.. Open Infrastructure: compute-tools

.. Copyright (C) 2014-2025 Daniel Baumann <daniel.baumann@open-infrastructure.net>
..
.. SPDX-License-Identifier: GPL-3.0+
..
.. This program is free software: you can redistribute it and/or modify
.. it under the terms of the GNU General Public License as published by
.. the Free Software Foundation, either version 3 of the License, or
.. (at your option) any later version.
..
.. This program is distributed in the hope that it will be useful,
.. but WITHOUT ANY WARRANTY; without even the implied warranty of
.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.. GNU General Public License for more details.
..
.. You should have received a copy of the GNU General Public License
.. along with this program.  If not, see <https://www.gnu.org/licenses/>.

================
container-update
================

--------------------------------------------
Update the packages installed in a container
--------------------------------------------

:manual section: 1
:manual group: Open Infrastructure

Synopsis
========

| **container update** ['OPTIONS']
| **cnt u** ['OPTIONS']

Description
===========

The **container update** command updates packages installed in a container.

Options
=======

The following **container update** options are available:

-n, --name='NAME':
  Specify container name. Specifying 'ALL' will start all stopped container.

-f, --full-upgrade:
  Runs an additional 'apt full-upgrade' after 'apt upgrade'.

-i, --interactive:
  Prompt before every container update.

-r, --autoremove:
  Runs an additional 'apt autoremove' after 'apt upgrade'.

-p, --purge:
  Passing '--purge' to 'apt autoremove'.

-y|--yes:
  Passing 'yes' to all questions asked by the package manager.

Examples
========

Update example.net container (apt update && apt upgrade):

  sudo container update -n example.net

Update example.net container without asking questions (apt update && apt --yes
upgrade):

  sudo container update -n example.net -y

Full update of example.net container without asking questions (apt update &&
apt --yes upgrade && apt --yes full-upgrade):

  sudo container update -n example.net -f -y

Full update of all container on the host, with asking questions and
purging unused packages (apt update && apt upgrade && apt full-upgrade && apt
autoremove):

  sudo container update -n ALL -f -r -p -y

See also
========

| compute-tools(7),
| container(1).

Homepage
========

More information about compute-tools and the Open Infrastructure project can be
found on the homepage (https://open-infrastructure.net).

Contact
=======

Bug reports, feature requests, help, patches, support and everything else are
welcome on the Open Infrastructure Software Mailing List
<software@lists.open-infrastructure.net>.

Debian specific bugs can also be reported in the Debian Bug Tracking System
(https://bugs.debian.org).

Authors
=======

compute-tools were written by Daniel Baumann
<daniel.baumann@open-infrastructure.net> and others.
