Opensource
Qt for Python 5.12 (Ubuntu 18.04)
Follow instructions from https://wiki.qt.io/Qt_for_Python/GettingStarted/X11
ssh without password
run these commands on the remote host $ mkdir ~/.ssh$ chmod 700 ~/.ssh run these commands on your local computer
using sudo without password
run as root $ usermod -aG sudo sahumada$ echo “sahumada ALL=(ALL) NOPASSWD: ALL” > /etc/sudoers.d/sahumada check whether it works $
change default editor in Ubuntu 18.04
$ update-alternatives –display editoreditor – auto mode link best version is /bin/nano link currently points to /bin/nano link editor is
changing the Raspberry Pi’s screen resolution (VNC)
To set a certain screen resolution for your Pi, specify the following settings in /boot/config.txt:
install Rancher on Ubuntu 16.04
$ sudo docker run -d –restart=unless-stopped -p 8080:8080 rancher/server
enable ñ with German keyboard (custom keyboard)
check the current layout $ setxkbmap -queryrules: evdevmodel: pc105layout: devariant: qwerty $ sudo cp /usr/share/X11/xkb/symbols/de