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136 lines
5.5 KiB
Markdown
136 lines
5.5 KiB
Markdown
---
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layout: doc
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title: Upgrading the Debian 8 Template to Debian 9
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permalink: /doc/template/debian/upgrade-8-to-9/
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redirect_from:
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- /doc/debian-template-upgrade-8/
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- /en/doc/debian-template-upgrade-8/
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- /doc/DebianTemplateUpgrade8/
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- /wiki/DebianTemplateUpgrade8/
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---
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Upgrading the Debian 8 Template
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===============================
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Please note that if you installed packages from one of the testing repositories you must make sure that the repository is enabled in `/etc/apt/sources.list.d/qubes-r3.list` before attempting the upgrade.
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Otherwise, your upgrade will [break](https://github.com/QubesOS/qubes-issues/issues/2418).
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Summary: Upgrading a Debian 8 Template to Debian 9
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--------------------------------------------------
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[user@dom0 ~]$ qvm-clone debian-8 debian-9
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[user@dom0 ~]$ qvm-run -a debian-9 gnome-terminal
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[user@debian-9 ~]$ sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list
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[user@debian-9 ~]$ sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list.d/qubes-r3.list
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[user@debian-9 ~]$ sudo apt-get update && sudo apt-get dist-upgrade -y
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[user@debian-9 ~]$ sudo apt-get autoremove
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(Shut down TemplateVM by any normal means.)
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[user@dom0 ~]$ qvm-trim-template debian-9
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(Done.)
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Detailed: Upgrading the Standard Debian 8 Template to Debian 9
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--------------------------------------------------------------
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These instructions will show you how to upgrade the standard Debian 8
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TemplateVM to Debian 9. The same general procedure may be used to upgrade
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any template based on the standard Debian 8 template.
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1. Ensure the existing template is not running.
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[user@dom0 ~]$ qvm-shutdown debian-8
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2. Clone the existing template and start a terminal in the new template.
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[user@dom0 ~]$ qvm-clone debian-8 debian-9
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[user@dom0 ~]$ qvm-run -a debian-9 gnome-terminal
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3. Update your apt repositories to use stretch instead of jessie
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(This can be done manually with a text editor, but sed can be used to
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automatically update the files.)
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[user@debian-9 ~]$ sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list
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[user@debian-9 ~]$ sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list.d/qubes-r3.list
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4. Update the package lists and upgrade to Debian 9. During the process,
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it will likely prompt to overwrite two files, qubes-r3.list and
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pulse/client.conf. qubes-r3.list can be overwritten, while pulse/client.conf
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need to left as the currently installed version.
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[user@debian-9 ~]$ sudo apt-get update && sudo apt-get dist-upgrade -y
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5. Remove unnecessary packages that were previously installed
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[user@debian-9 ~]$ sudo apt-get autoremove
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6. Shutdown the new TemplateVM via dom0 command line or Qubes VM Manager;
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[user@dom0 ~]$ qvm-shutdown debian-9
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7. Trim the new template (see **Compacting the Upgraded Template** for details
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and other options).
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[user@dom0 ~]$ qvm-trim-template debian-9
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8. (Recommended) [Switch everything that was set to the old template to the new
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template.](/doc/templates/#how-to-switch-templates)
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9. (Optional) Remove the old default template.
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[user@dom0 ~]$ sudo yum remove qubes-template-debian-8
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Compacting the Upgraded Template
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--------------------------------
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Neither `fstrim` nor the `discard` mount option works on the TemplateVM's root
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filesystem, so when a file is removed in the template, space is not freed in
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dom0. This means that the template will use about twice as much space as is
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really necessary after upgrading.
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If you have at least `qubes-core-dom0-2.1.68` installed or are on Qubes R3.0,
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you can use the `qvm-trim-template` tool:
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[user@dom0 ~]$ qvm-trim-template debian-9
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If you do not have `qubes-core-dom0-2.1.68` or are on older Qubes version, you can
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compact the `root.img` manually. To do this, you will need about 15GB (the
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TemplateVM's max size + the actually used space there) free space in dom0.
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1. Start the template and fill all the free space with zeros, for example
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with:
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[user@debian-9 ~]$ dd if=/dev/zero of=/var/tmp/zero
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2. Wait for the "No space left on device" error. Then:
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[user@debian-9 ~]$ rm -f /var/tmp/zero
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3. Shut down the template and all VMs based on it. Then:
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[user@dom0 ~]$ cd /var/lib/qubes/vm-templates/debian-9
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[user@dom0 ~]$ cp --sparse=always root.img root.img.new
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[user@dom0 ~]$ mv root.img.new root.img
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Additional Information
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----------------------
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Debian Stretch packages were first made available in the Qubes R3.1 repositories.
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If sound is not working, you may need to enable the Qubes testing repository to get the testing version of qubes-gui-agent.
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This can be done by editing the /etc/apt/sources.list.d/qubes-r3.list file and uncommenting the Qubes Updates Candidates repo.
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User-initiated updates/upgrades may not run when a templateVM first starts.
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This is due to a new Debian config setting that attempts to update automatically; it should be disabled with:
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`sudo systemctl disable apt-daily.{service,timer}`.
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Relevant Discussions
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--------------------
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* [Stretch Template Installation](https://groups.google.com/forum/#!topicsearchin/qubes-devel/debian$20stretch/qubes-devel/4rdayBF_UTc)
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* [Stretch availability in 3.2](https://groups.google.com/forum/#!topicsearchin/qubes-devel/debian$20stretch/qubes-devel/cekPfBqQMOI)
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* [Fixing sound in Debian Stretch](https://groups.google.com/forum/#!topic/qubes-users/JddCE54GFiU)
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* [User apt commands blocked on startup](https://github.com/QubesOS/qubes-issues/issues/2621)
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