Linux under FTP create virtual account Db_load

Linux_ftp Configure virtual User issues
Execute db_load-t-T hash-f login.txt/etc/vsftpd/vsftpd_login.db times wrong
-bash:db_load-t-T hash-f login.txt/etc/vsftpd/vsftpd_login.db:no such file or directory
Db_load should create a virtual account under Linux:

Option-T allows applications to be able to translate text files into the database because our virtual user information files are stored in the file. You must use options to enable VSFTPD applications to load user data through text

Specified option-T to append child options-T; sub-t append-T to specify the type of translation load database

-F parameter surface contains user name and password text file contents: Odd line User name, even line password

Hash encrypted with hash code

Db_load-t-T hash-f/etc/vsftpd/virtual.txt login.db configured VSFTP environment under Linux to ensure that the Db_load command uses user text information files to convert DB databases and use hash encryption

"Note: You need to install db4-utils to have this command, with the command: Yum install db4*"