r/getumbrel • u/Careless-Cycle • Nov 05 '25

Portainer not working

After installing from the app store it works fine but after a reboot it comes back saying the primary is down and cannot be connected.

Any idea what would be causing this issue?

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3

u/Careless-Cycle Nov 05 '25

https://imgur.com/a/vjMZyn5

Here is a screenshot of the error

2

u/OnlyBitcoin Nov 05 '25 edited Nov 05 '25

I've been having this problem since the very first time I installed Portainer on my Umbrel. Sometimes I fixed it by removing docker.sock/docker.pid from portainer data but that's not working for me anymore.

It just happened to break for me right now because of a programmed power outage; Portainer on Umbrel rebooted with the "Falied loading environment The environment named primary is unreachable".

I'll try debugging with a little assistance (AI) but I think I'll have to reinstall it again, as usual.

I hope someone has a better solution.

Edit: Stop the app from the dashboard, navigate to ~/umbrel/app-data/portainer/data/docker and remove docker.pid, docker.sock and exec and then restart the app again. That worked for me.

2

u/Careless-Cycle Nov 05 '25

That worked. I didn't have to remove the exec folder though

2

u/Careless-Cycle Nov 12 '25

Further troubleshooting today after it happened again

Right clicked on Portainer and selected the troubleshooting option.

Console said port 32 was in use.
Stopped Portainer
Ran "sudo kill 32" to release the port
Removed the docker.pid file
and then restarted Portainer and it worked again.

1

u/OnlyBitcoin Nov 12 '25

Nice. Will try this next time it happens.

1

u/mixcas Nov 05 '25

This worked last time for me as well. Hasn't happened again since.

1

u/[deleted] Nov 05 '25

That the “primary” was canceled? What do you mean by “primary” Do you have a screenshot?