GNU/Linux Ubuntu 21.04 Downgrading Kernel GUI – Step by step Guide
The tutorial shows you step-by-step How to Downgrade Kernel with GUI easily on Ubuntu 21.04 Hirsute GNU/Linux desktop – Step by step Tutorial.
And this Downgrade Kernel Ubuntu Hirsute Guide make use of Mainline a UI Tool to manage the Linux Versions on Ubuntu based desktops.
Especially relevant: this guide is valid also in case you need to Upgrade the Linux Kernel.

1. Accessing Shell
Open a Terminal window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)
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