I'm using the version of Bitcoin-Qt 0.18.1 that comes with Flatpak. I've looked in the Bitcoin datadir, which is in ~/.var/app/org.bitcoincore.bitcoin-qt/data/ and there isn't any .cookie file there. This is preventing me from running Electrum Personal Server.

My Linux distro is MX Linux.

My bitcoin.conf is empty.

2 Answers 2


I ran bitcoind from Flatpak and it outputted the .cookie file


The GUI does not start the RPC server by default. To make sure the RPC server is running, pass the -server=1 flag on the command line or set server=1 in the Bitcoin Core config file.

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