Technical Tip: How to install TFTP server on Ubuntu Server 20.04 and using the TFTP server for FortiADC firmware version CLI upgrade path

Prerequisite:

• FortiADC has network reachability to the Ubuntu server.
• Have root or SUDO privileges on the Ubuntu server.

1. Install the TFTP server on the Ubuntu Server using cthe ommands below.

sudo apt update

sudo apt install tftpd-hpa

2. Check if the TFTP server is successfully installed and running.

sudo systemctl status tftpd-hpa.service

3. Using the text editor such as 'vi' or 'nano' to open the TFTP server configuration file.

sudo vi /etc/default/tftpd-hpa

4. Leaving the TFTP server configuration as default. The TFTP server has the default path as '/srv/tftp'. Use third-party SFTP/SCP tools such as 'WINSCP' to transfer the firmware image file to the Ubuntu server’s TFTP path.

5. To verify the firmware image file, use the md5sum command to check the image file integrity.

md5sum /srv/tftp/FAD_KVM-V700-buildXXX-FORTINET.out

6. Log into the FortiADC SSH/CLI using the admin credential and run the command to upgrade the firmware version.

execute restore image tftp /FAD_KVM-V700-buildXXXX-FORTINET.out 10.123.123.123

7. After the FortiADC is upgraded and rebooted, log into the Web GUI and check for the System Event log for the upgrade status update.

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