Code-Memo

If you want to bypass the login prompt (such as in a graphical interface) or enable auto-login for a user:

Auto-login in a non-graphical environment:

Edit the /etc/systemd/system/getty@tty1.service.d/autologin.conf file (create it if it does not exist):
```
sudo mkdir -p /etc/systemd/system/getty@tty1.service.d
sudo nano /etc/systemd/system/getty@tty1.service.d/autologin.conf
```
Add the following content:
```
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin username --noclear %I $TERM
```
Replace username with the actual username you want to auto-login.
Auto-login in a graphical environment:

If you’re using a display manager (like gdm, lightdm, or sddm), you need to configure it for auto-login:
- For LightDM:
  
  Edit the LightDM configuration file:
```
sudo nano /etc/lightdm/lightdm.conf
```
  Add or modify the following lines:
```
[Seat:*]
autologin-user=username
autologin-user-timeout=0
```
  Replace username with your actual username.
- For GDM (GNOME Display Manager):
  
  Use gsettings to set auto-login (ensure you have the gnome-control-center package installed):
```
sudo gsettings set org.gnome.login-screen auto-login-user 'username'
sudo gsettings set org.gnome.login-screen auto-login-enabled true
```
  Replace username with your actual username.
- For SDDM (Simple Desktop Display Manager):
  
  Edit the SDDM configuration file:
```
sudo nano /etc/sddm.conf
```
  Add or modify the following lines:
```
[Autologin]
User=username
Session=your-session.desktop
```