https://github.com/FredyH/GWSockets
put pksync.lua in lua/autorun/server/pksync.lua
and gmsv_gwsockets_linux.dll in lua/bin/gmsv_gwsockets_linux.dll
runs on tcp port 27057
sync_connect 123.123.123.123
must be at least 1 player on each server
bot_zombie 1 on all servers to prevent bots glitching around
also this code is trash so gl debugging it when it inevitably breaks