kazulog@sv1:~$ cat /etc/os-release | head -2
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
kazulog@sv1:~$ sudo chown tftp:tftp /srv/tftp
kazulog@sv1:~$ ls -ld /srv/tftp
drwxr-xr-x 2 tftp tftp 4096 Sep 12 10:01 /srv/tftp