Debian 9: Install tftpd-hpa for TFTP server

Install tftpd-hpa package. /srv/tftp is used for TFTP server directory.

$ sudo apt install -y tftpd-hpa
$ sudo systemctl enable tftpd-hpa
$ sudo systemctl restart tftpd-hpa

Install tftp-hpa package.

$ sudo apt install -y tftp-hpa

Put file to /srv/tftp.

$ echo "hello" | sudo tee /srv/tftp/hello.txt

Get file with tftp from TFTP server.

$ echo "get hello.txt" | tftp 127.0.0.1
tftp> get hello.txt
tftp>
$ cat hello.txt
hello