FTP problems

[Francis King]

Hello.

I'm having problems with FTP - reading other comments, part of a very long story.

I have set up an FTP client and an FTP server on my Windows 11 laptop, and also on the Raspberry Pi.

I can FTP from the Windows 11 laptop to the Raspberry Pi, and vice versa. What I can't do it to FTP between the Windows 11 laptop and the PiDP-10, running ITS, in either direction.

• Trying to FTP from the PiDP-10 to the Windows 11 laptop connects, but fails when trying to do a directory listing.
• Trying to FTP from Windows 11 to the PiDP-10 conects, but doesn't go anywhere. Eventually the connection is closed by the remote host.

When my PiDP-10 boots, it makes an error message: DETACHED JOB -> 4, USR:TARAKA CNAVRL 15:02:15. The book says (page 88 onwards), that the error message involves COMSAT. Mine doesn't, it says CNAVRL.

Is there a good way to get text files on and off PiDP-10 at this time?

[Eric Swenson]

Are you able to FTP from your Raspberry Pi and ITS?  If not, that is where you need to start.  FTPing from your Windows Machine through your Raspberry Pi to your ITS may require some firewall/routing setup.

Regarding your detached job issue, the actual program being run is COMSAT (.MAIL.;COMSAT LAUNCH).  However, it is being launched as a daemon by a link in the CHANNA directory (CHANNA;RAKASH CNAVRL).  This is a link to .MAIL.;COMSAT LAUNCH.  There is also an hourly job (DRAGON;HOURLY CNAVRL) that runs. That is also a link to .MAIL.;COMSAT LAUNCH.

So, in short, COMSAT is dying.  You probably didn’t make all the fixes that I reported on in an old thread regarding the IP address of your ITS.

The “good way” to get text files on and off ITS, is through FTP.  So you need to first get FTP working between your Pi and ITS.  That involves correctly setting up the network.  Once you have that working, we can tackle the Windows -> Pi -> ITS FTP.

— Eric

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[Francis King]

So, in short, COMSAT is dying.

Thanks for that very  clear explanation. That the error message said CNARVL rather than COMSAT is what threw me.

You probably didn’t make all the fixes that I reported on in an old thread regarding the IP address of your ITS.

Indeed, I didn't make any of those changes. But now I know what's going on, I will make them tomorrow.

Francis.

[Preston Briggs]

I can’t make ordinary ftp work, even with Eric's changes, but reading the manual (!) reveals mlftp.

/opt/pidp10/bin/mlftp -w its test ~/test

Copies a file (test) from the current directory of the RPi to the .TEMP. directory on ITS.

Similarly

/opt/pidp10/bin/mlftp -r its "test list ppb;" test.list

Copies a file (test list) from the directory ppb: on ITS to a file test.list in the current directory on the RPi.

[Preston Briggs]

When I say "the manual", I mean here: 

    https://github.com/larsbrinkhoff/its-manual/wiki/mlftp