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Created September 14, 2022 07:46
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Distributed Erlang with WSL in the mix
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README.md

Distributed Erlang with WSL

Checklist

  • Set the same erlang cookies (~/.erlang-cookie or :erlang.set_cookie :abc)

  • On the WSL machine, use ifconfig to find out the IP address of the WSL machine

  • Start nodes with FQDN using their IP address as hostname: iex --name main@[ip] -S mix [command]

  • On the WSL machine, run epmd -names to find the port of the erlang node that has just been started

  • On the WSL host, run these commands in powershell:

    netsh interface portproxy add v4tov4 listenport=[epmd port] listenaddress=0.0.0.0 connectport=[epmd port] connectaddress=[wsl ip]
netsh interface portproxy add v4tov4 listenport=[main node port] listenaddress=0.0.0.0 connectport=[main node port] connectaddress=[wsl ip]

    The first opened port is for epmd, the second port should be the port that epmd -names reported for the erlang node main@.... Be sure to replace the IP adresses with the one from the WSL machine.

  • On any of the erlang nodes, execute Node.connect :"main@192...." to connect to the other one. It should return true and Node.list() should show that node too.

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