kazulog@sv1:~$ cat /etc/os-release | head -2
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
kazulog@sv1:~$ cat /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa

TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/srv/tftp"
TFTP_ADDRESS=":69"
TFTP_OPTIONS="--secure --create"
kazulog@sv1:~$ sudo systemctl restart tftpd-hpa
kazulog@sv1:~$ ls -ld /srv/tftp
drwxr-xr-x 2 root nogroup 4096 Sep 12 10:01 /srv/tftp