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These are instructions on how to set up the Gumband OS Monitor on a linux host machine.

Setup

  • Download the Gumband OS Monitor zip file at the bottom of this page, and extract its contents to a place that is unlikely to be touched.

  • Create an exhibit in the Gumband UI, and get an exhibit token and id.

  • Add a .env file to the same directory that the gumband-os-monitor-linux-x64 file is and add the exhibit token and id from the previous step:

    EXHIBIT_TOKEN=02b6903aece21b6sff520ac92dcba457
EXHIBIT_ID=1

# If the Gumband UI you're connecting to is not app.gumband.com, you'll 
# need to add two more environment variables here:
# ENDPOINT=custom               <----- indicates a custom IP
# CUSTOM_IP=other.gmbnd.com     <----- defines an endpoint that isn't app.gumband.com

  • Give the gumband-os-monitor-linux-x64 file execution permission.

  • The user profile that is running the OS Monitor will need to be granted administrator (sudo) privileges for the shutdown command, so that the OS Monitor can reboot the machine on demand. Create a new file in /etc/sudoers.d called shutdown with the following command:

    sudo visudo -f /etc/sudoers.d/shutdown

    That command will ensure that the shutdown file is created with the correct permissions. Edit the file to be:

    <USER> ALL=NOPASSWD: /sbin/shutdown

    Where <USER> should be the name of the user running the gumband os monitor. This whitelists the shutdown command for the user provided.

  • Use the Startup Application to run the gumband-os-monitor-linux-x64 executable when the machine boots and the user logs in:

    • Create a bash script with the following contents:

      #!/bin/sh
cd ${path-to-gumband-os-monitor};

./gumband-os-monitor-linux-x64

      The script must cd to the appropriate directory so the OS Monitor has access to the .env file.

    • In the Startup Application, create a new startup program and set it to run the bash script:

      bash ${path-to-gumband-os-monitor}/script.sh

  • Ensure that scrot is installed (a linux, command-line screenshot application). Run which scrot to check if it is installed.

Testing

Zip Download

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