2016-11-01 19:58:01 -04:00
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---
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layout: doc
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title: Upgrading the Fedora 23 Template
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permalink: /doc/fedora-template-upgrade-23/
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redirect_from:
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- /en/doc/fedora-template-upgrade-23/
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- /doc/FedoraTemplateUpgrade23/
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- /wiki/FedoraTemplateUpgrade23/
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---
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Upgrading the Fedora 23 Template
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================================
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Summary: Upgrading the Standard Fedora 23 Template to Fedora 24
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---------------------------------------------------------------
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[user@dom0 ~]$ qvm-clone fedora-23 fedora-24
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[user@dom0 ~]$ truncate -s 5GB /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-run -a fedora-24 gnome-terminal
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[user@dom0 ~]$ qvm-block -A fedora-24 dom0:/var/tmp/template-upgrade-cache.img
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[user@fedora-24 ~]$ sudo mkfs.ext4 /dev/xvdi
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[user@fedora-24 ~]$ sudo mount /dev/xvdi /mnt/removable
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[user@fedora-24 ~]$ sudo dnf clean all
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[user@fedora-24 ~]$ sudo dnf --releasever=24 --setopt=cachedir=/mnt/removable distro-sync
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(Shut down TemplateVM by any normal means.)
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[user@dom0 ~]$ rm /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-trim-template fedora-24
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(Done.)
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Detailed: Upgrading the Standard Fedora 23 Template to Fedora 24
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----------------------------------------------------------------
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These instructions will show you how to upgrade the standard Fedora 23
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TemplateVM to Fedora 24. The same general procedure may be used to upgrade any
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template based on the standard Fedora 23 template.
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1. Ensure the existing template is not running.
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[user@dom0 ~]$ qvm-shutdown fedora-23
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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 fedora-23 fedora-24
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[user@dom0 ~]$ qvm-run -a fedora-24 gnome-terminal
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2. Attempt the upgrade process in the new template.
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[user@fedora-24 ~]$ sudo dnf clean all
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[user@fedora-24 ~]$ sudo dnf --releasever=24 distro-sync
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3. Shutdown the new TemplateVM via dom0 command line or Qubes VM Manager;
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[user@dom0 ~]$ qvm-shutdown fedora-24
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If you encounter no errors, proceed to step 7.
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4. If `dnf` reports that you do not have enough free disk space to proceed with
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the upgrade process, create an empty file in dom0 to use as a cache and
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attach it to the template as a virtual disk.
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[user@dom0 ~]$ truncate -s 5GB /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-block -A fedora-24 dom0:/var/tmp/template-upgrade-cache.img
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Then reattempt the upgrade process, but this time using the virtual disk as
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a cache.
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[user@fedora-24 ~]$ sudo mkfs.ext4 /dev/xvdi
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[user@fedora-24 ~]$ sudo mount /dev/xvdi /mnt/removable
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[user@fedora-24 ~]$ sudo dnf clean all
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[user@fedora-24 ~]$ sudo dnf --releasever=24 --setopt=cachedir=/mnt/removable distro-sync
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(Poweroff via Qubes VM Manager. May need to be killed.)
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5. `dnf` may complain:
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At least X MB more space needed on the / filesystem.
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In this case, one option is to [resize the TemplateVM's disk
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image](/doc/ResizeDiskImage/) before reattempting the upgrade process.
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(See **Additional Information** below for other options.)
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6. After the upgrade process is finished, remove the cache file, if you
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created one.
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[user@dom0 ~]$ rm /var/tmp/template-upgrade-cache.img
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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 fedora-24
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8. (Optional) Remove the old default template.
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[user@dom0 ~]$ sudo dnf remove qubes-template-fedora-23
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Summary: Upgrading the Minimal Fedora 23 Template to Fedora 24
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--------------------------------------------------------------
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[user@dom0 ~]$ qvm-clone fedora-23-minimal fedora-24-minimal
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[user@dom0 ~]$ qvm-run -a fedora-24-minimal xterm
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[user@fedora-24-minimal ~]$ su -
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[root@fedora-24-minimal ~]# dnf clean all
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[user@fedora-24-minimal ~]# dnf --releasever=24 distro-sync
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(Shut down TemplateVM by any normal means.)
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[user@dom0 ~]$ qvm-trim-template fedora-24-minimal
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(If you encounter insufficient space issues, you may need to use the methods
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described for the standard template above.)
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Differences Between the Standard and Minimal Upgrade Procedures
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---------------------------------------------------------------
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The procedure for upgrading the minimal template (or any template based on the
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minimal template) is the same as the procedure for the standard template above,
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**with the following exceptions**:
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1. `gnome-terminal` is not installed by default. Unless you've installed it
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(or another terminal emulator), use `xterm`. (Of course, you can also use
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`xterm` for the standard template, if you prefer.)
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2. `sudo` is not installed by default. Unless you've installed it, use `su` as
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demonstrated above. (Of course, you can also use `su` for the standard
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template, if you prefer.)
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Compacting the Upgraded Template
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2016-11-19 07:36:25 -05:00
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--------------------------------
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2016-11-01 19:58:01 -04:00
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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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You can use the `qvm-trim-template` tool:
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[user@dom0 ~]$ qvm-trim-template fedora-24
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Additional Information
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2016-11-19 07:36:25 -05:00
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----------------------
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2016-11-01 19:58:01 -04:00
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As mentioned above, you may encounter the following `dnf` error:
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At least X MB more space needed on the / filesystem.
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In this case, you have several options:
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1. [Increase the TemplateVM's disk image size](/doc/resize-disk-image/).
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This is the solution mentioned in the main instructions above.
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2. Delete files in order to free up space. One way to do this is by
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uninstalling packages. You may then reinstalling them again after you
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finish the upgrade process, if desired). However, you may end up having to
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increase the disk image size anyway (see previous option).
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3. Increase the `root.img` size with `qvm-grow-root`.
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4. Do the upgrade in parts, e.g., by using package groups. (First upgrade
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`@core` packages, then the rest.)
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5. Do not perform an in-place upgrade. Instead, simply download and install a
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new template package, then redo all desired template modifications.
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With regard to the last option, here are some useful messages from the mailing
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list which also apply to TemplateVM management and migration in general:
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* [Marek](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/dS1jbLRP9n8J)
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* [Jason M](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/5PxDfI-RKAsJ)
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