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i
Grex System Problems Mark Unseen   Dec 22 18:13 UTC 2001

This item is for system problems.  If something on Grex isn't working 
right (line noise on a modem, weird behavior from a program, etc.), 
this is the place to announce it.  Except for security holes.  If you 
find a hole in system security, mail information about it to "staff".
293 responses total.
hash
response 1 of 293: Mark Unseen   Dec 23 07:01 UTC 2001

why isn't gate the default editor in bbs?
wh
response 2 of 293: Mark Unseen   Dec 23 19:41 UTC 2001

Grex has been very slow this afternoon in Lynx and opening Pine--
well, I don't know if it will fully open Pine now. I see
/temp: write failed, file system is full.
davel
response 3 of 293: Mark Unseen   Dec 23 19:53 UTC 2001

Well, here's why:
> Filesystem            kbytes    used   avail capacity  Mounted on
> /dev/sd2f              62863   56587       0   100%    /tmp
> 
> -rwxr-xr-x   1 dcbri0   wheel    47194112 Dec 23 13:37
0x660x690x6C0x650x0x0x37 > -rwxr-xr-x   1 dcbri0   wheel       27148 Dec 23
13:18 @@@@^@^@^^@^@^@^^^^@@@@^^^^^@@@@@@@ > -rwxr-xr-x   1 dcbri0   wheel      
   26 Dec 23 13:28 B78Hjsjh63^JksI.87Hjsh780Ds > -rwxr-xr-x   1 dcbri0   wheel 
     22540 Dec 23 13:19 ^@^^@^hjjjHkLsk%0x92%0x6BH^^hsJShUhskL.^@ > drwxr-xr-x 
 2 dcbri0   wheel         512 Dec 23 13:18 ______0_I_hate_you_admin >
drwxr-xr-x   2 dcbri0   wheel         512 Dec 23 13:18 ______1_FUCK_YOU_ADMIN >
drwxr-xr-x   2 dcbri0   wheel         512 Dec 23 13:18
______2_Your_server_will_DIE > drwxr-xr-x   2 dcbri0   wheel         512 Dec 23
13:18 ______3_Why_I_am_doing_it > drwxr-xr-x   2 dcbri0   wheel         512 Dec
23 13:18 ______4_Because_you_had_destroyed_my_filez > -rw-r--r--   1 dcbri0  
wheel           0 Dec 23 14:09 sh11700

Just some jerk doing what comes naturally.
mdw
response 4 of 293: Mark Unseen   Dec 23 22:53 UTC 2001

Gate isn't the default editor in bbs because bbs is at least a decade
older and people have written many different "ultimate response editors"
since.  Are you sure this is a "system problem"?
janc
response 5 of 293: Mark Unseen   Dec 24 03:49 UTC 2001

Gate isn't the hardwired default editor in Picospan.  It is, however, set in
all the default .cfonce files that are created when people take out accounts
on Grex.
hash
response 6 of 293: Mark Unseen   Dec 24 15:50 UTC 2001

I just made a new account, and there wasn't a .cfonce file.
hash
response 7 of 293: Mark Unseen   Dec 24 15:53 UTC 2001

hmmm, I just made *another* account, and there was a .cfonce.
never mind me, thanks.

gelinas
response 8 of 293: Mark Unseen   Dec 24 20:10 UTC 2001

I just sent a message to staff about grex not accepting telnet sessions.  ssh
is working.
blaise
response 9 of 293: Mark Unseen   Dec 24 20:14 UTC 2001

I'm telnetted in; I don't know what you're seeing.  (I can't SSH from this
system; it only does SSH2.)
keesan
response 10 of 293: Mark Unseen   Dec 24 20:17 UTC 2001

I telnetted in the past half hour.
gelinas
response 11 of 293: Mark Unseen   Dec 24 20:22 UTC 2001

jane% !tel
telnet cyberspace.org
Trying 216.93.104.34...
telnet: Unable to connect to remote host: Connection refused
jane% date
Mon Dec 24 15:19:29 EST 2001
jane%

gelinas   ttyp4    coll.staff.itd.u Mon Dec 24 15:05   still logged in

so it's been about 20 minutes that it hasn't been working.  For me, anyway.
hash
response 12 of 293: Mark Unseen   Dec 24 20:30 UTC 2001

I just tested telnet, and I got a connection refused, too

do you guys run a standalone telnetd?  inetd?

there are some telnetd's running, but no inetd, nor what appears to be 
a standalone telnetd.

I'm ssh'ed in.

gelinas
response 13 of 293: Mark Unseen   Dec 24 20:38 UTC 2001

I've always heard that they run inetd  (I've not actually looked at the
startup scripts, though. ;)  These kinds of reports are generally followed
by, "I kicked inetd".
hash
response 14 of 293: Mark Unseen   Dec 24 20:48 UTC 2001

is /var/adm/messages supposed to be empty?
maybe it's been moved to the unreadable /var/log
gelinas
response 15 of 293: Mark Unseen   Dec 24 21:11 UTC 2001

telnet is working again.  (Determined by testing. ;)
tsty
response 16 of 293: Mark Unseen   Dec 25 17:52 UTC 2001

sharing is such a joy this season - 
   
voyager.net in east lansing seems in the right spirit, but really guys:
  
 who
tpryan   ttyqb    Dec 25 12:18 (216.93.104.37)
keesan   ttyu7    Dec 25 11:57 (216.93.104.37)
davel    ttyu8    Dec 25 12:30 (216.93.104.37)
rglass   ttyub    Dec 25 12:25 (216.93.104.37)
newuser  ttyp0    Dec 22 14:20 (as3-37.poznan.di)

  
(i left newuwer in there cause it was stuck out in the cold three 
days ago)
  
the other four _seem_ to have quite a lan in their wan! 
  
is there something i dont' know about (rhetorical, rhetorical, ok?)
hash
response 17 of 293: Mark Unseen   Dec 26 03:31 UTC 2001

hey ts, those are the dialins, I bet.
gestway
response 18 of 293: Mark Unseen   Dec 26 10:27 UTC 2001

What is the language of Shell scripts? And how is the sintax of the shell
scripts? I have used some UNIX commands, but they are not run. what is it
wrong?
keesan
response 19 of 293: Mark Unseen   Dec 26 14:01 UTC 2001

Hi, Gestway !.  There is a separate item for asking questions about how to
use grex (15 or 16?).     Welcome to the grex conferences.  (I have been
chatting with gestway for a while and exchanging emails.  He is a student at
a university in Indonesia, good at both computers and English.)
janc
response 20 of 293: Mark Unseen   Dec 26 20:43 UTC 2001

Grex's telnetd is launched by inetd, which periodically croaks for unknown
reasons.  There is a system daemon that automatically restarts inetd within
8 minutes after it dies.  The restart is done by "robocop" a daemon who's
primary purpose is to kill users who use excessive memory or processes (mostly
various types of fork bombs) and to kill any processes that users leave
running in background after logging off.  It does a number of other
housekeeping chores too.  So generally if ssh works and telnet doesn't, then
waiting a bit should fix things.
gelinas
response 21 of 293: Mark Unseen   Dec 26 22:05 UTC 2001

"8 minutes".  Thanks, I'll try to remember that. :)
mvpel
response 22 of 293: Mark Unseen   Dec 27 01:53 UTC 2001

Does ssh tie in to the waiting list mechanism?  Is there anyone putting any
thought into developing that if not?  What about upgrading to ssh v2?
gelinas
response 23 of 293: Mark Unseen   Dec 27 02:59 UTC 2001

If there is a queue, ssh fails to assign a pseudo-tty.  (or is that just if
the queue is full?)
janc
response 24 of 293: Mark Unseen   Dec 27 04:11 UTC 2001

Marcus is working on sshd upgrades.  It turns out to be hard to make it queue.
It was possible to make it mostly-fail if there is a queue, so it can't
readily be used to bypass the queue.  I believe he is working on improving
this situation, and on upgrading to a more recent release.  So currently ssh
is only semi-supported on Grex.  Actually, staff members pretty much always
connect with ssh, but if the queue is full we can ssh to one of Grex's other
servers, which don't have queues, and from there to Grex (the queue only
applies to users connecting from outside the cyberspace.org domain).
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