0844adbcbe
<message>Modify the first-boot.sh script to include an additional step for managing screen brightness during the provisioning process. Update user-data.bootstrap to improve DNS configuration by ensuring NetworkManager manages /etc/resolv.conf correctly, and remove obsolete scripts related to systemd-resolved. Enhance documentation to reflect these changes and clarify the setup process for users, improving overall network boot functionality and user experience.
66 lines
2.1 KiB
Bash
66 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Test buzzer so screen-brightness daemon raises backlight (ALERT) and holds
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# during COOLDOWN. Holds buzzer ON for 3+ seconds so the daemon's 2s poll sees it.
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#
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# reTerminal DM: /sys/class/leds/usr-buzzer/brightness (0 = off, 1 = on)
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# Run as root: sudo ./test-buzzer-brightness.sh
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set -e
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BUZZER="/sys/class/leds/usr-buzzer/brightness"
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MAX="/sys/class/leds/usr-buzzer/max_brightness"
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if [[ ! -f "$BUZZER" ]]; then
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echo "ERROR: Buzzer not found at $BUZZER" >&2
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exit 1
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fi
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if [[ "$(id -u)" -ne 0 ]]; then
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echo "Run as root: sudo $0" >&2
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exit 1
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fi
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# Quick check: is the daemon running? (so we know what to expect)
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echo "--- Pre-check ---"
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if systemctl is-active --quiet screen-brightness.service 2>/dev/null; then
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echo " screen-brightness.service: active"
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if [[ -f /run/screen-brightness/state ]]; then
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echo " Current state:"
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sed 's/^/ /' /run/screen-brightness/state
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else
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echo " (no /run/screen-brightness/state yet)"
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fi
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echo " Recent logs:"
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journalctl -u screen-brightness.service -n 3 --no-pager 2>/dev/null | sed 's/^/ /' || true
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else
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echo " screen-brightness.service: NOT ACTIVE — start it with: sudo systemctl start screen-brightness.service"
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echo " Brightness will not change until the daemon is running."
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fi
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echo ""
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# Hold buzzer ON for 3 seconds so the daemon's 2s poll interval will see it
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ON_VAL=255
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if [[ -f "$MAX" ]]; then
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ON_VAL="$(cat "$MAX" 2>/dev/null || echo 255)"
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fi
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echo "Beeping: 3 short beeps, then buzzer ON for 3 s (watch brightness go to 5)..."
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for i in 1 2 3; do
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echo "$ON_VAL" > "$BUZZER"
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sleep 0.15
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echo 0 > "$BUZZER"
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sleep 0.25
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done
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echo "$ON_VAL" > "$BUZZER"
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sleep 3
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echo 0 > "$BUZZER"
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echo "Buzzer off. Brightness should stay at 5 for ~10 s (cooldown), then return to ambient."
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echo ""
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echo "--- After (check state and logs) ---"
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if [[ -f /run/screen-brightness/state ]]; then
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echo " State:"
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sed 's/^/ /' /run/screen-brightness/state
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fi
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echo " Recent logs:"
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journalctl -u screen-brightness.service -n 8 --no-pager 2>/dev/null | sed 's/^/ /' || echo " (no logs or service not running)"
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