Added first version of the script
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phil committed
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#!/usr/bin/env bash
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set -euo pipefail
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die() { echo "ERROR: $*" >&2; exit 1; }
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warn() { echo "WARNING: $*" >&2; }
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[[ "${EUID}" -ne 0 ]] || die "Run as your regular user, not sudo."
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command -v firefox >/dev/null 2>&1 || die "Firefox is not installed or not in PATH."
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command -v systemctl >/dev/null 2>&1 || die "systemctl is not available."
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read -r -p "Enter the display location (e.g. Lobby): " LOCATION
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LOCATION="$(
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printf '%s' "$LOCATION" |
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tr '[:lower:]' '[:upper:]' |
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sed -E 's/[ _]+/-/g; s/[^A-Z0-9-]//g; s/-+/-/g; s/^-|-$//g'
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)"
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[[ -n "$LOCATION" ]] || die "Location can't be empty."
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HOSTNAME="DISPLAY-NVR-$LOCATION"
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[[ ${#HOSTNAME} -le 63 ]] || die "Hostname too long: $HOSTNAME"
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read -r -p "Enter the NVR server URL (default: http://192.168.25.248): " URL_INPUT
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URL="${URL_INPUT:-http://192.168.25.248}"
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[[ "$URL" =~ ^https?:// ]] || die "URL must start with http:// or https://"
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read -r -p "Enter daily reboot time in HH:MM format (default: 06:00): " REBOOT_TIME
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REBOOT_TIME="${REBOOT_TIME:-06:00}"
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[[ "$REBOOT_TIME" =~ ^([01][0-9]|2[0-3]):[0-5][0-9]$ ]] || die "Invalid time format."
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APP_DIR="$HOME/.local/bin"
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AUTOSTART_DIR="$HOME/.config/autostart"
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XORG_CONF_DIR="/etc/X11/xorg.conf.d"
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LAUNCHER="$APP_DIR/launch-nvr.sh"
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DESKTOP_FILE="$AUTOSTART_DIR/launch-nvr.desktop"
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CONFIG_FILE="$HOME/.config/nvr-display.conf"
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mkdir -p "$APP_DIR" "$AUTOSTART_DIR" "$HOME/.config"
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cat > "$CONFIG_FILE" <<EOF
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HOSTNAME=$HOSTNAME
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URL=$URL
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REBOOT_TIME=$REBOOT_TIME
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SETUP_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
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EOF
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chmod 600 "$CONFIG_FILE"
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cat > "$LAUNCHER" <<EOF
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#!/usr/bin/env bash
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set -euo pipefail
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URL="$URL"
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cleanup() {
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rc=\$?
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if [[ \$rc -ne 0 ]]; then
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echo "Firefox launcher exited with code \$rc" >&2
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fi
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}
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trap cleanup EXIT
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if command -v xset >/dev/null 2>&1 && [[ -n "\${DISPLAY:-}" ]]; then
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xset s off || true
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xset -dpms || true
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xset s noblank || true
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fi
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exec firefox --kiosk "\$URL"
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EOF
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chmod 700 "$LAUNCHER"
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cat > "$DESKTOP_FILE" <<EOF
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[Desktop Entry]
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Type=Application
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Name=Launch NVR Display
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Exec=$LAUNCHER
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Terminal=false
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X-GNOME-Autostart-enabled=true
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X-MATE-Autostart-enabled=true
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StartupNotify=false
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NoDisplay=false
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Comment=Automatically launch NVR display in kiosk mode
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EOF
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chmod 644 "$DESKTOP_FILE"
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echo
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echo "User-level setup complete:"
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echo " Launcher: $LAUNCHER"
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echo " Autostart: $DESKTOP_FILE"
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echo " Config: $CONFIG_FILE"
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echo
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read -r -p "Continue with system-level changes (hostname, reboot timer)? [y/N] " -n 1 CONFIRM
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echo
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[[ "$CONFIRM" =~ ^[Yy]$ ]] || exit 0
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echo "Setting hostname to: $HOSTNAME"
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sudo hostnamectl set-hostname "$HOSTNAME" || warn "Failed to set hostname."
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echo "Installing daily reboot timer for $REBOOT_TIME..."
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sudo tee /etc/systemd/system/nvr-daily-reboot.service >/dev/null <<'EOF'
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[Unit]
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Description=Reboot NVR display computer
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[Service]
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Type=oneshot
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ExecStart=/usr/bin/systemctl reboot
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EOF
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sudo tee /etc/systemd/system/nvr-daily-reboot.timer >/dev/null <<EOF
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[Unit]
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Description=Reboot NVR display computer daily at $REBOOT_TIME
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[Timer]
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OnCalendar=*-*-* $REBOOT_TIME:00
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Persistent=true
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Unit=nvr-daily-reboot.service
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AccuracySec=1s
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[Install]
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WantedBy=timers.target
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EOF
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sudo systemctl daemon-reload
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sudo systemctl enable --now nvr-daily-reboot.timer || warn "Failed to enable reboot timer."
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if sudo systemctl is-active --quiet nvr-daily-reboot.timer; then
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echo "Reboot timer is active."
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else
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warn "Reboot timer may not be active."
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fi
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echo
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echo "=== Setup Complete ==="
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echo "Hostname: $HOSTNAME"
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echo "NVR URL: $URL"
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echo "Daily reboot: $REBOOT_TIME"
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echo
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echo "Next steps:"
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echo "1. Reboot to test autostart: sudo reboot"
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echo "2. Verify Firefox opens in kiosk mode"
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echo "3. Check timer: systemctl list-timers nvr-daily-reboot.timer"
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echo "4. View logs: journalctl -u nvr-daily-reboot.service -f"
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