Most of your questions can be answered by reading "perldoc perlipc" (or perlIPC TCP sockets) and trying things out.

If you have an actual problem or issue understanding a concept, or error, please post back here, and we will be happy to assist.

Specifically:

• Do I have to always run below server script on server end? : YES, if yo want it to be available to connect to.
• Is there any way to run server script remotely? : ssh on Linux, psexec on WIndows
• Is there any way to pass data across the machine running both server and client script at one machine only?: YES - use "localhost". Your code already has that.

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