SCP error while loading shared libraries: libpthread.so.0: wrong ELF class: ELFCLASS64.

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Issue:

Trying to upgrade or flash the 8200-switch to version RDR10010bufi.bin using the SCP (Secure Copy Protocol)  but getting an error message: "scp: error while loading shared libraries: libpthread.so.0: wrong ELF class: ELFCLASS64.  

Using servers for SCP upgrade on the switches. 

Command used to flash the Switch: "scp RDR10010bufi.bin fdp@x.x.x.x: flash: primary".  

Executing the command from the folder containing the firmware image on the local (Ubuntu) server.

Solution: 

SCP push/pull from server is not allowed anymore. 
SCP must be initiated from FI CLI only. This was a design/security change in 9.x/10. x. 
SCP push/pull is being purposefully blocked in 9.x/10. x. It will not be added back in and was blocked as a security consideration. 

 We can use SCP via CLI with the help of the commands below. 

 copy scp flash x.x.x.x RDR10010bufi.bin primary  

 copy scp flash x.x.x.x RDR10010bufi.bin secondary 

Link: 
https://support.ruckuswireless.com/documents/4298-fastiron-10-0-00-ga-software-upgrade-guide