sudo apt install tftpd-hpa -y
sudo vim /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa
TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/var/lib/blast"
TFTP_ADDRESS=":69"
TFTP_OPTIONS="--secure --create"
sudo systemctl restart tftpd-hpa.service
sudo mkdir /var/lib/blast
sudo chmod -R 777 /var/lib/blast
sudo chown -R nobody:nogroup /var/lib/blast