Set up tftp server

Commands and Configuration

sudo apt-get install xinetd tftpd tftp
vim /etc/xinetd.d/tftp (* tftp是檔案)
service tftp
{
  protocol        = udp
  port            = 69
  socket_type     = dgram
  wait            = yes
  user            = nobody
  server          = /usr/sbin/in.tftpd
  server_args     = /tftpboot
  disable         = no
}


sudo mkdir /tftpboot
sudo chmod -R 777 /tftpboot
sudo chown -R nobody /tftpboot
sudo service xinetd restart

Verification Method

# below at  172.22.31.153
adv@adv-desktop3:/tftpboot$
adv@adv-desktop3:/tftpboot$ wget https://www.nxp.com/lgfiles/sdk/lsdk2012/firmware_ls1046ardb_uboot_qspiboot.img
--2021-08-20 16:59:59--  https://www.nxp.com/lgfiles/sdk/lsdk2012/firmware_ls1046ardb_uboot_qspiboot.img
Resolving www.nxp.com (www.nxp.com)... 104.116.5.240
Connecting to www.nxp.com (www.nxp.com)|104.116.5.240|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 52531420 (50M) [text/plain]
Saving to: ‘firmware_ls1046ardb_uboot_qspiboot.img’

firmware_ls1046ardb_uboot_qspibo 100%[========================================================>]  50.10M  2.43MB/s    in 21s

2021-08-20 17:00:20 (2.43 MB/s) - ‘firmware_ls1046ardb_uboot_qspiboot.img’ saved [52531420/52531420]

adv@adv-desktop3:/tftpboot$ ls
firmware_ls1046ardb_uboot_qspiboot.img  tftptest.txt
adv@adv-desktop3:/tftpboot$


# below at  172.22.31.142
adv@risc8:~/William$ tftp 172.22.31.153
tftp> get firmware_ls1046ardb_uboot_qspiboot.img
Received 52766307 bytes in 38.7 seconds
tftp> ls
?Invalid command
tftp> quit
adv@risc8:~/William$ ls
firmware_ls1046ardb_uboot_qspiboot.img  flexbuild_lsdk2012  flexbuild_lsdk2012.tgz  tftptest.txt
adv@risc8:~/William$