Barrier Lockscreen Auto Connect (Linux - LightDM, GDM, SDDM)

Use your keyboard and mouse via Barrier before login on Linux (lock screen support).

Works with:

• LightDM
• GDM (GNOME)
• SDDM (KDE)

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Features

• Works on lock screen
• Auto connect at boot
• Supports multiple display managers
• Simple script based setup

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Requirements

• Barrier installed
• Barrier server already configured
• Client name added to server
• Server IP address

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1. Install Barrier

Debian / Ubuntu / Kali

sudo apt update
sudo apt install barrier

Arch

sudo pacman -S barrier

Fedora

sudo dnf install barrier

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2. Create Greeter Script

sudo cp scripts/barrier-greeter.sh /usr/local/bin/
sudo chmod +x /usr/local/bin/barrier-greeter.sh

Edit script:

sudo nano /usr/local/bin/barrier-greeter.sh

Change:

• client name
• server IP
• to use SSL, remove --disable-crypto

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3. Setup Display Manager

LightDM

sudo nano /etc/lightdm/lightdm.conf

Add:

[Seat:*]
greeter-setup-script=/usr/local/bin/barrier-greeter.sh

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GDM

sudo cp examples/gdm.desktop.example \
/usr/share/gdm/greeter/autostart/barrier.desktop

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SDDM

sudo nano /usr/share/sddm/scripts/Xsetup

Add:

/usr/local/bin/barrier-greeter.sh

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4. Reboot

sudo reboot

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Result

Barrier connects before login.

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Change Server IP Later

sudo nano /usr/local/bin/barrier-greeter.sh
sudo reboot

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Troubleshooting

See: docs/troubleshooting.md

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License

MIT License