Higher frame rate with Microsoft LifeCam and Linux

The Microsoft LifeCam is a versatile USB Webcam family which is supported well in Ubuntu Linux. Unfortunately it records HD videos only at low fps, but there is a workaround to get high resolution with 30 fps. Install guvcviewOpen guvcview, switch to the Video Controls tab and pick the LifeCamSelect 30/1 fps in the Frame … Continue reading Higher frame rate with Microsoft LifeCam and Linux

Fixing random sound drops with Ubuntu; only sound device is “Dummy Output”

The title says it all; at some point Ubuntu 18.04 stops playing sound and the only available sound device is "Dummy Output". Apart from rebooting (which fixes the issue) this command executed from the terminal fixes the issue: pulseaudio -k && sudo alsa force-reload Contributed by user Kim, source: https://superuser.com/questions/17312/restart-ubuntu-sound-processes-via-command-line

Ubuntu on the Acer Aspire E15 (E5-571G-51TH)

Having failed the 3rd repair attempt at the Thinkpad E540 [1] I gave up and bought the next best laptop from the nearby store that somehow is usable for programming. Behold: the Acter Inspire E15. 8GB RAM, i5, matte screen (1920x1080). It worked out of the box with the SSD transplant from the old Lenovo, … Continue reading Ubuntu on the Acer Aspire E15 (E5-571G-51TH)

Ubuntu 14.04 on the Lenovo Thinkpad E540

Update 25.03.2015: I strongly recommend against the Thinkpad Edge 540. There seems to be a systematic manufacturing problem with keyboards in many Edge models. Mine broke down a week after ordering, I installed a replacement keyboard which broke within two weeks of installing.   For details see: https://forums.lenovo.com/t5/11e-Windows-E-and-Edge-series/thinkpad-edge-15-keyboard-problem/td-p/406731/page/8 Original text: After not being so long … Continue reading Ubuntu 14.04 on the Lenovo Thinkpad E540

Linux picking the best access point in a WLAN with repeaters

In many larger WLAN setups you'll find repeaters or extenders which spread the WLAN to farther places on the floor. Often they are set up in such a way that they use the same WLAN name (SSID) and password. In that case the WLAN hardware on your laptop will pick the best access point and … Continue reading Linux picking the best access point in a WLAN with repeaters

Running windows games with steam on a hybrid graphics card

I don't play much, but when I do, it's Sid Meier's Civilization on a Windows installation boxed into a VM. Earlier this year I got tricked by a Humble-Bundle offer into buying Civilization V, which came with the "trojan horse" of a steam account. Had I known the prerequisite of a Steam account before hand, … Continue reading Running windows games with steam on a hybrid graphics card