Felix Weis

The issue is that `sudo` is not available. Should not be necessary since docker user is usually root during the build phase. Simple check if we are root and ommit...

Apparently the plugin doesn't work if in the `grin-miner.toml` `USE_DEVICE = 0` not commented, even tough `ls /dev/nvidia*` shows the device as 0th. The default settings work but not if...

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