Re: login via serial console respawns too fast

2002-03-28 Thread Ramesh Panuganty



I think some 
other device is using your serial port, may be a modem deviceor so. There is 
also a possibility that your entry in /etc/inittab isincorrect. 'getty' is 
trying to restart it, but is getting killed. Check thecorrectness of getty 
with "getty -c /etc/gettydefs"If you have any ppp client or server 
configuration, take it out to closethis error!-Rameshhello 
again,so, i've edited my inittab to listen on ttyS0 on 9600 baud. the 
"id" isT0. i keep getting "T0: repawning too fast, disabled for 5 mintues." 
andi am not able to use minicom to connect to it from the other pc. 
i'msure my (only) serial port is ttyS0. any thoughts?also, for a 
null modem cable... i'm using a serial (rs232?) to rj45adapter on both 
sides... tried a straight cat 5 cable, read the postabout a null modem 
cable, then switched to a crossover cable. this didnot effect the respawning 
tho, it does it without anything plugged intoit!also, there's no 
funky bios setting going on since i am able to usettyS0 to connect to the 
router... so the serial port does work... lsmoddidn't show any serial 
modules being loaded, so i tried gen_serial, butthe same still 
occured.thanks,jason


Re: login via serial console

2002-03-27 Thread Jason M. Harvey
On Mon, Mar 25, 2002 at 06:45:56AM -0500, Jason M. Harvey wrote:
| On Sun, Mar 24, 2002 at 09:13:04PM -0600, Ramesh Panuganty wrote:
| | 
| | Edit /etc/inittab to add the line, (if you use COM2 to connect, change ttyS0
| | to ttyS1)
| | s0:2345:respawn:/sbin/getty ttyS0 DT9600
| | 
| | Then issue: kill -HUP 1
| | 
| | If you also need to see the boot-up messages, you need to change
| | /etc/lilo.conf to pass the options for console.
| | 
| | -Ramesh
| | http://panuganty.tripod.com/debiantips/
| | 
-- snip --

hello again,

i just thought of something... with this same set-up, would i be able to
get pppd to listen on a serial port (not a modem) and authenticate
that way, to establish a ppp interface so that i can use ip and things
such as samba? i know it would be super-slow, but is it possible?

thanks again,
jason

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Re: login via serial console respawns too fast

2002-03-27 Thread Jason M. Harvey
hello again,

so, i've edited my inittab to listen on ttyS0 on 9600 baud. the id is
T0. i keep getting T0: repawning too fast, disabled for 5 mintues. and
i am not able to use minicom to connect to it from the other pc. i'm
sure my (only) serial port is ttyS0. any thoughts?

also, for a null modem cable... i'm using a serial (rs232?) to rj45
adapter on both sides... tried a straight cat 5 cable, read the post
about a null modem cable, then switched to a crossover cable. this did
not effect the respawning tho, it does it without anything plugged into
it!

also, there's no funky bios setting going on since i am able to use
ttyS0 to connect to the router... so the serial port does work... lsmod
didn't show any serial modules being loaded, so i tried gen_serial, but
the same still occured.

thanks,
jason


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---
| http://theigloo.dhs.org:81  | http://counter.li.org/|
| Debian GNU/Linux 3.0 Woody  | 2.4.16-k6 |
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Re: login via serial console

2002-03-25 Thread Jason M. Harvey
On Sun, Mar 24, 2002 at 09:13:04PM -0600, Ramesh Panuganty wrote:
| 
| Edit /etc/inittab to add the line, (if you use COM2 to connect, change ttyS0
| to ttyS1)
| s0:2345:respawn:/sbin/getty ttyS0 DT9600
| 
| Then issue: kill -HUP 1
| 
| If you also need to see the boot-up messages, you need to change
| /etc/lilo.conf to pass the options for console.
| 
| -Ramesh
| http://panuganty.tripod.com/debiantips/
| 
|  i have two woody boxes at home. each of them can connect to a router via
| serial cable at 9600 baud (8N1). i thought that by running the serial cable
| from one to the other i would be greeted by a login screen, but i wasn't. i
| haven't set up any thing out-of-the-ordinary to allow login on the serial
| port, i just thought it would work. any thoughts on what i need to do?
| 


hello,

thanks! that's what i wanted. sorry i wan't too clear. i'm having
trouble with a nic in that box, and only have one nic in this pc (the
one one the 'net (smtp)), and i wanted to be able to access that other
pc (with the bad nic) without hooking up monitor/keyboard/mouse.
i just looked in my /etc/inittab, and found:

#T0:23:respawn:/sbin/getty -L ttyS0 9600 vt100
#T1:23:respawn:/sbin/getty -L ttyS1 9600 vt100

so, that's pretty cool... i just didn't know where to look. i have a few
more questions:

1. must i use 9600 baud or can i just go higher? 
2. the id field - you've said s) and the example says T0, should that
matter?

that's about it. too bad i have to wait until later to try it!

thanks!
jason

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FW: login via serial console

2002-03-25 Thread Panuganty, Ramesh
| thanks! that's what i wanted. sorry i wan't too clear. i'm 

Cool!

| so, that's pretty cool... i just didn't know where to look. i 
| have a few more questions:
| 
| 1. must i use 9600 baud or can i just go higher? 

You can try out 19200, 38400 (keep doubling). I guess 9600 is the safe
parameter for first attempts. You may try increasing it further.

| 2. the id field - you've said s) and the example says T0, 
| should that matter?

The id field T0 in your case, should be okay - as long as you don't
have any other entries with the same id in /etc/inittab. It can be any
non-repetitive name.

-Ramesh


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Re: login via serial console

2002-03-25 Thread dave mallery
On Sun, 24 Mar 2002, Ramesh Panuganty wrote:

 
 Edit /etc/inittab to add the line, (if you use COM2 to connect, change ttyS0
 to ttyS1)
 s0:2345:respawn:/sbin/getty ttyS0 DT9600
 
 Then issue: kill -HUP 1
 
 If you also need to see the boot-up messages, you need to change
 /etc/lilo.conf to pass the options for console.
 
don't you need a null modem cable as well?

that's rx - tx and vice versa.

 
 
 

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PO Box 520
Ramah,  NM  87321

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/( )\
running GNU/Linux   ^^-^^  (Linux TM Linus Torvalds)
  free at last!



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login via serial console

2002-03-24 Thread Jason M. Harvey
hello,

i have two woody boxes at home. each of them can connect to a router via
serial cable at 9600 baud (8N1). i thought that by running the serial
cable from one to the other i would be greeted by a login screen, but i
wasn't. i haven't set up any thing out-of-the-ordinary to allow login on
the serial port, i just thought it would work. any thoughts on what i
need to do?

tia,
jason

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Re: login via serial console

2002-03-24 Thread Ramesh Panuganty





Edit /etc/inittab to add the line, (if you use COM2 to connect, change 
ttyS0 to ttyS1) s0:2345:respawn:/sbin/getty ttyS0 
DT9600

Then issue: "kill -HUP 1"

If you also need to see the boot-up messages, you need to change 
/etc/lilo.conf to pass the options for console.

-Ramesh
http://panuganty.tripod.com/debiantips/

 i have two woody boxes at home. each of them can connect to a router 
via serial cable at 9600 baud (8N1). i thought that by running the serial cable 
from one to the other i would be greeted by a login screen, but i wasn't. i 
haven't set up any thing out-of-the-ordinary to allow login on the serial port, 
i just thought it would work. any thoughts on what i need to do?




Re: login via serial console

2002-03-24 Thread Oki DZ

On 03/25 09:02 Jason M. Harvey wrote:

hello,

i have two woody boxes at home. each of them can connect to a router
via
serial cable at 9600 baud (8N1). i thought that by running the serial
cable from one to the other i would be greeted by a login screen, but
i
wasn't. i haven't set up any thing out-of-the-ordinary to allow login
on
the serial port, i just thought it would work. any thoughts on what i
need to do?


I think you weren't so clear about what you wanted...
Anyway, you have a router, in which it connects to the Internet, and 
you have two woody boxes you'd like to connect from outside, correct? I 
think you'd need to have PPP running on your woodies, and your router 
needs it too.


Oki


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Re: login via serial console

2002-03-24 Thread Matthew Daubenspeck

At 11:31 PM 3/24/2002, you wrote:

On 03/25 09:02 Jason M. Harvey wrote:

hello,
i have two woody boxes at home. each of them can connect to a router
via
serial cable at 9600 baud (8N1). i thought that by running the serial
cable from one to the other i would be greeted by a login screen, but
i
wasn't. i haven't set up any thing out-of-the-ordinary to allow login
on
the serial port, i just thought it would work. any thoughts on what i
need to do?


I think you weren't so clear about what you wanted...
Anyway, you have a router, in which it connects to the Internet, and you 
have two woody boxes you'd like to connect from outside, correct? I think 
you'd need to have PPP running on your woodies, and your router needs it too.


I think he means that he would like to control the router serial port with 
a woody box via a serial cable, instead of using something like 'doze 
HyperTerminal...



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