Copy from IOS to jumphost or linux server:
Router>
Router> Enable
Router# copy flash://scptestfile.txt scp://kevin:PWGOESHERE@172.22.144.123/copyofscpfile.txt
Copy the other way, jumphost/linux server to Cisco IOS device:
securelinux2~$ scp scptestfile.txt kevin@tpa1-critical-ios-rooter:flash:/scptestfile.txt