topic Re: cannot ping server itself in Operating System - HP-UX

cannot ping server itself

LEBORGNE_2 — Mon, 05 May 2003 14:59:46 GMT

When I disconnect my server from my network, I'm not able anymore to ping my server from itself, i.e I cannot ping the local ethernet card.
This causes that when my server is disconnected from the network, so is isolated, I cannot acces to the local display.
for exemple, if ny server is serv1, after disconnecting serv1 from the network, ping serv1 doesn't return anything and the display serv1:0.0 is not available anymore.

Re: cannot ping server itself

LucianoCarvalho — Mon, 05 May 2003 15:05:32 GMT

hi,
Try to use localhost instead of serv1. It uses the loopback adrress.

regards

Re: cannot ping server itself

Uday_S_Ankolekar — Mon, 05 May 2003 16:24:00 GMT

you should be able to ping 127.0.0.1 which is localhost

Or you should be able to ping to self ip -address

-USA..

Re: cannot ping server itself

Sachin Patel — Mon, 05 May 2003 16:32:57 GMT

That is how it should behive.

X will not work unless you are in network or you just have stand alone system. use 127.0.0.1 for ip if it is going to be stand alone system.

Sachin

Re: cannot ping server itself

Steven E. Protter — Mon, 05 May 2003 17:18:37 GMT

with regard to the X setup here are some guidelines.

1) If you are remotely connecting from a PC using X windows software, the DISPLAY variable needs to be set to the following: IP_ADDRESS_OF_PC:0.0 It needs to be set in the user profile on the Unix machine.

2) You may need to activate the X Windows font server on the HP-UX box.

/etc/rc.config.d/xfs

#
# xfs configuration: set RUN_X_FONT_SERVER to a non-zero value to
# initiate a font server at run level 2.
#
# Installed at /etc/rc.config.d/xfs
#

RUN_X_FONT_SERVER=1

This is a proper configuration that will start up the font server.

SEP

Re: cannot ping server itself

LEBORGNE_2 — Mon, 05 May 2003 17:40:42 GMT

Thanks all for reply.
I do ping localhost when I'm disconnected from network, but the problem is that some applications use the display name ( serv1:0.0 ) for exemple
and I cannot modify it to localhost:0.0 because in some cases they are remotely displayed.
I am looking for a way to configure the ethernet device to enable self ping when disconnected. This is the first time I can see this behaviour. With Digital-Alpha or IBM-AIX I've never seen this.

Thanks

Re: cannot ping server itself

Mathias Ihme — Tue, 06 May 2003 05:53:54 GMT

Hi, take a look at your nameswitch configuration. Make sure that the name resolution looks first at /etc/hosts and then at dns. Therefor your /etc/hosts must be correct.
MI