First we need to check Ubuntu version
lsb_release -a
Then we go to help menu in right version
https://help.ubuntu.com/14.04/serverg...
1) sudo apt-get install vsftpd
2) edit /etc/vsftpd.conf:
write_enable=YES
3) sudo restart vsftpd
Using ftp client such as firftp,
existing users can ftp access to their home directory.
My blog:
http://jiansenlu.blogspot.com