145 lines
3.6 KiB
Bash
145 lines
3.6 KiB
Bash
#!/bin/bash
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# Setup stable VNC for computer-use skill
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# Run once to install systemd services for flicker-free VNC desktop
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SKILL_DIR="$(dirname "$SCRIPT_DIR")"
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USER=$(whoami)
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HOME_DIR=$(eval echo "~$USER")
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echo "=== Computer Use VNC Setup ==="
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echo "User: $USER"
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echo "Skill dir: $SKILL_DIR"
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echo ""
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# Install packages
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echo "[1/6] Installing packages..."
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sudo apt update -qq
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sudo apt install -y xvfb xfce4 xfce4-terminal xdotool scrot imagemagick dbus-x11 x11vnc novnc websockify
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# Copy minimal-desktop.sh to a stable location
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echo "[2/6] Installing watchdog script..."
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sudo mkdir -p /opt/computer-use
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sudo cp "$SCRIPT_DIR/minimal-desktop.sh" /opt/computer-use/
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sudo chmod +x /opt/computer-use/minimal-desktop.sh
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# Install systemd services (generated inline)
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echo "[3/6] Installing systemd services..."
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cat <<EOF | sudo tee /etc/systemd/system/xvfb.service > /dev/null
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[Unit]
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Description=Xvfb Virtual Display :99
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After=graphical.target
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Wants=graphical.target
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[Service]
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Type=simple
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ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24 -nolisten tcp -dpi 96
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Restart=always
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RestartSec=1
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User=$USER
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Environment="HOME=$HOME_DIR"
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[Install]
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WantedBy=multi-user.target
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EOF
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cat <<EOF | sudo tee /etc/systemd/system/xfce-minimal.service > /dev/null
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[Unit]
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Description=XFCE Minimal Desktop for Computer Use
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After=xvfb.service
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Requires=xvfb.service
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[Service]
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Type=simple
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ExecStart=/opt/computer-use/minimal-desktop.sh
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Restart=always
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RestartSec=3
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User=$USER
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Environment="HOME=$HOME_DIR"
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Environment="DISPLAY=:99"
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[Install]
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WantedBy=multi-user.target
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EOF
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cat <<EOF | sudo tee /etc/systemd/system/x11vnc.service > /dev/null
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[Unit]
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Description=x11vnc VNC Server
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After=xfce-minimal.service
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Requires=xfce-minimal.service
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[Service]
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Type=simple
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ExecStart=/usr/bin/x11vnc -display :99 -forever -shared -rfbport 5900 -noxdamage -noxfixes -noclipboard
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Restart=always
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RestartSec=2
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User=$USER
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Environment="HOME=$HOME_DIR"
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Environment="DISPLAY=:99"
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[Install]
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WantedBy=multi-user.target
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EOF
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cat <<EOF | sudo tee /etc/systemd/system/novnc.service > /dev/null
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[Unit]
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Description=noVNC WebSocket Proxy
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After=x11vnc.service
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Requires=x11vnc.service
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[Service]
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Type=simple
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ExecStart=/usr/share/novnc/utils/novnc_proxy --vnc localhost:5900 --listen 6080 --heartbeat 30
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Restart=always
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RestartSec=2
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User=$USER
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Environment="HOME=$HOME_DIR"
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[Install]
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WantedBy=multi-user.target
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EOF
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# Mask xfdesktop to prevent flickering
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echo "[4/6] Masking xfdesktop (prevents flicker)..."
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if [ -f /usr/bin/xfdesktop ] && [ ! -f /usr/bin/xfdesktop.real ]; then
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sudo mv /usr/bin/xfdesktop /usr/bin/xfdesktop.real
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echo '#!/bin/bash
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# Masked - xfdesktop causes VNC flickering on Xvfb
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exit 0' | sudo tee /usr/bin/xfdesktop > /dev/null
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sudo chmod +x /usr/bin/xfdesktop
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echo " xfdesktop masked (original at /usr/bin/xfdesktop.real)"
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else
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echo " xfdesktop already masked or not found"
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fi
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# Enable and start services
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echo "[5/6] Enabling services..."
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sudo systemctl daemon-reload
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sudo systemctl enable xvfb xfce-minimal x11vnc novnc
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echo "[6/6] Starting services..."
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sudo systemctl start xvfb
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sleep 2
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sudo systemctl start xfce-minimal
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sleep 3
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sudo systemctl start x11vnc
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sleep 1
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sudo systemctl start novnc
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echo ""
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echo "=== Setup Complete ==="
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echo ""
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echo "Services running:"
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systemctl is-active xvfb xfce-minimal x11vnc novnc | paste - - - - | awk '{print " xvfb: "$1" xfce-minimal: "$2" x11vnc: "$3" novnc: "$4}'
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echo ""
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echo "Access VNC:"
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echo " 1. SSH tunnel: ssh -L 6080:localhost:6080 $(hostname)"
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echo " 2. Open: http://localhost:6080/vnc.html"
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echo ""
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echo "Or add to ~/.ssh/config:"
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echo " Host $(hostname)"
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echo " LocalForward 6080 127.0.0.1:6080"
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