Show

Using power profiles to optimize power consumption in Ubuntu: Slimbook

Install Slimbook battery optimizer Inspiration: https://www.omgubuntu.co.uk/2019/05/slimbook-battery-optimizer-ubuntu

Tagged as Power saving, Ubuntu

Show

Disable unused USB devices in Ubuntu

Sadly Ubuntu does not yet support the multitouch screen and fingerprint reader of my notebook. I also hardly use my webcam. That is why I decided to disable the devices to save energy. I put together a small PHP which I called “unbindUsb” script that can be run in the Read more…


Show

Disabling tracker to save energy

I noticed many “tracker-miner-fs” threads that seem to be running in the background but sadly use a lot of CPU time. They belong to a very useful framework that aims to improve the Ubuntu desktop experience: https://wiki.ubuntu.com/Tracker At the moment it is not very useful for me so I decided Read more…

Tagged as Power saving, Ubuntu

Show

Add emoji (icon) font to Ubuntu / Chrome

Restart chrome and test online: https://eosrei.github.io/emojione-color-font/full-demo.html Noto emoji color font is from this font project: https://www.google.com/get/noto/

Tagged as Chrome, Ubuntu

Show

How to set the default sound card / sound device in Ubuntu

Successfully tested in Ubuntu 19.10 I have an onboard Intel sound card but my main monitor is connected to my Nvidia graphics card through HDMI and Ubuntu always decided to set the HDMI monitor as default sound device. This helped me switch the default sound device permanently: https://askubuntu.com/a/502133 1. First Read more…

Tagged as Ubuntu

Show

Fix spotify app indicator icon in Ubuntu

Tested in Ubuntu 19.04, 19.10 Since some time Spotify does not support app indicator icons anymore. Luckily there is the kdocker application which allows to dock any application to the app indicator area.Install kdocker 1. Install kdocker 2. Edit contents of spotify launcher file 3. Execute spotify through kdocker instead Read more…

Tagged as Ubuntu

Show

Fix notifications light background in Ubuntu 19.04 when using Yaru dark theme

Ubuntu 19.04 currently does not use a dark background color for notifications when using Yaru dark theme. As a workaround install pop theme and use pop dark theme.I really like the “slim” variant. Also gives a nice minimalist login screen. Inspired by: https://askubuntu.com/questions/1149991/dark-shell-theme-that-fits-yaru-dark

Tagged as Ubuntu

Show

Analyze system boot time

systemd-analyze is the tool for that job You might want to try some of the following commands:

Tagged as Shell, Ubuntu

Show

SSH login via key file

create key pair and download the files (~/.ssh) add public key to authorized keys /.ssh/authorized_key login from local machine

Tagged as Shell, Ubuntu

Show

Install letsencrypt certificates

(while an active apache instance is running)Use webserver default webroot to generate certificates before setting up vhosts for new domains.

Tagged as Shell, Ubuntu