Page Comparison

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• Download the Gumband OS Monitor zip file at the bottom of this page, and extract its contents to put in 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:

  Code Block
  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 with chmod +x gumband-os-monitor-linux-x64

• Create a script to run the os monitor from systemd: vi startup.sh

#!/bin/sh

//This value may differ depending on the host machine
export DISPLAY=:0;

cd /path/to/gumband-os-monitor;
./gumband-os-monitor-linux-x64

• Make that script executable: chmod +x startup.sh

• Create a systemd daemon for this user with

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[Unit]
Description=Gumband OS Monitor
[Service]
Type=simple
TimeoutStartSec=0
ExecStart=bash /path/to/startup/script
[Install]
WantedBy=default.target

• Enable the daemon with: systemctl --user enable gumband-os-monitor.service

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

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• Reboot the PC. When it boots up, the OS Monitor should show as online in the Gumband UI:

  Image Removed

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• Check that taking screenshots is functioning. Click the "Take Screenshot" button on the "Control" tab in Gumband. It should upload a screenshot to the "Files" tab.

• Check that the reboot control is working. Click the "Reboot" button on the "Control” tab in Gumband. The host machine should reboot.

Troubleshooting

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This problem occurs because the os-monitor doesn’t have access to the $DISPLAY environment variable, since it is running as a daemon. To fix this, add the environment variable to the daemon through your startup.sh script:

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Zip Download

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