StellarMate OS

StellarMate OS includes all the software required to operate your equipment provided as an OS Image File (.img) ready to be copied to Raspberry PI 3.
StellarMate OS
Sales price $49.00
Tax amount
StellarMate OS
StellarMate OS
StellarMate OS

For experienced users who already own a Raspberry PI 3 unit, StellarMate OS is a complete software package ready for deployment on your RPI3. It is provided as an OS Image file (.img) that you can burn to an SD card and fire it up immediately to enjoy the full benefit of StellarMate software stack. The following packages are included in addition to the base OS:

  • INDI
  • KStars/Ekos
  • with index files.
  • StellarMate Web Manager.
  • StellarMate Network Manager.
  • StellarMate Serial Port Assistant.


  • Raspberry PI 3
  • 8GB MicroSD. A 16GB+ Class 10 MicroSD card is highly recommended.


After your purchase, you will receieve a link in the email to download the file. Since the file size is ~2.7 GB, it is highly recommended to use a dedicated download manager to download the file. After you download the file (, verify its integrity by computing its hash. Use Quick Hash GUI to verify the integrity of the image file. The following are MD5 and SHA256 hashes of the zip file:

  • MD5:754112d6a222868bbfbcc87b75bbcdb1
  • SHA256: 5baaf6aba5ecf12cbdf18746c609fd20475b1960a9c426566480559fdbf38f1a


Etcher is a graphical SD card writing tool that works on Mac OS, Linux and Windows, and is the easiest option for most users. Etcher also supports writing images directly from the zip file, without any unzipping required. To write your image with Etcher:

  • Download Etcher and install it.
  • Connect an SD card reader with the SD card inside.
  • Open Etcher and select from your hard drive the StellarMate .zip file you want to write to the SD card.
  • Select the SD card you wish to write your image to.
  • Review your selections and click 'Flash!' to begin writing data to the SD card.

Boot up

Once the image is burned to the card, insert the microSD card into Raspberry PI3 and power it up.

Note: StellarMate can take up to 2 minutes before switching to HotSpot mode on first startup.

First Time Setup

If the Raspberry PI3 is not connected to a LAN via an Ethernet cable, it can take up to 90+ seconds before StellarMate switches to HotSpot (Access Point) mode. Login to StellarMate either directly via HDMI, VNC, or via SSH (port 5624). From the StellarMate desktop, click the console icon and a terminal shall be opened. Run the following command:

sudo raspi-config

You shall be prompted for password. The default password is smate. Now you will see a menu like this:

raspi config 1

Use keyboard to navigate the menu. Use Arrow Keys to go down to option #5 Advanced Options then click Tab Key and Select shall be highlighted, now click Enter. Another menu is now displayed:

raspi config 2

The first option is already highlighted A1 Expand File System. Click Tab to select Select then press Enter.  You should get a confirmation message:

raspi config 3

Press Enter to go back to the previous menu. Press Tab to select Finish. Press Enter.

raspi config 4

Now you will be asked to confirm rebooting now, press Enter to reboot.


raspi config 5

After restart StellarMate, the OS shall have access to the complete SD card storage.

Warning! you must run raspi-config in order for StellarMate to make use of the complete SD card storage capacity.



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