mhwd-kernel: manjaro hardware detection command unique feature that provides easy installation and management of system kernels.
Before beginning the process of kernel version upgrade/downgrade, identify current version details via the mhwd-kernel command:
One of the other distinguishing features of Manjaro is the use and installation of multiple Kernel versions, as well as the user’s access to bleeding-edge kernels.
command outputs all kernel versions, whereas kernels with the “rt” represent unstable or real-time kernel release.
As shown above, it is not necessary to add the full kernel version number. Similarly, it’s important to note that Manjaro automatically updates all modules of the newly installed version from an old one. For instance, to update from 59 to 5.10, manjaro automatically updates modules in 5.19 with all modules in 5.14.
The mhwd-kernel command’s rmc option plays a critical role, as it deletes the existing kernel at the installation of the new kernel. In contrast, the Manjaro official website recommends keeping the old one for a short interval when the system is updating the bleeding-edge kernel.