kazulog@sv1:~$ cat /etc/os-release | head -2
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
kazulog@sv1:~$ grep -n 'write_enable\|local_umask' /etc/vsftpd.conf
31:write_enable=YES
35:#local_umask=022
44:#anon_mkdir_write_enable=YES
kazulog@sv1:~$ sudo systemctl restart vsftpd