Question: vsftpd how to enable sftp?
Answer: Install and Configure VSFTPD / SFTP on CentOS 7. ...  Now that the vsftpd application is installed; edit configuration file /etc/vsftpd/vsftpd.conf and set the following settings as follows. ...  Now add the following to the same file mentioned above. ...  Save and exit the file. ...  Restart the vsftpd service.