373 lines
No EOL
16 KiB
Bash
373 lines
No EOL
16 KiB
Bash
#!/bin/sh
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# Exit immediately if a command exits with a non-zero status.
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# We disable this ('+e') temporarily during the nomodeset check.
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set -u
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# --- Color Definitions ---
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RED='\e[1;31m'
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BLU='\e[1;34m'
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GRN='\e[1;32m'
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YLW='\e[1;33m'
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DEF='\e[0m'
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# --- End Color Definitions ---
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# --- Configuration ---
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# Set the URL you want the signage to display
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KIOSK_URL="https://example.com"
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# Set the user account to run the signage under
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SIGNAGE_USER="signage"
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# WayVNC Configuration
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# SET THIS PASSWORD! If left blank, a default 'changeme' will be used, which is INSECURE.
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WAYVNC_PASSWORD_TO_SET="burek123" # Example: "your_secure_password"
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WAYVNC_USERNAME="signage_vnc" # Username for VNC authentication
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WAYVNC_LISTEN_ADDRESS="0.0.0.0" # Listen on all interfaces
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WAYVNC_PORT="5900" # Default VNC port
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# --- End Configuration ---
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# --- Step Counter ---
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TOTAL_STEPS=14 # Adjusted for new WayVNC config step
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CURRENT_STEP=0
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log_step_message() {
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CURRENT_STEP=$((CURRENT_STEP + 1))
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echo -e "${BLU}[Step $CURRENT_STEP/$TOTAL_STEPS] $1...${DEF}"
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}
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# --- End Step Counter ---
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echo -e "${BLU}Starting Alpine Linux Signage Setup (Using Sway, greetd, WayVNC)...${DEF}"
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echo -e "${BLU}Target URL: ${GRN}$KIOSK_URL${DEF}"
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echo -e "${BLU}Signage User: ${GRN}$SIGNAGE_USER${DEF}"
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echo -e "${BLU}WayVNC will listen on: ${GRN}$WAYVNC_LISTEN_ADDRESS:$WAYVNC_PORT${DEF}"
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if [ -z "$WAYVNC_PASSWORD_TO_SET" ]; then
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echo -e "${RED}WARNING: WAYVNC_PASSWORD_TO_SET is empty. A default insecure password 'changeme' will be used.${DEF}"
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WAYVNC_PASSWORD_TO_SET="changeme"
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fi
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echo "-------------------------------------"
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# 1. Check if running as root
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if [ "$(id -u)" -ne 0 ]; then
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echo -e "${RED}ERROR: This script must be run as root${DEF}" 1>&2
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exit 1
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fi
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# 2. Check for 'nomodeset' kernel parameter
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set +e
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KERNEL_CMDLINE=$(cat /proc/cmdline)
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log_step_message "Checking kernel command line for 'nomodeset'"
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echo "Command line: $KERNEL_CMDLINE"
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if echo "$KERNEL_CMDLINE" | grep -q -w 'nomodeset'; then
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echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${DEF}"
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echo -e "${RED}!! ${YLW}WARNING: 'nomodeset' detected! Wayland (Sway) will likely NOT work. ${RED}!!${DEF}"
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echo -e "${RED}!! ${YLW}Remove 'nomodeset' from your bootloader config and reboot. ${RED}!!${DEF}"
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echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${DEF}"
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else
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echo -e "${GRN}'nomodeset' not found. Proceeding...${DEF}"
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fi
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set -e
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echo "-------------------------------------"
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# 3. Update repositories
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log_step_message "Updating package repositories"
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apk update
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echo "-------------------------------------"
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# 4. Setup base Wayland environment
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log_step_message "Setting up base Wayland environment (elogind, eudev)"
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apk add --no-cache alpine-conf
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setup-wayland-base
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echo -e "${GRN}Base Wayland environment setup complete.${DEF}"
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echo "-------------------------------------"
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# 5. Install necessary packages (openssl added)
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log_step_message "Installing core packages (Sway, Chromium, Greetd, WayVNC, openssl etc.)"
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apk add \
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sway \
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swayidle \
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swaybg \
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wl-clipboard \
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xwayland \
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chromium \
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mesa-dri-gallium \
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mesa-va-gallium \
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mesa-egl \
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dbus \
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font-dejavu \
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ttf-freefont \
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util-linux \
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linux-firmware \
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greetd \
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greetd-agreety \
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wayvnc \
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openssl # Added for key generation
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echo -e "${GRN}Required packages installed.${DEF}"
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echo "-------------------------------------"
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# 6. D-Bus service
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log_step_message "Enabling and starting D-Bus service"
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if ! rc-service dbus status > /dev/null 2>&1; then
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rc-update add dbus default
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rc-service dbus start
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echo -e "${GRN}D-Bus service enabled and started.${DEF}"
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else
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echo -e "${GRN}D-Bus service already running or enabled.${DEF}"
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fi
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echo "-------------------------------------"
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# 7. open-vm-tools service
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log_step_message "Enabling and starting open-vm-tools service"
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if apk info --installed open-vm-tools > /dev/null 2>&1; then
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if ! rc-service open-vm-tools status > /dev/null 2>&1; then
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rc-update add open-vm-tools default
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rc-service open-vm-tools start
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echo -e "${GRN}open-vm-tools service enabled and started.${DEF}"
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else
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echo -e "${GRN}open-vm-tools service already running or enabled.${DEF}"
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fi
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else
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echo -e "${YLW}open-vm-tools not installed, skipping service setup.${DEF}"
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fi
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echo "-------------------------------------"
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# 8. Create signage user and groups
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log_step_message "Creating signage user '$SIGNAGE_USER' and configuring groups"
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if ! id -u "$SIGNAGE_USER" >/dev/null 2>&1; then
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addgroup "$SIGNAGE_USER"
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adduser -D -G "$SIGNAGE_USER" -s /bin/sh -h "/home/$SIGNAGE_USER" "$SIGNAGE_USER"
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addgroup "$SIGNAGE_USER" video
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addgroup "$SIGNAGE_USER" input
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echo -e "${GRN}User '$SIGNAGE_USER' created and added to video/input groups.${DEF}"
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else
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echo -e "${YLW}User '$SIGNAGE_USER' already exists. Ensuring shell and groups...${DEF}"
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usermod -s /bin/sh "$SIGNAGE_USER"
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if ! getent group "$SIGNAGE_USER" >/dev/null 2>&1; then addgroup "$SIGNAGE_USER"; if ! groups "$SIGNAGE_USER" | grep -q -w "$SIGNAGE_USER"; then addgroup "$SIGNAGE_USER" "$SIGNAGE_USER"; fi; fi
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if ! groups "$SIGNAGE_USER" | grep -q -w video; then addgroup "$SIGNAGE_USER" video; echo -e "${GRN}Added $SIGNAGE_USER to video.${DEF}"; else echo -e "${GRN}$SIGNAGE_USER already in video.${DEF}"; fi
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if ! groups "$SIGNAGE_USER" | grep -q -w input; then addgroup "$SIGNAGE_USER" input; echo -e "${GRN}Added $SIGNAGE_USER to input.${DEF}"; else echo -e "${GRN}$SIGNAGE_USER already in input.${DEF}"; fi
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fi
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SIGNAGE_HOME="/home/$SIGNAGE_USER"
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mkdir -p "$SIGNAGE_HOME/.local/share/sway"
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chown -R "$SIGNAGE_USER:$SIGNAGE_USER" "$SIGNAGE_HOME"
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chmod 750 "$SIGNAGE_HOME"
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chmod -R 700 "$SIGNAGE_HOME/.local"
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echo -e "${GRN}User home directory configured.${DEF}"
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echo "-------------------------------------"
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# 9. Configure user's .profile (WayVNC password not needed here anymore)
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log_step_message "Configuring $SIGNAGE_HOME/.profile for $SIGNAGE_USER"
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SIGNAGE_PROFILE="$SIGNAGE_HOME/.profile"
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cat > "$SIGNAGE_PROFILE" << EOF
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# Profile for $SIGNAGE_USER executed by /bin/sh on login
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# --- Other Environment Variables (optional) ---
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# export XDG_CURRENT_DESKTOP=sway
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# export MOZ_ENABLE_WAYLAND=1
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# export QT_QPA_PLATFORM=wayland
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EOF
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chown "$SIGNAGE_USER:$SIGNAGE_USER" "$SIGNAGE_PROFILE"
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chmod 600 "$SIGNAGE_PROFILE"
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echo -e "${GRN}$SIGNAGE_PROFILE configured.${DEF}"
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echo "-------------------------------------"
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# 10. Configure WayVNC with authentication
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log_step_message "Configuring WayVNC with authentication"
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SIGNAGE_CONFIG_DIR="$SIGNAGE_HOME/.config"
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WAYVNC_CONFIG_DIR="$SIGNAGE_CONFIG_DIR/wayvnc"
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WAYVNC_KEYS_DIR="$WAYVNC_CONFIG_DIR/keys"
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WAYVNC_CONFIG_FILE="$WAYVNC_CONFIG_DIR/config"
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mkdir -p "$WAYVNC_KEYS_DIR"
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chown -R "$SIGNAGE_USER:$SIGNAGE_USER" "$SIGNAGE_CONFIG_DIR" || true # In case .config already existed
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chmod 700 "$SIGNAGE_CONFIG_DIR"
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chmod 700 "$WAYVNC_CONFIG_DIR"
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chmod 700 "$WAYVNC_KEYS_DIR"
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# Generate self-signed cert and keys if they don't exist
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TLS_KEY_FILE="$WAYVNC_KEYS_DIR/tls_key.pem"
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TLS_CERT_FILE="$WAYVNC_KEYS_DIR/tls_cert.pem"
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# WayVNC also supports rsa_private_key_file for RSA-AES, we'll use TLS for simplicity here.
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# If you need RSA-AES, you'd generate an RSA key: openssl genrsa -out "$WAYVNC_KEYS_DIR/rsa_key.pem" 2048
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if [ ! -f "$TLS_KEY_FILE" ] || [ ! -f "$TLS_CERT_FILE" ]; then
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echo -e "${BLU}Generating self-signed TLS certificate and key for WayVNC...${DEF}"
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# Run as signage user to ensure correct ownership from the start
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su - "$SIGNAGE_USER" -c "openssl genpkey -algorithm RSA -out \"$TLS_KEY_FILE\" -pkeyopt rsa_keygen_bits:2048"
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su - "$SIGNAGE_USER" -c "openssl req -new -key \"$TLS_KEY_FILE\" -out \"$WAYVNC_KEYS_DIR/tls_csr.pem\" -subj \"/CN=localhost/O=Kiosk/OU=Signage\""
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su - "$SIGNAGE_USER" -c "openssl x509 -req -days 3650 -in \"$WAYVNC_KEYS_DIR/tls_csr.pem\" -signkey \"$TLS_KEY_FILE\" -out \"$TLS_CERT_FILE\""
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rm -f "$WAYVNC_KEYS_DIR/tls_csr.pem" # Clean up CSR
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echo -e "${GRN}TLS certificate and key generated.${DEF}"
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else
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echo -e "${GRN}WayVNC TLS certificate and key already exist.${DEF}"
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fi
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# Create WayVNC config file
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cat > "$WAYVNC_CONFIG_FILE" << EOF
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# WayVNC configuration for signage kiosk
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address=$WAYVNC_LISTEN_ADDRESS
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port=$WAYVNC_PORT
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enable_auth=true
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username=$WAYVNC_USERNAME
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password=$WAYVNC_PASSWORD_TO_SET
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# For TLS encryption (recommended)
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private_key_file=$TLS_KEY_FILE
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certificate_file=$TLS_CERT_FILE
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# Optional: If you generated an RSA key for RSA-AES (some clients might prefer)
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# rsa_private_key_file=$WAYVNC_KEYS_DIR/rsa_key.pem
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# Optional: Relax encryption requirements (can be less secure, for compatibility)
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# relax_encryption=true
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# Optional: Keyboard layout settings
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# xkb_layout=us
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EOF
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chown "$SIGNAGE_USER:$SIGNAGE_USER" "$WAYVNC_CONFIG_FILE"
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chmod 600 "$WAYVNC_CONFIG_FILE"
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chmod 400 "$TLS_KEY_FILE" # Restrict private key readability
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chmod 644 "$TLS_CERT_FILE"
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echo -e "${GRN}WayVNC configuration file created at $WAYVNC_CONFIG_FILE with authentication enabled.${DEF}"
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if [ "$WAYVNC_PASSWORD_TO_SET" = "changeme" ]; then
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echo -e "${RED}CRITICAL: WayVNC password is set to 'changeme'. This is INSECURE. Change WAYVNC_PASSWORD_TO_SET in the script and re-run, or manually edit $WAYVNC_CONFIG_FILE.${DEF}"
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fi
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echo "-------------------------------------"
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# 11. Configure Sway
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log_step_message "Configuring Sway"
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SIGNAGE_SWAY_CONFIG_DIR="$SIGNAGE_CONFIG_DIR/sway" # .config already handled
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SIGNAGE_SWAY_CONFIG_FILE="$SIGNAGE_SWAY_CONFIG_DIR/config"
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mkdir -p "$SIGNAGE_SWAY_CONFIG_DIR" # Ensure sway dir exists under .config
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chown -R "$SIGNAGE_USER:$SIGNAGE_USER" "$SIGNAGE_SWAY_CONFIG_DIR"
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chmod 700 "$SIGNAGE_SWAY_CONFIG_DIR"
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cat > "$SIGNAGE_SWAY_CONFIG_FILE" << EOF
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# Sway configuration for Alpine Signage Kiosk
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set \$mod Mod4
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font pango:DejaVu Sans Mono 10
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output * enable
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output * power on
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seat * hide_cursor 1000
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exec /usr/bin/chromium \\
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--enable-features=UseOzonePlatform \\
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--ozone-platform=wayland \\
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--kiosk \\
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--no-first-run \\
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--disable-infobars \\
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--disable-session-crashed-bubble \\
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--disable-component-update \\
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--disable-pinch \\
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--app=$KIOSK_URL \\
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--no-sandbox \\
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--password-store=basic \\
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--enable-zero-copy \\
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--ignore-gpu-blocklist \\
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--disable-gpu
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# WayVNC will now use its own config file for auth
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exec wayvnc --render-cursor # Address/port are now in its config file
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bindsym \$mod+Shift+q kill
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bindsym \$mod+Shift+c reload
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bindsym \$mod+Shift+e exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end the kiosk session.' -B 'Yes, exit sway' 'swaymsg exit'
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focus_follows_mouse no
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mouse_warping output
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EOF
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chown "$SIGNAGE_USER:$SIGNAGE_USER" "$SIGNAGE_SWAY_CONFIG_FILE"
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chmod 600 "$SIGNAGE_SWAY_CONFIG_FILE"
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echo -e "${GRN}Sway configuration file written to $SIGNAGE_SWAY_CONFIG_FILE.${DEF}"
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echo "-------------------------------------"
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# 12. Configure greetd
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log_step_message "Configuring greetd"
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GREETD_CONFIG_DIR="/etc/greetd"
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GREETD_CONFIG_FILE="$GREETD_CONFIG_DIR/config.toml"
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mkdir -p "$GREETD_CONFIG_DIR"
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SWAY_LOG_PATH_IN_GREETD="$SIGNAGE_HOME/.local/share/sway/sway-greetd.log"
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cat > "$GREETD_CONFIG_FILE" << EOF
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[terminal]
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vt = 1
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[default_session]
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user = "$SIGNAGE_USER"
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command = "/usr/bin/dbus-run-session /usr/bin/sway -V -d 2> $SWAY_LOG_PATH_IN_GREETD"
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EOF
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chmod 644 "$GREETD_CONFIG_FILE"
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echo -e "${GRN}greetd config written to $GREETD_CONFIG_FILE.${DEF}"
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echo "-------------------------------------"
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# 13. Configure inittab
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log_step_message "Configuring autologin via greetd in /etc/inittab"
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if [ -f "/etc/inittab" ]; then
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if [ ! -f "/etc/inittab.bak.signage" ]; then cp /etc/inittab /etc/inittab.bak.signage; echo -e "${GRN}Backed up /etc/inittab.${DEF}"; fi
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sed -i -e '/^tty[2-6]:/s/^/#/' /etc/inittab
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GREETD_INITTAB_LINE="tty1::respawn:/usr/sbin/greetd"
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if grep -q "^tty1::respawn:" /etc/inittab && ! grep -Fxq "$GREETD_INITTAB_LINE" /etc/inittab; then
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sed -i "s|^tty1::respawn:.*|$GREETD_INITTAB_LINE|" /etc/inittab
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echo -e "${GRN}tty1 entry modified for greetd.${DEF}"
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elif ! grep -Fxq "$GREETD_INITTAB_LINE" /etc/inittab; then
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echo "$GREETD_INITTAB_LINE" >> /etc/inittab; echo -e "${GRN}Added greetd line to /etc/inittab.${DEF}"
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else echo -e "${GRN}greetd line already in /etc/inittab.${DEF}"; fi
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else echo -e "${RED}Warning: /etc/inittab not found.${DEF}"; fi
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echo "-------------------------------------"
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# 14. Configure PAM
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log_step_message "Attempting to configure PAM for elogind session"
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PAM_TARGET_FILE=""
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if [ -f "/etc/pam.d/greetd" ]; then PAM_TARGET_FILE="/etc/pam.d/greetd"; \
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elif [ -f "/etc/pam.d/system-login" ]; then PAM_TARGET_FILE="/etc/pam.d/system-login"; \
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elif [ -f "/etc/pam.d/system-auth" ]; then PAM_TARGET_FILE="/etc/pam.d/system-auth"; fi
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if [ -n "$PAM_TARGET_FILE" ]; then
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echo -e "${BLU}Using $PAM_TARGET_FILE for PAM.${DEF}"
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if ! grep -q "pam_elogind.so" "$PAM_TARGET_FILE"; then
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if [ ! -f "$PAM_TARGET_FILE.bak.signage" ]; then cp "$PAM_TARGET_FILE" "$PAM_TARGET_FILE.bak.signage"; echo -e "${GRN}Backed up $PAM_TARGET_FILE.${DEF}"; fi
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if grep -q "^session" "$PAM_TARGET_FILE"; then
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awk '/^session/{if(!p++) print; print "session optional pam_elogind.so"; next} 1' "$PAM_TARGET_FILE" > "$PAM_TARGET_FILE.tmp" && mv "$PAM_TARGET_FILE.tmp" "$PAM_TARGET_FILE"
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else echo "session optional pam_elogind.so" >> "$PAM_TARGET_FILE"; fi
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echo -e "${GRN}pam_elogind.so added to PAM config.${DEF}"
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else echo -e "${GRN}pam_elogind.so already in PAM config.${DEF}"; fi
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else echo -e "${RED}Warning: Could not find suitable PAM file to modify.${DEF}"; fi
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echo "-------------------------------------"
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# --- Final Summary ---
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echo -e "${BLU}[Step $((CURRENT_STEP +1))/$TOTAL_STEPS] Final checks and information (this is not an actual step increment).${DEF}"
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CURRENT_STEP=$TOTAL_STEPS # Ensure counter matches total for summary
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echo -e "${GRN}-----------------------------------------------------${DEF}"
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echo -e "${GRN} Alpine Linux Signage Setup Script Finished! ${DEF}"
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echo -e "${GRN}-----------------------------------------------------${DEF}"
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echo -e "${BLU} SUMMARY:${DEF}"
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echo -e " ${GRN}* User '$SIGNAGE_USER' created, added to 'video'/'input' groups.${DEF}"
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echo -e " ${GRN}* WayVNC configured with authentication (user: ${YLW}$WAYVNC_USERNAME${GRN}, pass: ${YLW}${WAYVNC_PASSWORD_TO_SET}${GRN}). Config: ${YLW}$WAYVNC_CONFIG_FILE${DEF}"
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echo -e " ${YLW} Self-signed TLS certs generated in ${WAYVNC_KEYS_DIR}. You may need to accept these in your VNC client.${DEF}"
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if [ "$WAYVNC_PASSWORD_TO_SET" = "changeme" ]; then
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echo -e " ${RED}CRITICAL: WayVNC password is 'changeme'. THIS IS INSECURE!${DEF}"
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fi
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echo -e " ${GRN}* Sway configured to launch Chromium Kiosk and WayVNC.${DEF}"
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echo -e " ${GRN}* Autologin via greetd and inittab configured.${DEF}"
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echo ""
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echo -e "${RED} !!! IMPORTANT !!!${DEF}"
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echo -e " ${RED}* If 'nomodeset' warning appeared, graphical kiosk WILL NOT WORK until fixed.${DEF}"
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echo -e " ${YLW}* Connect to VNC using user: ${GRN}$WAYVNC_USERNAME${YLW} and password: ${GRN}YOUR_SET_PASSWORD${DEF}"
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echo -e " ${YLW}The VNC server is listening on ${GRN}$WAYVNC_LISTEN_ADDRESS:$WAYVNC_PORT${DEF}"
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echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${DEF}"
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echo ""
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echo -e "${GRN} Please REBOOT the system for changes to take effect.${DEF}"
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echo -e "${GRN} Command: ${YLW}reboot${DEF}"
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echo ""
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echo -e "${BLU} TROUBLESHOOTING AFTER REBOOT:${DEF}"
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echo -e " ${BLU}1. Check user groups: ${GRN}groups $SIGNAGE_USER${YLW} (should include 'video', 'input')${DEF}"
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echo -e " ${BLU}2. Check Sway log: ${GRN}cat $SWAY_LOG_PATH_IN_GREETD${DEF}"
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echo -e " ${BLU}3. Check WayVNC config: ${GRN}cat $WAYVNC_CONFIG_FILE${DEF}"
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echo -e " ${BLU}4. Check WayVNC running: ${GRN}ps aux | grep wayvnc ; netstat -tulnp | grep :$WAYVNC_PORT${DEF}"
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echo -e " ${BLU}5. Manually test WayVNC (as $SIGNAGE_USER on TTY2, after stopping greetd & starting sway):${DEF}"
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echo -e " ${GRN}wayvnc${DEF}"
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echo -e "${GRN}-----------------------------------------------------${DEF}"
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exit 0 |