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Mention creating swap space #433

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Aug 16, 2021
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Mention creating swap space #433

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13 changes: 10 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,7 @@ nano settings.json
| showBrightness | 1 | Display the brightness level in the overlay? |
| darkframe | 0 | Set to 1 to enable dark frame capture. In this mode, overlays are hidden. |
| notificationimages | 1 | Set to 0 to disable notification images, e.g., "Camera off during day" if daytime images are not being taken. |
| debuglevel | 0 | Determines the amount of output in the log file (usually /var/log/allsky.log). |

The second file called **config.sh** lets you configure the overall behavior of the camera. Options include functionalities such as upload, timelapse, dark frame location, keogram.

Expand Down Expand Up @@ -172,7 +173,7 @@ nano config.sh
| REMOVE_BAD_IMAGES_THRESHOLD_HIGH | 90 | Images whose mean brightness is above this percent will be removed (max: 100) |
| UHUBCTL_PATH | n/a | If you have the "uhubctl" command installed (it resets the USB bus), enter its path name |
| UHUBCTL_PORT | n/a | Enter the USB port the camera is on. Port 1 is USB 2.0 and port 2 is USB 3.0 |
| IMG_DIR | allsky | Location of the image the website will use. "allsky" is /var/www/html/allsky. Set to "current" to use /home/pi/allsky. |
| IMG_DIR | allsky | Location of the image the website will use. "allsky" is /var/www/html/allsky and "current" is /home/pi/allsky. |
| IMG_PREFIX | liveview- | An optional prefix on the website image file name, before "image.jpg" (or whatever your image is called) |
| CAMERA_SETTINGS_DIR | /etc/raspap | Path to the camera settings file |
| CAMERA_SETTINGS | /home/pi/allsky/settings.json | Name of the camera settings file. **Note**: If using the GUI, this path will change to /etc/raspap/settings.json |
Expand Down Expand Up @@ -332,6 +333,11 @@ Example to generate a timelapse manually:
./scripts/timelapse.sh 20190322
```

**Note:** If you unable to create a timelapse (typically it just dies part way through),
try creating or increasing the swap space. 2 GB is a good amount.
See https://pimylifeup.com/raspberry-pi-swap-file/ for details.
This is especially true for Rasberry Pi 3 users who have less RAM memory than a Raspberry Pi 4.

## Keograms

![](http://www.thomasjacquin.com/allsky-portal/screenshots/keogram-annotated.jpg)
Expand Down Expand Up @@ -473,14 +479,15 @@ If you've built an allsky camera, please send me a message and I'll add you to t
* Improved exposure transitions between day and night so there's not a huge change in brightness.
* Decrease in ZWO sensor temperature.
* Lots of new settings, including splitting some settings into day and night versions.
* Error checking and associated log messages added in many places.
* Error checking and associated log messages added in many places to aid in debugging.
* Ability to have "notification" images displayed, such as "Allsky is starting up" and "Taking dark frames".
* Ability to set size uploaded images are resized to.
* Ability to resize uploaded images to a user-specified size.
* Ability to set thumbnail size.
* Ability to delete bad images (corrupt and too light/dark).
* Ability to set an image file name prefix.
* Ability to reset USB bus if ZWO camera isn't found (requires "uhubctl" command to be installed).
* Ability to specify format of time displayed on image and temperature displayed in Celcius, Fahrenheit, or both.
* Ability to set bitrate on timelapse video.

## Donation

Expand Down