Situation

When I send DataSet file on windows to Ubuntu-server using FTP service.

Error log

...
200 PORT command successful. Consider using PASV.
550 Permission denied.

Solution[1]

In ubuntu, edit the vsftpd.conf

sudo vi /etc/vsftpd.conf

...
write_enable=YES
...

:wq

sudo service vsftpd restart
Reference

1. Fixing the VSFTPD 550 Permission Denied Error, DevOperations, Write:2011.01.01, attach:2022.07.19, https://whiteglass.tistory.com/12