Some students may make the following mistakes when using FRP:
./frpc: cannot execute binary file: Exec format error
The error is due to a mismatch between the system architecture of the DOWNLOADED FRP and the system architecture of the installed environment. At this time, you just need to download and install the FRP of the corresponding system architecture for installation.
system architecture can be seen in this blog:
how to view the architecture of Linux system
take a look at the architecture of Linux supported by FRP: