350 lines
12 KiB
XML
350 lines
12 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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Copyright 2011,2013,2014 Colin Walters <walters@verbum.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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-->
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<refentry id="rpm-ostree">
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<refentryinfo>
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<title>rpm-ostree</title>
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<productname>rpm-ostree</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Colin</firstname>
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<surname>Walters</surname>
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<email>walters@redhat.com</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>rpm-ostree</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>rpm-ostree</refname>
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<refpurpose>
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Operating system upgrade and software management tool
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</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>rpm-ostree</command>
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<arg choice="req">COMMAND</arg>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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rpm-ostree (also called "atomic" if configured) is a system
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software management tool that combines features of both
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traditional RPM and OSTree. It has support for both server-side
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composing of trees, as well as client-side upgrading and
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management of deployments.
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</para>
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<para>
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On an rpm-ostree managed system, the traditional
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<literal>yum</literal> (if installed) and <literal>rpm</literal>
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tools operate in a read-only state; the RPM database is stored
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in <literal>/usr/share/rpm</literal> which is underneath a
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read-only bind mount.
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</para>
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<para>
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Instead of live package-by-package upgrades, the underlying
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OSTree layer replicates a complete filesystem tree from a
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compose server into a new deployment, available on the next
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reboot. One benefit of this is that there will always be a
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previous deployment, available for rollback.
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</para>
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<para>
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Note in this "pure replication" model, at present there is no
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dependency resolution on the client machines, nor any ability to
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add or remove packages. You may however use /usr/local/bin, or
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an application mechanism such as
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<citerefentry>
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<refentrytitle>docker</refentrytitle>
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<manvolnum>1</manvolnum>
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</citerefentry>.
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</para>
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</refsect1>
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<refsect1>
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<title>Commands</title>
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<variablelist>
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<varlistentry>
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<term><command>compose</command></term>
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<listitem>
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<para>
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Entrypoint for tree composition; most typically used on
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servers to prepare trees for replication by client systems.
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Currently has two subcommands, <literal>tree</literal> and
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<literal>sign</literal>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>db</command></term>
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<listitem>
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<para>
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Gives information pertaining to <literal>rpm</literal> data
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within the file system trees within the ostree commits.
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There are three sub-commands:
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</para>
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<para>
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<command>diff</command> to see how the packages are
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different between the trees in two commits. The
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<option>--format=diff</option> option uses
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<literal>-</literal> for removed packages,
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<literal>+</literal> for added packages, and finally
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<literal>!</literal> for the old version of an updated
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package, with a following <literal>=</literal> for the new
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version.
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</para>
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<para>
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<command>list</command> to see which packages are within the
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commit(s) (works like yum list). At least one commit must be
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specified, but more than one or a range will also work.
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</para>
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<para>
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<command>version</command> to see the rpmdb version of the
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packages within the commit (works like yum version
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nogroups). At least one commit must be specified, but more
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than one or a range will also work.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>deploy</command></term>
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<listitem>
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<para>
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Takes version, branch, or commit ID as an argument, and
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creates a new deployment using it, setting it up as the
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default for the next boot. Unlike most other commands, this
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will automatically fetch and traverse the origin history to
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find the target. By design, this has no effect on your
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running filesystem tree. You must reboot for any changes to
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take effect.
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</para>
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<para>
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In addition to exit status 0 for success and 1 for error,
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this command also uses exit status 77 to indicate that the
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system is already on the specified commit. This tristate
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return model is intended to support idempotency-oriented
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systems automation tools like Ansible.
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</para>
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<para>
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<command>--reboot</command> or <command>-r</command> to
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initiate a reboot after the upgrade is prepared.
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</para>
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<para>
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<command>--preview</command> download enough metadata to
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inspect the RPM diff, but do not actually create a new
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deployment.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>pkg-add</command></term>
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<listitem>
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<para>
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Takes one or more packages as arguments. The packages are
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fetched from the enabled repositories in
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<filename>/etc/yum.repos.d/</filename> and are overlayed on
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top of a new deployment.
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</para>
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<para>
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<command>--reboot</command> or <command>-r</command> to
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initiate a reboot after the deployment is prepared.
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</para>
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<para>
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<command>--dry-run</command> or <command>-n</command> to
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exit after printing the transaction rather than downloading
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the packages and creating a new deployment.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>pkg-delete</command></term>
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<listitem>
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<para>
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Takes one or more packages as arguments. The packages are
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removed from the set of packages that are currently
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overlayed. The remaining packages in the set (if any) are
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fetched from the enabled repositories in
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<filename>/etc/yum.repos.d/</filename> and are overlayed on
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top of a new deployment.
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</para>
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<para>
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<command>--reboot</command> or <command>-r</command> to
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initiate a reboot after the deployment is prepared.
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</para>
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<para>
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<command>--dry-run</command> or <command>-n</command> to
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exit after printing the transaction rather than downloading
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the packages and creating a new deployment.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>rebase</command></term>
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<listitem>
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<para>
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Switch to a different remote, or a different tree, while
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preserving local state in <literal>/var</literal> and
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configuration in <literal>/etc</literal>. This is an
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extension of <literal>upgrade</literal> which switches to
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a newer version of the current tree.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>rollback</command></term>
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<listitem>
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<para>
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OSTree manages an ordered list of bootloader entries, called
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"deployments". The entry at index 0 is the default
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bootloader entry. Each entry has a separate
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<filename>/etc</filename>, but they all share a single
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<filename>/var</filename>. You can use the bootloader to
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choose between entries by pressing Tab to interrupt
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startup.
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</para>
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<para>
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This command then changes the default bootloader entry. If
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the current default is booted, then set the default to the
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previous entry. Otherwise, make the currently booted tree
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the default.
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</para>
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<para>
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<command>--reboot</command> or <command>-r</command> to
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initiate a reboot after rollback is prepared.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>status</command></term>
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<listitem>
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<para>
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Gives information pertaining to the current deployment in
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use. Lists the names and refspecs of all possible
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deployments in order, such that the first deployment in the
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list is the default upon boot. The deployment marked with *
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is the current booted deployment, and marking with 'r'
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indicates the most recent upgrade (the newest deployment
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version).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>upgrade</command></term>
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<listitem>
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<para>
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Download the latest version of the current tree, and deploy
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it, setting it up as the default for the next boot. By
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design, this has no effect on your running filesystem tree.
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You must reboot for any changes to take effect.
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</para>
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<para>
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In addition to exit status 0 for success and 1 for error,
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this command also uses exit status 77 to indicate that no
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upgrade is available.
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</para>
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<para>
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<command>--reboot</command> or <command>-r</command> to
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initiate a reboot after upgrade is prepared.
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</para>
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<para>
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<command>--allow-downgrade</command> to permit deployment of
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chronologically older trees.
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</para>
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<para>
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<option>--preview</option> to download only /usr/share/rpm
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in order to do a package-level diff between the two
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versions.
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</para>
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<para>
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<option>--check</option> to just check if an upgrade is
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available, without downloading it or performing a
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package-level diff.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>ostree</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>rpm</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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