Table of Contents

Edge1 Auto Login

Introduction

This document mainly introduces automatic login under Ubuntu.

Desktop OS

Settings ⇒ Users ⇒ Automatic Login

Server OS

Virtual Consoles tty[1-6]

sudo cp /lib/systemd/system/getty@.service /lib/systemd/system/getty@.service.backup
sudo sed -i "s/ExecStart=.*/ExecStart=-\/sbin\/agetty --noclear --autologin root \%I \$TERM/g" /lib/systemd/system/getty@.service

Serial Console ttyS0

sudo cp /lib/systemd/system/serial-getty@.service /lib/systemd/system/serial-getty@.service.backup
sudo sed -i "s/ExecStart=.*/ExecStart=-\/sbin\/agetty --autologin root --keep-baud 1500000,115200,38400,9600 \%I \$TERM/g" /lib/systemd/system/serial-getty@.service

Reboot to take effect.

If you want to recovery the login prompt, please follow the steps below: 

sudo mv /lib/systemd/system/getty@.service.backup /lib/systemd/system/getty@.service
sudo mv /lib/systemd/system/serial-getty@.service.backup /lib/systemd/system/serial-getty@.service
2022/07/15 23:37