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Recommend simpler template upgrade method

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Andrew David Wong 2019-02-15 23:09:33 -06:00
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installing/installation-guide.md
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@ -31,8 +31,16 @@ Furthermore, if you are installing Qubes on a potentially compromised system, we
Qubes 4.0.1 Warning
-------------------
After installing Qubes 4.0.1, please install fresh APT-based (e.g., Debian and Whonix) TemplateVMs in order to be protected from the APT update mechanism vulnerability that was patched after the release of 4.0.1.
For instructions and further details, please see [QSB #46].
Immediately after installing Qubes 4.0.1, please upgrade all of your APT-based (e.g., Debian and Whonix) TemplateVMs by executing the following command in a dom0 terminal for each such TemplateVM:
$ sudo qubes-dom0-update --action=upgrade <template-package-name>
For example, the command for the `debian-9` TemplateVM would be:
$ sudo qubes-dom0-update --action=upgrade qubes-template-debian-9
These upgrades are required in order to be protected from the APT update mechanism vulnerability that was announced and patched in [QSB #46], which was after the release of Qubes 4.0.1.
This method is simpler than the method recommended in [QSB #46], but it is just as safe and effective so long as it is performed immediately after installing Qubes OS.
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