P.S
Sorry mate, but for general question you have the general ansver..... you need to be more specific
To explain from the scrach what you asking to explain, have to write the whole book
Factors to consider:
1 what do you mean under " Lynux"? ((both computers op systems) buisybox is running kind of Linux as well))
2 network set up ( router, firewall)
3 only then remote access
4 loading a gamma file to programmer which is unknown ( besides how many Gamma loaders have you seen for Linux? :) )
5 and only the finding the right file for whatever package
P.P.S even with good knowledge of networking under Linux the task is quite complex :)