How to create FTP Account on Ubuntu

Create a FTP user group. eg: ftpaccounts
#/usr/sbin/groupadd ftpaccounts

Add a new user to this group, and set the default path of that user to /home/user/.
#/usr/sbin/adduser -g ftpaccounts -d /home/user/ testuser

Set a password for the newley created user.
#passwd testuser

Set ownership of /home/user to the testuser and ftpaccounts.
#chown testuser:ftpaccounts /home/user

Give Read/Write access to testuser and all members in ftpaccounts
#chmod 775 /home/user

Edit /etc/vsftpd/vsftpd.conf file and make sure 'local_enable=YES' is uncommented.

Restart the vsftpd service.
#/etc/init.d/vsftpd restart