Experimental Physics and Industrial Control System
Dear Amit
I think the problem is that ‘vsftpd’ FTP service - it likely requires authentication, security, protocols the VME machines are not up to.
Here at LIGO, we successfully transitioned some really old VME/VxWorks machines from a Solaris file server to [eventually] an Ubuntu 12.04LTS machine running nfs-kernel-server and rsh-redone-server. We enter the machine in an rhosts table.
My limited check of ‘vsftpd’ says it is ‘Very Secure FTP Daemon’ I would start by using a more vanilla server like nfs-kernel-server
Keith Thorne
> On Sep 1, 2017, at 7:12 AM, Amit Chauhan <[email protected]> wrote:
>
> Hello,
>
> This is regarding use of FTP server on a Linux (Ubuntu) PC.
>
> I am trying to use an Ubuntu 14.04 PC as an FTP server by using the 'vsftpd' application.
> The client is a VME based CPU running vxWorks that needs to download kernel image over FTP.
>
> This client is getting served when I am using a Windows based FTP server.
>
> But somehow the FTP connection is not getting established between the VME client and Ubuntu based server.
>
> The error messages I get on client side are like :
> FTP Transfer Failed
> Error Code = 0x3d (ECONNREFUSED)
>
> I googled about the problem and tried a few suggestion of making changes in the vsftpd.conf file , but to no avail.
>
> Also I do not see any entry in the log file on the server (/var/log/vsftpd.log)
>
> The FTP service seems to be running on the PC as I get a task ID. Also when I type the command 'ftp <self IP-address>' in a terminal , I get the 'ftp>' prompt.
>
> Has anybody successfully used the vsftpd on Ubuntu (or Linux in general) PC to server an external VME like client ?
>
> Thanks,
> Amit
>
>
------
Keith Thorne <[email protected]>
CDS Software Engineer
LIGO Livingston Laboratory
Livingston, LA 70754
Phone: (225)686-3168 Fax: (225)686-7189
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