1. sudo apt-get install tftpd-hpa
2. vim etc/default/tftpd-hpa
TFTP_USERNAME="tftp"
#TFTP_DIRECTORY="/var/lib/tftpboot"
#TFTP_DIRECTORY="/root/rt5350/RT288x_SDK/source/images"
TFTP_DIRECTORY="/root/rt5350"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="--secure --create --listen --verbose"
3. so, we can using remote tftp client sent command test it like following:
ralink is tftp-hpa client ubuntu is tftp-hpa server
a. put the ralinke file "test.bin" to ubuntu
command: tftp -p -l test.bin -r name.bin 10.10.10.152
b. get the ubuntu file "test.bin" to ralink
command: tftp -g -r test.bin -l name.bin 10.10.10.152