checkinindza

"usr/bin/xset: unable to open display ":0"" in Wayland session

1

Hi, so I'm trying to improve my laptop's battery life on Linux and one of the tools that seems to be recommended quite a lot is Powertop. But there's one...

DDC Communication failed. [EIO in ddc_write_read_with_retry, causes: EIO]

2

Hi, so I'm trying to control my external display's brightness with ddcutil, but the issue is, it says `Display not found`, running `sudo ddcutil detect` shows `DDC communication failed. (getvcp...