Just in time for the new year, the revived Apple Macbook Pro with Debian from the first part is back on my desk. It served well in December. Now, it’s time for a pit-stop: Would you refuel and change bumpers, please? Battery Replacement after 12 years I was way off the mark with the expected endurance: I wrote something about 1.5 hours last month. Well this may have been 7 years ago when I last worked with it. Read more

What is the worst-case scenario right before Christmas during a Corona Lockdown? Let’s leave zombie apocalypses, too little toilet paper or slow internet connections aside for a moment. Right! A broken laptop. Exactly such a call for help came to me this afternoon from my own circle of friends. I was asked if I had a spare notebook available shortly. Coincidentally, yes. An old mid-2009 Macbook Pro 13" has been hanging around in the corner for years. Read more

Today I will report a brief description of the battery and power management of Mobian on a Pinephone. Reading the battery parameters from the console was already quite special. The usual way with upower was not successful and provided only zero values. Without ACPI the readout only worked with: # cat /sys/class/power_supply/axp20x-battery/uevent My first measurements: At idle with active mobile network, BT and WLAN and 50% display brightness the power consumption is about 2. Read more

What was missing in the first part the day before yesterday, I will catch up today: Screenshots! This led to the question of how to do this? A hotkey like in iOS (home + on/off switch) is unknown to me on the Pinephone. The classic desktop Linux tools like Gnome Screenshots or Peek are installable but do not work properly. It’s quite banal, they fail due to the fact that I cannot trigger any hotkey on a touch display UI. Read more