After login screen in Ubuntu no desktop is displayed - yet same login screen
I have been fiddling around much lately and that included an update to Ubuntu 14.04 (as well as playing with BlackMagic IntensityPro capture card - installing webcamstudio, recompiling vlc, etc). So when I restarted I could not get to my gnome-desktop, nor any other desktop I wanted. (more...)
Untar tar, gz, xz files
Modern tar does not require you to know special tags for special endings, but it recognizes most of .tar,.tar.gz,.tar.xz file extensions and you can easily extract the content using command:
tar -xf fulltarnameUncompressing tar files is simple as that in terminal. (more...)
Nucleo-F401RE UART serial debugging port
There are many guides around internet but none really tell you that you can get serial output (or printf) through ST-Link debugging tool. As usual for serial ports you will need to install program that prints COM port data. (more...)
Download videos from YouTube and convert to mp3 in Linux terminal
Did you ever wanted to download video from YouTube to listen of it on your mobile while you do not have internet access? And of course you are in Linux as it is simplest to work with Andorid phones. To download video from Youtube the good program is youtube-dl and to convert it you will use avconv (former ffmpeg). (more...)