Telnet into Unix server

[zum]

After installing a couple different patches on my HP-UX server I am unable to telnet from the server and to the server from a workstation. I noticed that the inetsvcs.conf file in the /etc directory was missing so I replaced it from the /usr/newconfig/etc directory and now I can telnet out from the server but I'm still unable to telnet in from any workstation. I've checked the /etc/services and /etc/hosts file. Not sure where to go from here so any help would be greatly appreciated.

Thanks,

Zum

 

[unixqueen]

Hi

It may be complete coincidence, but has your network card failed or is intermittantly failing.....check ping, lanscan output

Also check that your routing is correct (default route is setup in netstat)

 

[gerudman]

Also look in the /etc/inet.conf file that telnet is not commented out. Check that inetd process is running

George

 

[patel]

Also check the telnetd daemon executable located in /usr/lbin/

Patel

 

[zum]

Here is the error I'm getting now.

telnetd: Telnet device drivers missing: No such file or directory
Local flow control off

 

[unixqueen]

Hi

cd /dev/pts and you should have tty files here - these are for telnet and are defined by the value of a kernel param call nstrtel.
If they are not there or if you ever increase the value of nstrtel, then an #insf -d tels will recreate them.

If this is not the case for you check also permissions on the directory structure.

Clare

 

[zum]

Thanks for the help. Well the tty files were missing so I recreated them, but I'm still having the same problem.

 

[unixqueen]

There are bas Telnet patches - maybe you've installed one of them - you could try swremove'ing them.

Also found this patch, which has error that matches yours, if you are running 11.00 .....

Problem Text

CR# JAGae42637
problem
Telnet PTY slave 'tels' leak makes Inbound telnet fails.
Inbound telnet fails - Telnet device drivers missing: No such device.

Fix Text

fix
11 GR patch : PHNE_27788

 

[zum]

Well the PHNE_27788 patch is not installed.
To give you a little more info on how this happened, I was trying to upgrade to operating system from 10.20 to 11.0. Now after reading more I've learned that it isnt recommended to upgrade, but to rather do a cold install.

 

[unixqueen]

No, sorry my post was misleading....PHNE_27788 is a fix for that error message.

You are right thought, I have seen all transitions to 11.00 with a cold install.

Good luck
Clare

 

[yvoyvo]

Hi,
I am also having the same problem. But my case is that my server crash. And after recover all the files, I had problem telneting to the server via hostname and ip address. But I am able to telnet localhost.

I had go through the above steps but I do not have the errors as mention above. Below is the only message i had.

telnet localhost
Trying...
Connected to localhost.
Escape character is '^]'.
Local flow control on
Telnet TERMINAL-SPEED option ON

HP-UX cwsas01 B.11.00 U 9000/800 (ta)

login:

telnet cwsas01
Trying...
Connected to cwsas01.
Escape character is '^]'.
Local flow control off
Connection closed by foreign host.

root@cwsas01:/ # telnet 172.17.3.40
Trying...
Connected to 172.17.3.40.
Escape character is '^]'.
Local flow control off
Connection closed by foreign host.

 

[unixqueen]

Yvoyvo,

I have never seen this message before, but the following link matches your message exactly -

http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x0d5b7bb04b5cd611abdb0090277a778c,00.html

 

[yvoyvo]

Hi Unixqueen,

The posting on hp was on linux platform and with firewall. Thus may be the same as my problem. THanks for your help anyway.

 

[yvoyvo]

Sorry it should be. The link will not be any help to my problem. As they are of different platform.

 

[zum]

Can an HP k220 server run 11.0 operating system?

 

[gerudman]

zum, look in /etc/.supported_bits for your model number. Next to it will be either 32bit, 64bit or 32/64. You can install 11.0, but only in the allowed bit mode.

 

[zum]

Thanks for all the help. I found that the telnetm file was missing. Once I recreated it I was able to telnet into the server.

Thanks again for everyones help.