Linux PC：如何让其他Linux设备复制文件

My application running under Linux creates four to seven data files in a directory whose name includes the client and datetime.These need to be copied by other devices - usually a Linux PC/laptop and potentially an Android phone. Currently the copying is done via a cable connection. I now need to make this wireless and more secure. The solution seems to be to run my PC as an FTP server and allow others to login to pull off the files. Ideally this should be coded in Python 2.7 although 'C' could be an option.My application running under Linux creates four