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<refentry>

  <docinfo><date>@LXC_GENERATE_DATE@</date></docinfo>

  <refmeta>
    <refentrytitle>lxc-start-ephemeral</refentrytitle>
    <manvolnum>1</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>lxc-start-ephemeral</refname>

    <refpurpose>
      start an ephemeral copy of an existing container
    </refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>lxc-start-ephemeral</command>
      <arg choice="opt">-o</arg>
      <arg choice="opt">-n</arg>
      <arg choice="opt">-d</arg>
      <arg choice="opt">--bdir</arg>
      <arg choice="opt">--user</arg>
      <arg choice="opt">--key</arg>
      <arg choice="opt">--storage-type</arg>
      <arg choice="opt">--union-type</arg>
      <arg choice="opt">--keep-data</arg>
      <arg choice="opt">COMMAND</arg>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>
    <para>
      <command>lxc-start-ephemeral</command> start an ephemeral copy of an
      existing container.
    </para>
  </refsect1>

  <refsect1>
    <title>Options</title>
    <variablelist>
      <varlistentry>
        <term>
          <option>-o, --orig <replaceable>orig</replaceable></option>
        </term>
        <listitem>
          <para>
            Original container name
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-n, --name <replaceable>name</replaceable></option>
        </term>
        <listitem>
          <para>
            Name of the ephemeral container (defaults to a random suffix).
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-d, --daemon</option>
        </term>
        <listitem>
          <para>
            Start the container in background and print the name and IP.
            This option can't be used if a command is passed.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-b, --bdir <replaceable>bdir</replaceable></option>
        </term>
        <listitem>
          <para>
            Directory to bind mount into container.
            Can be passed multiple times.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-u, --user <replaceable>user</replaceable></option>
        </term>
        <listitem>
          <para>
            The user to connect to the container as.
            Used when passing a command to lxc-start-ephemeral.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-S, --key <replaceable>key</replaceable></option>
        </term>
        <listitem>
          <para>
            Copy the provided SSH public key into the container.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-s, --storage-type <replaceable>storage type</replaceable></option>
        </term>
        <listitem>
          <para>
            Specify the type of storage used by the container. Valid types are tmpfs or dir.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-U, --union-type <replaceable>union type</replaceable></option>
        </term>
        <listitem>
          <para>
            Force a specific union file system.
            Can be one of: overlayfs aufs
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>-k, --keep-data</option>
        </term>
        <listitem>
          <para>
            Use a persistent backend instead of tmpfs.
            With this option, you can lxc-stop and lxc-start the no longer so
            ephemeral container (it's still an overlay, but a persistent one).
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>
          <option>COMMAND</option>
        </term>
        <listitem>
          <para>
            Immediately run the provided command in the container.
            This uses attach if the kernel supports it, otherwise uses ssh.
            This is incompatible with daemon mode.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
    <title>See Also</title>

    <simpara>
      <citerefentry>
        <refentrytitle>lxc-start</refentrytitle>
        <manvolnum>1</manvolnum>
      </citerefentry>,
    </simpara>
  </refsect1>

  <refsect1>
    <title>Examples</title>
    <variablelist>
      <varlistentry>
        <term>lxc-start-ephemeral -o p1</term>
        <listitem>
        <para>
          Simply start an ephemeral container and attach to the console.
          This container will be based on existing container "p1".
        </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>lxc-start-ephemeral -o p1 -n p1-ephemeral -d</term>
        <listitem>
        <para>
          Start an ephemeral container based on p1 called p1-ephemeral and
          print its IP and name to the console instead of attaching.
        </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
    <title>Notes</title>
    <para>
    <command>lxc-start-ephemeral</command> is deprecated in favor of
    <command>lxc-copy</command>.
    </para>
  </refsect1>

  &seealso;

  <refsect1>
    <title>Author</title>
    <para>Stéphane Graber <email>stgraber@ubuntu.com</email></para>
  </refsect1>
</refentry>

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