Initial commit with translated description

scripts/setup-vnc.sh

@@ -0,0 +1,144 @@
+#!/bin/bash
+# Setup stable VNC for computer-use skill
+# Run once to install systemd services for flicker-free VNC desktop
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SKILL_DIR="$(dirname "$SCRIPT_DIR")"
+USER=$(whoami)
+HOME_DIR=$(eval echo "~$USER")
+
+echo "=== Computer Use VNC Setup ==="
+echo "User: $USER"
+echo "Skill dir: $SKILL_DIR"
+echo ""
+
+# Install packages
+echo "[1/6] Installing packages..."
+sudo apt update -qq
+sudo apt install -y xvfb xfce4 xfce4-terminal xdotool scrot imagemagick dbus-x11 x11vnc novnc websockify
+
+# Copy minimal-desktop.sh to a stable location
+echo "[2/6] Installing watchdog script..."
+sudo mkdir -p /opt/computer-use
+sudo cp "$SCRIPT_DIR/minimal-desktop.sh" /opt/computer-use/
+sudo chmod +x /opt/computer-use/minimal-desktop.sh
+
+# Install systemd services (generated inline)
+echo "[3/6] Installing systemd services..."
+
+cat <<EOF | sudo tee /etc/systemd/system/xvfb.service > /dev/null
+[Unit]
+Description=Xvfb Virtual Display :99
+After=graphical.target
+Wants=graphical.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24 -nolisten tcp -dpi 96
+Restart=always
+RestartSec=1
+User=$USER
+Environment="HOME=$HOME_DIR"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+cat <<EOF | sudo tee /etc/systemd/system/xfce-minimal.service > /dev/null
+[Unit]
+Description=XFCE Minimal Desktop for Computer Use
+After=xvfb.service
+Requires=xvfb.service
+
+[Service]
+Type=simple
+ExecStart=/opt/computer-use/minimal-desktop.sh
+Restart=always
+RestartSec=3
+User=$USER
+Environment="HOME=$HOME_DIR"
+Environment="DISPLAY=:99"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+cat <<EOF | sudo tee /etc/systemd/system/x11vnc.service > /dev/null
+[Unit]
+Description=x11vnc VNC Server
+After=xfce-minimal.service
+Requires=xfce-minimal.service
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/x11vnc -display :99 -forever -shared -rfbport 5900 -noxdamage -noxfixes -noclipboard
+Restart=always
+RestartSec=2
+User=$USER
+Environment="HOME=$HOME_DIR"
+Environment="DISPLAY=:99"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+cat <<EOF | sudo tee /etc/systemd/system/novnc.service > /dev/null
+[Unit]
+Description=noVNC WebSocket Proxy
+After=x11vnc.service
+Requires=x11vnc.service
+
+[Service]
+Type=simple
+ExecStart=/usr/share/novnc/utils/novnc_proxy --vnc localhost:5900 --listen 6080 --heartbeat 30
+Restart=always
+RestartSec=2
+User=$USER
+Environment="HOME=$HOME_DIR"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Mask xfdesktop to prevent flickering
+echo "[4/6] Masking xfdesktop (prevents flicker)..."
+if [ -f /usr/bin/xfdesktop ] && [ ! -f /usr/bin/xfdesktop.real ]; then
+    sudo mv /usr/bin/xfdesktop /usr/bin/xfdesktop.real
+    echo '#!/bin/bash
+# Masked - xfdesktop causes VNC flickering on Xvfb
+exit 0' | sudo tee /usr/bin/xfdesktop > /dev/null
+    sudo chmod +x /usr/bin/xfdesktop
+    echo "  xfdesktop masked (original at /usr/bin/xfdesktop.real)"
+else
+    echo "  xfdesktop already masked or not found"
+fi
+
+# Enable and start services
+echo "[5/6] Enabling services..."
+sudo systemctl daemon-reload
+sudo systemctl enable xvfb xfce-minimal x11vnc novnc
+
+echo "[6/6] Starting services..."
+sudo systemctl start xvfb
+sleep 2
+sudo systemctl start xfce-minimal
+sleep 3
+sudo systemctl start x11vnc
+sleep 1
+sudo systemctl start novnc
+
+echo ""
+echo "=== Setup Complete ==="
+echo ""
+echo "Services running:"
+systemctl is-active xvfb xfce-minimal x11vnc novnc | paste - - - - | awk '{print "  xvfb: "$1"  xfce-minimal: "$2"  x11vnc: "$3"  novnc: "$4}'
+echo ""
+echo "Access VNC:"
+echo "  1. SSH tunnel: ssh -L 6080:localhost:6080 $(hostname)"
+echo "  2. Open: http://localhost:6080/vnc.html"
+echo ""
+echo "Or add to ~/.ssh/config:"
+echo "  Host $(hostname)"
+echo "    LocalForward 6080 127.0.0.1:6080"