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Grex Helpers Item 68: System Problems [linked]
Entered by valerie on Sun Mar 22 14:49:35 UTC 1998:

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306 responses total.



#1 of 306 by dang on Sun Mar 22 21:44:06 1998:

The first problem. :(  I've had a report that the /b shell is broken.


#2 of 306 by valerie on Sun Mar 22 21:58:27 1998:

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#3 of 306 by janc on Sun Mar 22 21:58:36 1998:

Yeah, first it was missing, then I fixed it, but fixed it wrong, now I've
fixed it right (I hope).

One bug down ... how many to go?


#4 of 306 by i on Sun Mar 22 22:20:22 1998:

Two (depending on how you count) for the collection:  

Bad parameters near ""
message i got when i answered 'join' to the 'you are not a member of 
/bbs/agora25' prompt.  

'mail' can't find my mailbox (/var/spool/mail/i/z/i).  Doesn't matter
right now, though, for a couple reasons that 'll' will show you....

No hurry.  


#5 of 306 by valerie on Sun Mar 22 22:27:25 1998:

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#6 of 306 by janc on Sun Mar 22 22:48:30 1998:

Yup, all one letter logins had their mail owned by root (they had to be moved
separately).  This has now been fixed.


#7 of 306 by senna on Mon Mar 23 00:39:50 1998:

Holy cow.  So far the processor response is splendid.


#8 of 306 by scg on Mon Mar 23 00:50:21 1998:

Something must be broken.  Grex isn't pausing long enough for me to take a
nap between conferences.  When am I supposed to sleep? ;)


#9 of 306 by scott on Mon Mar 23 03:14:31 1998:

The "who" command seems to be slower than the "w" command.  ???


#10 of 306 by dang on Mon Mar 23 03:18:12 1998:

We are now using gnu who, which does a lookup on all the domain names.  This
has the good effect that the whole name shows up, and the bad effect that it's
slow.


#11 of 306 by srw on Mon Mar 23 04:04:42 1998:

It's really very very slow because of that. Especially when you consider 
how fast everything else is.


#12 of 306 by steve on Mon Mar 23 05:24:11 1998:

   But you can always use /bin/who, which doesn't do lookups, if
you need the extra speed.

   The problems with gnu who is that if the lookup for the person
doesn't find a DNS entry (something which almost never happened,
but does today because places are too cheap to get domains), it
had to expend time doing that, which is why who listings will
seem to be going nice and fast, then pause for 5 - 15 seconds
and then go on again.


#13 of 306 by mcnally on Mon Mar 23 05:36:27 1998:

  unfortunately name resolution is a relatively complicated process
  that takes a non-negligible amount of time.  on the bright side,
  with optimal caching, each lookup only has to go out to the internet
  for a full resolution once and subsequent requests get checked against
  the info that's already been fetched.  on the downside, that doesn't
  help all that much because each user that logs in is highly likely to
  come from someplace different than the hosts that previous users have
  come from.
  
  if it really proves to be a problem it might be worth tuning the
  caching behavior of named to hold more reverse name records for longer..
  one would probably need to cache such records for unacceptably long,
  though, for it to help a great deal.


#14 of 306 by mcnally on Mon Mar 23 05:38:32 1998:

  and, as STeve points out, the big time killer with lookups is 
  when the resolver waits for a failed lookup to time out..


#15 of 306 by tpryan on Mon Mar 23 05:44:03 1998:

        I guess you can't do !w -n|more like on M-net where the -n
does no new lookups.  just returns numbers.
        tried, w: bad flag -n
        Maybe a local fix?


#16 of 306 by senna on Mon Mar 23 06:05:23 1998:

I'm still dropping some text, though


#17 of 306 by aruba on Mon Mar 23 06:20:05 1998:

Pine's "-i" flag doesn't seem to be working; it used to take you directly to
the screen which lists the contents of your mailbox, but now it doesn't seem
to do anything.


#18 of 306 by mcnally on Mon Mar 23 06:25:49 1998:

  hmmm..  perhaps it's being overridden by a default value for the 
  'initial-keystroke' setting?  in any case you can miming the same
  behavior by going to the <M>ain menu, then <S>etup, <C>onfig, and
  changing the value for 'initial-keystroke' to "i" (for <I>ndex)


#19 of 306 by aruba on Mon Mar 23 06:42:23 1998:

Interesting - didn't know about that.  THanks, Mike.


#20 of 306 by valerie on Mon Mar 23 15:09:50 1998:

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#21 of 306 by birdlady on Mon Mar 23 19:44:54 1998:

If I don't want a list of users *and* their addys, I just type !users.  It
also keeps me from having to scroll back three screens.


#22 of 306 by gibson on Mon Mar 23 19:54:39 1998:

        I didn't know about the -i flag. I tried it and it works fine but when
I used config to set it I got "bad initial keystroke (missing comma?)". What
am I doing wrong?


#23 of 306 by aruba on Tue Mar 24 06:25:42 1998:

Thanks for the fix, Valerie.


#24 of 306 by keesan on Wed Mar 25 00:13:43 1998:

I tried to abort (cancel) a message that I was writing using mail,
by hitting control-C twice, and what happened was that ther appeared
on
Well, the backspace is not working for me, but that may be something
else related to Jim's putting a mini version of z
zmodem on instead of procomm
The problem in mail, even before he changed to zmodem was:
^C@
^C@
appeared and there was no way to abort the message.
This happened twice already with the Ctl  Ctl-C.
Also, it took 25 sec to ket
get a response to kermit -r, and a minute and a half for zmodem sz, which I
think used to come up quite a bit faster.
Please excuse any other odd things that Jim's zmodem did here, I cannot get
pico to work eiether and hope you don't see what Isee.  Let's see if I can
abort this response now.
Well, I could have aborted the responses here, but not in mail.


#25 of 306 by senna on Wed Mar 25 05:10:05 1998:

My last two sessions have featured grex dropping massive amounts of text in
unprecedented fashion.  Alas, I believe that someone will actually have to
witness how bad it is to truly understand my difficulties.


#26 of 306 by rcurl on Wed Mar 25 06:03:17 1998:

Re Item #24: I recently encountered the problem with windows 3.1 (on
a lousy PC) that it will not pass several pine command codes but
instead interprets them as windows commands. Is this what you are
seeing? 


#27 of 306 by nestene on Wed Mar 25 07:52:31 1998:

Procmail appears to be broken.  If any of you are using procmail, have someone
send you a message to see if it bounces.  Procmail seems to expect your mailbox
to be in the old spot, and die horribly when it isn't.


#28 of 306 by mcnally on Wed Mar 25 08:52:30 1998:

  hence the message in the motd about having to change your procmail setup..

  I suspect that the suspicion on the parts of staff members was that anyone
  using procmail would probably be knowledgable enough to make the changes
  themselves but if you really need help I can probably provide it..


#29 of 306 by scott on Wed Mar 25 12:08:57 1998:

Senna, I can probably check out your problem sometime this weekend...


#30 of 306 by keesan on Wed Mar 25 22:03:13 1998:

re #26/24, I am using DOS, not Windows.  Still can't abort a MAIL message.
And Kermit is still taking about 25 sec to come up.


#31 of 306 by valerie on Wed Mar 25 23:31:39 1998:

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#32 of 306 by jared on Thu Mar 26 00:06:21 1998:

kermit should use the "tty" program to determine your
tty, not who


#33 of 306 by orinoco on Thu Mar 26 04:23:39 1998:

When I'm in the 'mail' mailer and respond to a piece of mail I've gotten, a
copy of the response gets sent back to me, as well as to the indended
recipient.  (yes, I'm using 'r' and not 'R')  Any idea what's causing this?


#34 of 306 by srw on Thu Mar 26 05:25:35 1998:

I saw some mail on the staff mailing list that indicated that the extra 
mail problem was due to a global config file that had not been copied 
over during the changeover. If that is true, it should be fixed now. Is 
it?


#35 of 306 by davel on Thu Mar 26 13:00:40 1998:

Grace (gracel) reports that Grex hung on her yesterday, somewhere around
2 PM.  She read some conference items, ran elm, and went to email someone.
It took her into vi as usual.  She got into insert mode, & it stopped
responding.  She finally disconnected.  She says that she waited/tried
for maybe 5 minutes before giving up.  The session was still visible
when I looked at the screen last night; I can attest that there was
nothing like a timeout warning or anything like that, & she says it
was still connected until she disconnected.  She has vi configured so
that it displays the mode when you're in a text-entry mode, so she
is not likely to have been wrong about that.


#36 of 306 by davel on Thu Mar 26 13:02:27 1998:

Could someone please link this item to helpers?  I had to join agora just to
enter a system problem, & I prefer to maintain my non-involved status.


#37 of 306 by dang on Thu Mar 26 17:57:20 1998:

re kermit:  It can't use tty because the tty you're on has no corelation to
where you come in from.  kermit needs to know if you are in from groupie, or
if you're in over the link.  Tty can't tell it that.


#38 of 306 by steve on Thu Mar 26 18:48:17 1998:

   Dave, is there any chance that she hit ^S, such that things were waiting
for a ^Q?  In general its a good idea to try that when things appear dead.


#39 of 306 by keesan on Thu Mar 26 19:06:33 1998:

re #24 (?).  Kermit now comes up in 3 sec, and zmodem in about 2.
~x works to abort a response in MAIL.  Ctl-C still does not work there.


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