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 →