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So I decided to finally get off my a— and upgrade my work machine [to 20.04], seeing as I'm currently between projects.

First try, the updater would close right after clicking the upgrade button....

$ lsb_release -a; uname -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
Linux trapperkeeper 5.4.0-58-lowlatency #64-Ubuntu...

Subject pretty much says it all, I'd like to run a custom script when the machine switches to battery / to AC, what's the cleanest ("most Ubuntu") way to do this?

Obviously I want something...

This one is so weird I've no idea how to describe it, let alone what to search for ...
It happens on both of my 20.04 systems, an antique netbook and a Surface Go 2, both using Wayland session on...

You need an UEFI partition. That's a small (couple hundred MB) FAT32 partition at the start of a GPT-partitioned disk with the "boot" flag set. It's shared between all OS' on the system. ASUS'...

Just put the line "blacklist rts5139" somewhere in /etc/modprobe.d/, it doesn't really matter which file as long as the name ends in .conf. I created a new "blacklist-cardreader.conf" for the...

Only two things that aren't in the Wiki:
1. bbswitch doesn't work 100%
Manually turning off the nVidia card (echo OFF | sudo tee /proc/acpi/bbswitch) works but loading the module with Load_state=0...

I've got the battery tamed now, it seems: nearly 8h in idle and it looks like I might actually get 5h under a medium workload. The funny thing is, it isn't consistent. Sometimes power drain pretty...

Interesting that the power usage should be all over the board. What I did to get to 8,5W:
- kernel cmd line: pcie_aspm=force nmi_watchdog=0
- BT off in BIOS (I don't use it)
- nVidia card switched...

An UEFI-install of 12.10 beta 2 worked like a charm on my UX32VD (BIOS 2.11), but there's still a number of annoying problems remaining:

1) The trackpad doesn't work at all well. It's much too...