Auto start firefox-esr in kiosk mode on boot
From Nocrashwiki
1. Create the autostart directory: mkdir -p /home/pi/.config/autostart 2. Open a new text file in your preferred editor. 3. Add the following three lines: [Desktop Entry] Type=Application Exec=mousepad Replace mouespad with the command of your choice. 4. Save in /home/pi/.config/autostart with a name ending in .desktop e.g. mousepad.desktop 5. Logout and login or reboot.