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Speed Test: what it measures, how to read Mbps vs MB/s, ping, steady-state average, the simultaneous-streams table; linked from the index beside the One-Time Pad. Controller > WiFi Hotspot: new Captive Portal section. What devices see when they join, the Continue step and tapping Done, the address line on the Control page and http://wrolpi/, the hotspot.captive_portal setting and its restart-to-apply rule, and that Docker has no hotspot. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
160 lines
4.2 KiB
Markdown
160 lines
4.2 KiB
Markdown
# System Actions
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The Controller provides administrative controls for system-wide operations.
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## Restart All Services
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Restarts all WROLPi services in sequence:
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1. wrolpi-api
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2. wrolpi-app
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3. wrolpi-help
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4. wrolpi-kiwix
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5. Other services as needed
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6. wrolpi-controller (restarts last)
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The Controller restarts itself last to ensure all other services are restarted first.
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**Use when:**
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- Services are unresponsive
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- After configuration changes
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- To clear stale state
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## Reboot System
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Reboots the entire WROLPi system. The system will:
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1. Stop all services gracefully
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2. Unmount filesystems
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3. Restart the operating system
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4. Boot and start all services
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The reboot process takes 1-3 minutes depending on hardware. After reboot, the system will
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be accessible at the same IP address (unless DHCP assigns a new one).
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**Use when:**
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- System is unstable
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- After system updates
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- Hardware changes require a fresh boot
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## Shutdown System
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Shuts down the WROLPi system completely. The system will:
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1. Stop all services gracefully
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2. Unmount filesystems
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3. Power off
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**Note:** Physical access is required to power the system back on.
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This feature is only available in native mode, not Docker.
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## WiFi Hotspot (Raspberry Pi)
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On Raspberry Pi, the Controller can manage a WiFi hotspot for direct device connections.
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### Hotspot Status
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- **Disconnected** - Hotspot is off
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- **Connected** - Hotspot is active, devices can connect
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- **In Use** - Devices are currently connected
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- **Unavailable** - WiFi hardware not available
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### Enabling the Hotspot
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1. Click **Enable Hotspot**
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2. The Pi will create a WiFi network
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Default hotspot settings:
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- **SSID:** WROLPi
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- **Password:** wrolpi hotspot
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- **Device:** wlan0
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### Disabling the Hotspot
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Click **Disable Hotspot** to turn off the WiFi access point. Connected devices will be
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disconnected.
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### When to Use Hotspot
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The hotspot is useful for:
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- Direct connection when no WiFi network is available
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- Field use without infrastructure
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- Initial setup before configuring WiFi
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### Captive Portal
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When a phone or laptop joins the hotspot, it checks for Internet access. The WROLPi answers
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that check with a welcome page instead, so the device shows a "Sign in to network" screen
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that reads:
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- **This is your WROLPi** and the address to open, for example `10.42.0.1`
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- A **Continue** button
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Tap **Continue**. The next page confirms you are connected and offers **Open WROLPi** and
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**Open the Controller**, which open in your normal browser. Tap **Done** in the corner of the
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sign-in screen to keep using the hotspot. The address is also shown under the hotspot button on
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the Controller's Control page, and `http://wrolpi/` reaches the WROLPi from any device on the
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hotspot.
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The welcome page does not give the device Internet access; it only tells the device the
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network is ready to use. Restarting the hotspot shows the page to every device again.
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**Turning it off:** uncheck **Captive portal** in **Hotspot Settings** and save. Like the
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other hotspot settings, the change applies the next time the hotspot starts, so restart the
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hotspot if it is already running. The setting is `hotspot.captive_portal` in
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`controller.yaml`.
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The captive portal is not available in Docker, because Docker has no hotspot.
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## CPU Throttling (Raspberry Pi)
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Control CPU performance and power consumption on Raspberry Pi.
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### Throttle Status
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Shows the current CPU governor:
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- **ondemand** - Normal operation, scales with demand
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- **powersave** - Reduced speed, lower power consumption
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- **performance** - Maximum speed (not recommended for sustained use)
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### Enable Throttle (Powersave)
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Switches to powersave mode:
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- Reduces CPU frequency
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- Lowers power consumption
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- Reduces heat generation
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- May slow down intensive operations
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**Use when:**
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- Running on battery power
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- Reducing heat in enclosed spaces
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- Minimizing power draw
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### Disable Throttle
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Returns to normal operation (ondemand governor):
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- CPU scales with workload
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- Full performance available when needed
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- Normal power consumption
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## Docker Mode Limitations
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The following system actions are not available in Docker deployments:
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- Shutdown
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- Reboot
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- WiFi hotspot control
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- CPU throttling
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These operations must be performed on the host system.
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