Install program on Ubuntu via Zip file
https://askubuntu.com/questions/421389/where-to-unpack-the-android-studio-file
Start local PHP server on Mac
Open a terminal, change to directory with source and type
php -S localhost:8000.
Connect ADB over Wifi on Ubuntu
Connect the device per USB. Write adb tcpip 5555 into a terminal. Find out the IP address of the device within the Wifi network.
Type adb connect [IP-address]:5555 into a terminal.
Add public GPG key for apt-get
gpg --keyserver keyserver.ubuntu.com --recv E084DAB9
gpg --export --armor E084DAB9 | sudo apt-key add - && sudo apt-get update
PHPMyAdmin Alternative
Download adminer.php from https://www.adminer.org/ and copy into your webspace.
Icon Collections
https://fontawesome.com/icons
https://material.io/tools/icons
Save Git credentials in console
git config credential.helper store