While installing Peppermint OS on an HP 455 G9 ProBook, I discovered that no wifi was available.

I continued the installation using an RJ45 cable and later found out that the Realtek RTL8852BE wifi card required Linux kernel 6.2 or higher.

Peppermint OS was using kernel 6.1.

The following line already existed in the /etc/apt/sources.list, so no addition was needed:

...

There's some weird situation, for me at least, where apparently I can't install the headers of linux 6, due to failure in dkms building the module for this USB wireless adapter. Which in turn depends on the headers themselves being installed, if I'm not misunderstanding, which may well be the case.

Additionally, there were some reported bugs in some stuff, G++ and/or GCC, while updating from frankendebian-pre-Bookworm to what may be a more proper bookworm release. Although I think...

I believe that in previous kernel upgrades I just had used what I think is the standard process with no error. But I had failed to upgrade to any sub-version of 5.10.

I don't remember what moderately crazy or nonsensical attempt I tried along the way, not that many, but finally I've solved it in a way I just didn't expect.

I simply backed up/renamed the source directory, and downloaded again with git, and did the two or three commands listed on the README. And it just...

The device is " 0bda:f179 Realtek Semiconductor Corp. 802.11n," per lsusb. Using this driver:

https://github.com/kelebek333/rtl8188fu

Not the deb files, the dkms path. (Speaking of path, I have the impression it has explicitly coded paths and needs to be installed from /usr/src)

Including the added settings regarding USB plugging and power management issues, AND the advice on this forum:

https://forum.manjaro.org/t/wifi-onl...first/98932/32...