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====== Edge-2L auto login ======

===== Introduction =====

This document introduces how to set up automatic login on Ubuntu.

===== Desktop OS =====


// Settings => Users => Automatic Login //

===== Server OS =====


=== Virtual consoles tty[1-6] ===

```shell
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 ===

```shell
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
```

<WRAP info >
Reboot for the changes to take effect.
</WRAP>

<WRAP tip >
To restore the login prompt, follow these steps:
 ```shell 
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 
``` 
</WRAP>