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Note safety of importing installed Fedora signing key

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Fixes QubesOS/qubes-issues#2463
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Andrew David Wong 2016-11-27 15:51:26 -08:00
parent 9f58c9c66c
commit 72dae152a5
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GPG Key ID: 8CE137352A019A17
1 changed files with 21 additions and 7 deletions
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28
managing-os/templates/fedora/upgrade-23-to-24.md
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@ -47,18 +47,32 @@ template based on the standard Fedora 23 template.
[user@dom0 ~]$ qvm-clone fedora-23 fedora-24
[user@dom0 ~]$ qvm-run -a fedora-24 gnome-terminal
2. Attempt the upgrade process in the new template.
3. Attempt the upgrade process in the new template.
[user@fedora-24 ~]$ sudo dnf clean all
[user@fedora-24 ~]$ sudo dnf --releasever=24 distro-sync
3. Shutdown the new TemplateVM via dom0 command line or Qubes VM Manager;
**Note:** `dnf` might ask you to approve importing a new package signing
key. For example, you might see a prompt like this one:
warning: /var/cache/dnf/fedora-d02ca361e1b58501/packages/python2-babel-2.3.4-1.fc24.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 81b46521: NOKEY
Importing GPG key 0x81B46521:
Userid : "Fedora (24) <fedora-24-primary@fedoraproject.org>"
Fingerprint: 5048 BDBB A5E7 76E5 47B0 9CCC 73BD E983 81B4 6521
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-24-x86_64
Is this ok [y/N]:
This key was already checked when it was installed (notice that the "From"
line refers to a location on your local disk), so you can safely say yes to
this prompt.
4. Shutdown the new TemplateVM via dom0 command line or Qubes VM Manager;
[user@dom0 ~]$ qvm-shutdown fedora-24
If you encounter no errors, proceed to step 7.
4. If `dnf` reports that you do not have enough free disk space to proceed with
5. If `dnf` reports that you do not have enough free disk space to proceed with
the upgrade process, create an empty file in dom0 to use as a cache and
attach it to the template as a virtual disk.
@ -75,7 +89,7 @@ template based on the standard Fedora 23 template.
(Poweroff via Qubes VM Manager. May need to be killed.)
5. `dnf` may complain:
6. `dnf` may complain:
At least X MB more space needed on the / filesystem.
@ -83,17 +97,17 @@ template based on the standard Fedora 23 template.
image](/doc/ResizeDiskImage/) before reattempting the upgrade process.
(See **Additional Information** below for other options.)
6. After the upgrade process is finished, remove the cache file, if you
7. After the upgrade process is finished, remove the cache file, if you
created one.
[user@dom0 ~]$ rm /var/tmp/template-upgrade-cache.img
7. Trim the new template (see **Compacting the Upgraded Template** for details
8. Trim the new template (see **Compacting the Upgraded Template** for details
and other options).
[user@dom0 ~]$ qvm-trim-template fedora-24
8. (Optional) Remove the old default template.
9. (Optional) Remove the old default template.
[user@dom0 ~]$ sudo dnf remove qubes-template-fedora-23