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Andrew David Wong 2018-04-01 15:10:07 -05:00
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common-tasks/software-update-dom0.md
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@ -52,6 +52,8 @@ Of course, command line tools are still available for accomplishing various upda
### How to downgrade a specific package ### How to downgrade a specific package
**WARNING:** Downgrading a package can expose your system to security vulnerabilities.
1. Download an older version of the package: 1. Download an older version of the package:
~~~ ~~~
@ -66,6 +68,14 @@ Of course, command line tools are still available for accomplishing various upda
sudo dnf downgrade package-version sudo dnf downgrade package-version
~~~ ~~~
For example, to downgrade Xen to a specific older version available for Qubes R3.2, you would:
~~~
sudo qubes-dom0-update xen-libs-4.6.6-36.fc23.x86_64 xen-hypervisor-4.6.6-36.fc23.x86_64 xen-runtime-4.6.6-36.fc23.x86_64 xen-hvm-4.6.6-36.fc23.x86_64 xen-4.6.6-36.fc23.x86_64 xen-license-4.6.6-36.fc23.x86_64
sudo dnf downgrade xen-libs-4.6.6-36.fc23.x86_64 xen-hypervisor-4.6.6-36.fc23.x86_64 xen-runtime-4.6.6-36.fc23.x86_64 xen-hvm-4.6.6-36.fc23.x86_64 xen-4.6.6-36.fc23.x86_64 xen-license-4.6.6-36.fc23.x86_64
~~~
### How to re-install a package ### How to re-install a package
You can re-install in a similar fashion to downgrading. You can re-install in a similar fashion to downgrading.