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000132_news@columbia.edu _Fri Dec 15 11:12:06 2000.msg
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From: fdc@columbia.edu (Frank da Cruz)
Subject: Re: running kermit on BOTH ends; ^c confusion
Date: 15 Dec 2000 15:48:46 GMT
Organization: Columbia University
Message-ID: <91degu$imn$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
In article <91ck0k$hqg$1@panix5.panix.com>,
David Combs <dkcombs@panix.com> wrote:
: I am on panix.com, and run kermit on both ends, ie here at home
: on my sparcstation 5 (solaris 7) and there, on EITHER their pc's
: running netbsd, OR their sparc-something, sunos 4.x.
:
What versions of Kermit are they? The current version of
C-Kermit is 7.0:
http://www.columbia.edu/kermit/
: Several problems:
:
: 1: my us robotics 56k cheapo modem, they (panix) say(s), should
: have some DIFFERENT special-for-panix init string.
:
I wonder why it has to be special. This might be the key to your
file-transfer troubles. I assume this is an external modem? The
Courier V.Everything? This actually is a very solid modem. See:
http://www.columbia.edu/kermit/winmodem.html
(the external modem used in the tests described there was a USR
Courier V.Everything 56K).
: a. do YOU know the proper init string for panix?
:
No.
: b. how do I get the local kermit to do it automatically
: (setup the modem a la panix) WHEN (and ONLY when)
: I want to dial into panix?
:
: (Yes, I could read this 620-page book you've written,
: excellent, etc, but man, I'm just under information
: overload, not as young as I once was (58 now), and
: am not as easily able to fend off the devil in all
: those details.... )
:
What can I say? The answer to your question (b, not a) is in
Chapter 4, Configuring Modems. It's not a one-liner, or else
we wouldn't have had to write that whole chapter.
If you send us mail at kermit-support@columbia.edu and tell us
what Panix says the init string should be, we can tell you
what to do.
: c. Having GREAT difficulty downloading .gz-files (of course
: I set -i!), although can usually do it ok if UN-compressed.
:
This might be our fault. The Solaris version of C-Kermit, in
the last couple releases, has suffered from nonfunctional hardware
flow control. This is because Sun changed that API for
controlling this; Kermit continued to use the "old" way, which
is accepted but no longer works. Solution: download C-Kermit 7.1
Alpha.01, which uses the new way. You can find the Solaris 7 Sparc
binary here:
ftp://kermit.columbia.edu/kermit/test/bin/cku199a01.solaris7-sparc
Then:
mv cku199a01.solaris7-sparc wermit
and then give the "wermit" program the same owner, group, and
permissions that your current Kermit program has, so it can dial out.
Then try the new copy instead of the old copy and see if it fixes
the problem.
If not, first make sure you are setting up the call correctly:
set modem type usr ; This must come first
set line /dev/cu/a ; or whatever
set speed 57600
dial 7654321 ; substitute real phone number
If you give these commands in this sequence, RTS/CTS flow control
and all the other appropriate defaults are used automatically.
If you still have trouble after that...
I don't know what version of Kermit they have on Panix, but let's
assume, optimistically, that it's 6.0 or later. Start Kermit on
Panix by typing "kermit" to get the prompt. Then type "robust".
Then type "send foo.tar.gz" (for some gz file). See if it works.
It probably will, but it will be very slow.
Then type "cautious", and download the same file again. If it
works, it will be faster.
Then type "fast" and try again. My guess is "cautious" will work
but "fast" will fail. In that case, use "cautious". If you think
"cautious" is too slow then you'll have to read the chapters on
file-transfer troubleshooting (10) and performance (12) in the
book to find out how to fine-tune the connection for optimum
performance.
: d. The Z etc cmds that kermit polls for -- to stop downloading
: the file (via "x"?), or the one for the entire group --
: doesn't seem to work -- kermit (the remote one) does
: see the char, but after telling me, just goes on back
: to being hung.
:
What is on the screen when you type the X or Z? These
interruption characters work when the file-transfer display is
active, not before or after.
: UNFORTUNATELY, a ^c gets me back to the kermit prompt
: on my LOCAL kermit!!!
:
That's what it's supposed to do.
: How in the world do you direct commands to ONLY the
: REMOTE kermit? The last thing I want (man, are those
: 5 words ambiguous!) is to be disconnected from the
: remote machine!
:
You local C-Kermit program is in one of three states:
1. Command mode (waiting for you to type a command at the
C-Kermit> prompt),
2. CONNECT mode -- sending your keystrokes to the other
computer and displaying the other computer's output on
your screen. In this case you must use C-Kermit's
escape sequence, Ctrl-\ followed by an action letter,
such as 'c', to get the local C-Kermit's attention.
3. Transferring a file. In this case it monitors the keyboard
for X, Z, Ctrl-C, etc.
: e. I am sure that all the above are really stupid and
: totally obvious to anyone who really understands
: kermit. But I work alone, access to info only via
: usenet, email, and www (and VERY occasional conference),
: so I rely on you.
:
And the manual I hope. It's all in there. There's a good
table of contents that should send you straight to the right
section, and there's a big index for looking things up.
- Frank