Question: are .so extensions supported in Arma2 on Linux? Wiki says it is supported in Arma3, does this mean that the extension code has not been/will not be backported to Arma2?
Right now the DayZ mod can only run on Linux with a hack that replaces the hive interaction with, well, listening to diag_log messages in the server output and writing sqf files as a response. As you can imagine, this is not nice performance wise. A native hive port is not possible without loadable .so support in the Linux server engine.