# Minimal Rocky Linux 9, grubby and Hyper-V

**URL:** <https://forums.rockylinux.org/t/minimal-rocky-linux-9-grubby-and-hyper-v/6708>\
**Category:** Rocky Linux Help & Support\
**Created:** [July 23, 2022, 2:58pm UTC](https://forums.rockylinux.org/t/minimal-rocky-linux-9-grubby-and-hyper-v/6708 "2022-07-23T14:58:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Martin1](https://avatars.discourse-cdn.com/v4/letter/m/3be4f8/32.png) [@Martin1](https://forums.rockylinux.org/u/Martin1)\
**Post date:** [July 23, 2022, 2:58pm UTC](https://forums.rockylinux.org/t/minimal-rocky-linux-9-grubby-and-hyper-v/6708/1 "2022-07-23T14:58:42Z")

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sudo grubby --update-kernel=ALL --args=“video=hyperv\_fb:1440x900”

This works in 8.6 but not 9. Can anyone help this Linux newbie understand why?

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**Author:** ![brian](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.rockylinux.org/brian/32/5777_2.png) [@brian](https://forums.rockylinux.org/u/brian)\
**Post date:** [August 25, 2023, 3:44am UTC](https://forums.rockylinux.org/t/minimal-rocky-linux-9-grubby-and-hyper-v/6708/2 "2023-08-25T03:44:38Z")

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