The Nitro V15 supports battery protection via min/max charge levels, but Ubuntu doesn't talk the hardware protocol out of the box. There's a kernel module which enables charge levels. I'm a bit in a hurry, so the TLD: the module is here https://github.com/frederik-h/acer-wmi-batterycheck it out and follow the installation instructions Tried & works under Ubuntu … Continue reading Acer Nitro V15 battery charge level protection and Ubuntu
Tag: power consumption
Reactivate Linux network interface after standby
I'm happily using (after all this time!) the Acer Nitro 5 [AN5] with Ubuntu 20.04 and the power saving script [PSS]. Unfortunately, when using the lowest power mode, the Ethernet interface won't get an IP any more. The Ethernet interface wakes up with a simple command: sudo ip link set enp7s0 up Resources [AN5] Ubuntu … Continue reading Reactivate Linux network interface after standby
Reducing power consumption on the HP Probook 4720s and Ubuntu 12.04
As said earlier, Ubuntu 12.04 does a good job with power management on the 4720s. With some manual settings power consumption can be further decreases, albeit not much this time. I wrote this script which takes a parameter: on: enable power management settings off: disable power management settings extra: on + enable extensive power management … Continue reading Reducing power consumption on the HP Probook 4720s and Ubuntu 12.04
Reducing HP 4720s power consumption under Ubuntu Linux 11.10
Mainly annoyed by the loud fan I looked into ways of reducing power consumption of the HP Probook 4720s and came up with this script: #!/bin/sh -e # Increase filesystem write cache timeoutecho 1500 > /proc/sys/vm/dirty_writeback_centisecs # Enable power management on all PCI devices find /sys/devices/pci* -path "*power/control" -exec bash -c "echo auto > '{}'" … Continue reading Reducing HP 4720s power consumption under Ubuntu Linux 11.10
George's Techblog 