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GSP question

Occasional Advisor

GSP question


I can not remember how to switch to the GSP mode on my boxes.
I thought it was CTRL+B sequence, but maybe this is working only if you are already on the console ? and not from a session.
Otherwise, I saw once that there was a software to install on the hp box to allow to run gsp commands.
Can someone help me to find it ?

Thanks, Maya
Dave Hutton
Honored Contributor

Re: GSP question

It is ctrl b from the console.
I'm not aware of any software you can install. There are remote consoles, but typically they have to be configured.
Steven E. Protter
Exalted Contributor

Re: GSP question

It is ctrl-b

Every once in a while gsp can become unresponsive.


# scriptstub.sh a script starter back with important utilities built in

# This section checks the numbers of arguments and rejects if
# desired based on the number of argments being incorrect.
stty +resetGSP
That will reset the gsp.

Steven E Protter
Owner of ISN Corporation
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Patrick Wallek
Honored Contributor

Re: GSP question

You can only do CTRL+B to get to GSP from the console (LAN console, web console or direct attached console). It will definintely NOT work from a regular telnet or SSH session.

I have never seen or heard of software for running GSP commands.
Steve Steel
Honored Contributor

Re: GSP question


Try this url


Steve Steel
If you want truly to understand something, try to change it. (Kurt Lewin)
Honored Contributor

Re: GSP question

The "software" you mention may refer the method that can be used to get to the GSP via the OS.

This is not a supported method as there are concerns over security.

On the system, the GSP internal port should be /dev/tty1p0.

# cd /dev
# mknod tty1p0 c 1 0x010000

The internal port can be accessed via terminal emulators such as cu. To use cu, you need to edit the following:

1) Enter the following in /usr/lib/uucp/Systems (The spelling looks unusual, but it needs to be exactly as shown):
gspiport Any;5 gspiport,f900 - ''''\r\d\r\d\r ogin:-BREAK-ogin: uucp asswrd: uucp-BREAK-ogin: uucp asswrd: uucp

2) Now edit /usr/lib/uucp/Devices to include the following:
gspiport tty1p0 - 9600 direct

Now access the GSP with the â cuâ command:
# cu â l /dev/tty1p0

To terminate the cu session, use "~." (tilde dot return).

CAUTION Securing the /dev/tty1p0 device file with root capabilities will not prevent non-root users from accessing the GSP internal port. This is due to the fact that cu and kermit carry root access and run with the sticky bit enabled. To secure the internal port from unauthorized use, be sure to remove the /dev/tty1p0 file after using
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