<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">This error indicates that something is wrong with the setup of the OS on which you are running DevStack, or with the VM on which you are running the OS. Especially, if you install DevStack on a VirtualBox VM.<div><br></div><div>Google for “<i style="background-color: rgba(255, 255, 255, 0);">Error creating textual authentication agent: Error opening current controlling terminal for the process” </i>and pick the result that best matches your situation.</div><div><div><div><br><div>Bernd</div><div><br>On Jan 20, 2018, at 1:16, <<a href="mailto:xiefp88@sina.com">xiefp88@sina.com</a>> <<a href="mailto:xiefp88@sina.com">xiefp88@sina.com</a>> wrote:<br><br></div><blockquote type="cite"><div>Error creating textual authentication agent: Error opening current controlling terminal for the process</div></blockquote></div></div></div></body></html>