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FixHub Web Console Connection Error on Ubuntu(Solved: user permission)

I was encountering a "Connection error" when trying to connect my FixHub Smart Soldering Iron to the web console at ifixit.com/fixhub/console. I am running Ubuntu 24.04.2 LTS and using the latest Google Chrome browser.

The error message stated: "Make sure you do not already have another connection open and try again."

I tried the following troubleshooting steps without success:

  • Fresh boot with no other applications or browser tabs open.
  • Tried multiple USB ports.

The solution that worked for me was adding my user account to the dialout group. I used the command: sudo usermod -a -G dialout <username> (replacing <username> with my actual username). After running this command and then logging out and back in, I verified I was added to the group using groups <username> and was then able to connect to the web console successfully after a reboot.

This seems to be a common permission issue on Linux systems for accessing serial ports.

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I forward your insight to the iFixit team. Thank You!

Its this type of effort that makes iFixit great!

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Thank you for sharing your solution.

In Chromium on Raspberry Pi OS the FixHub Web Console worked right out of the box.

In Arch Linux it didn't work in Chromium, but it worked in the Vivaldi browser

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Solid fix. Great job ; )

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Ugh, Yes. Linux doesn't give permissions to access serial ports to users by default. We'll look into maybe detecting linux from the browser and suggesting this.

Thank you for reminding us!

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Adding a guide for accessing the FixHub Web Console from Linux is probably a good idea; Most makers and fixers, I know, use Linux

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I can confirm that this method indeed solves the issue.

Please receive these 5 internet points : )

{ * * * * * }

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@georgesymeou, thanks so much for taking the time to share your troubleshooting steps — and I’m really glad to hear you were able to get it working.

I’ve passed this along to our FixHub team so they can review and possibly add a note about it in our documentation.

Really appreciate your patience and the effort you put into trying different things to get this sorted out.

If anything else comes up or you run into any other issues, feel free to drop a comment here — we’re keeping an eye on this thread and will take a look right away. Thanks again!

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George Symeou will be eternally grateful.
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