becc0400 | 70 | <para> |
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71 | The object is a directory created in <filename>@LXCPATH@</filename> |
72 | and identified by its name. | |
becc0400 | 73 | </para> |
d823d5b9 | 74 | |
75 | <para> | |
becc0400 | 76 | The object is the definition of the different resources an |
d823d5b9 | 77 | application can use or can see. The more the configuration file |
78 | contains informations, the more the container is isolated and | |
79 | the more the application is jailed. | |
80 | </para> | |
81 | ||
82 | <para> | |
83 | If the configuration file <replaceable>config_file</replaceable> | |
84 | is not specified, the container will be created with the default | |
85 | isolation: processes, sysv ipc and mount points. | |
86 | </para> | |
87 | </refsect1> | |
88 | ||
89 | <refsect1> | |
90 | <title>Options</title> | |
91 | <variablelist> | |
92 | ||
d823d5b9 | 93 | <varlistentry> |
94 | <term> | |
95 | <option>-f <replaceable>config_file</replaceable></option> | |
96 | </term> | |
97 | <listitem> | |
98 | <para> | |
99 | Specify the configuration file to configure the virtualization | |
100 | and isolation functionalities for the container. | |
101 | </para> | |
102 | </listitem> | |
103 | </varlistentry> | |
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104 | |
105 | <varlistentry> | |
106 | <term> | |
107 | <option>-t <replaceable>template</replaceable></option> | |
108 | </term> | |
109 | <listitem> | |
110 | <para> | |
111 | 'template' is the short name of an existing 'lxc-template' | |
4d67c130 | 112 | script that is called by lxc-create, |
e2b4064f | 113 | eg. busybox, debian, fedora, ubuntu or sshd. |
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114 | Refer to the examples in <filename>@LXCTEMPLATEDIR@</filename> |
115 | for details of the expected script structure. | |
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116 | </para> |
117 | </listitem> | |
118 | </varlistentry> | |
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119 | |
120 | <varlistentry> | |
121 | <term> | |
122 | <option>-B <replaceable>backingstore</replaceable></option> | |
123 | </term> | |
124 | <listitem> | |
125 | <para> | |
126 | 'backingstore' is one of 'none', 'lvm', or 'btrfs'. The | |
127 | default is 'none', meaning that the container root filesystem | |
128 | will be a directory under <filename>@LXCPATH@/container/rootfs</filename>. | |
129 | The option 'btrfs' need not be specified as it will be used | |
130 | automatically if the <filename>@LXCPATH@</filename> filesystem is found to | |
131 | be btrfs. If backingstore is 'lvm', then an lvm block device will be | |
132 | used and the following further options are available: | |
133 | <replaceable>--lvname lvname1</replaceable> will create an LV | |
134 | named <filename>lvname1</filename> rather than the default, which | |
135 | is the container name. <replaceable>--vgname vgname1</replaceable> | |
136 | will create the LV in volume group <filename>vgname1</filename> | |
137 | rather than the default, <filename>lxc</filename>. | |
138 | <replaceable>--fstype FSTYPE</replaceable> will create an FSTYPE | |
139 | filesystem on the LV, rather than the default, which is ext4. | |
140 | <replaceable>--fssize SIZE</replaceable> will create a LV (and | |
141 | filesystem) of size SIZE rather than the default, which is 1G. | |
142 | </para> | |
143 | </listitem> | |
144 | ||
145 | <varlistentry> | |
146 | <term> | |
147 | <option>-- <replaceable>template-options</replaceable></option> | |
148 | </term> | |
149 | <listitem> | |
150 | <para> | |
151 | This will pass <replaceable>template-options</replaceable> to the | |
152 | template as arguments. To see the list of options supported by | |
153 | the template, you can run | |
154 | <command>lxc-create -t TEMPLATE -h</command>. | |
155 | </para> | |
156 | </listitem> | |
157 | </varlistentry> | |
d823d5b9 | 158 | |
159 | </variablelist> | |
160 | ||
161 | </refsect1> | |
162 | ||
163 | <refsect1> | |
164 | <title>Diagnostic</title> | |
165 | ||
166 | <variablelist> | |
167 | ||
168 | <varlistentry> | |
169 | <term>The container already exists</term> | |
170 | <listitem> | |
171 | <para> | |
172 | As the message mention it, you try to create a container | |
173 | but there is a container with the same name. You can use | |
174 | the <command>lxc-ls -l</command> command to list the | |
175 | available containers on the system. | |
176 | </para> | |
177 | </listitem> | |
178 | </varlistentry> | |
179 | ||
180 | </variablelist> | |
181 | ||
182 | </refsect1> | |
183 | ||
99e4008c | 184 | &seealso; |
d823d5b9 | 185 | |
186 | <refsect1> | |
187 | <title>Author</title> | |
188 | <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para> | |
189 | </refsect1> | |
190 | ||
191 | </refentry> | |
192 | ||
193 | <!-- Keep this comment at the end of the file | |
194 | Local variables: | |
195 | mode: sgml | |
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197 | sgml-shorttag:t | |
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207 | End: | |
208 | --> |