Re: Using Redhat utility 'screen' with oracle install GUI and x11 forwarding

I'll prepare one post about it in my blog, but in fact,what you have to do is:

1. Configure your xming and in flags you have to define "-ac". This will define the xming to accept connection. Reopen your xming, case was running
2. Connect by putty your linux machine and type, export DISPLAY=<ip address of your machine>:0
3. Try execute a graphical command like xclock, xterm, kterm ..., or the oracle installer

Ps.: About connect directly without define the variable DISPLAY, it is possible, but you have to do a little conf in putty.

Let'me know if you have doubts about it

B' Regards
Waldirio

On Thu, Feb 20, 2014 at 7:42 PM, Martin Bach <development_at_the-playground.de>wrote:

> Hi there,
>
> Apologies in advance if this doesn't answer your question but there might
> be a better way to reattach to an X session. In all the attempts to forward
> x11 (where wasn't deactivated for security reasons) I found it to be
> dreadfully slow and susceptible to network failure such as a laptop going
> to sleep or hibernation. Or windows decided to reboot or similar mishaps.
>
> In all these cases oui was practically unusable (slow) or didn't work at
> all. The solution of my choice is either a silent installation in screen
> (cool because it can be done so it is identical on all hosts) or if GUI was
> needed then using vnc. Unlike x forwarding which always died on me if the
> initial connection was lost, I could reliably reattach to running sessions
> and resume where I was.
>
> Oh and if you have a firewall simply forward port 590x and you have a SSH
> encrypted connection as an added goody. Your vnc client then points to
> localhost:x
>
> Hope this helps,
> Martin
>
>
> On 20 February 2014 23:08:01 CET, Dba DBA <oracledbaquestions_at_gmail.com>
> wrote:
>>
>> The forwarding works. 'screen' is a linux utility. It lets you leave your
>> remote session and it keeps running on the server. Its like running nohup,
>> but you can do it with something interactive like sqlplus. Then reconnect
>> later. your session keeps running.
>>
>> I am looking to see if anyone knows how to get x11 to work with screen. I
>> can re-attach to my unix session, but I think my x11 projection is gone.
>>
>> http://www.rackaid.com/blog/linux-screen-tutorial-and-how-to/
>>
>>
>>
>>
>> On Thu, Feb 20, 2014 at 4:53 PM, Lange, Kevin G <kevin.lange_at_optum.com>wrote:
>>
>>> Did you xhost + to allow the forwarding ?
>>>
>>>
>>>
>>> *From:* oracle-l-bounce_at_freelists.org [mailto:
>>> oracle-l-bounce_at_freelists.org] *On Behalf Of *Dba DBA
>>> *Sent:* Thursday, February 20, 2014 3:49 PM
>>> *To:* ORACLE-L
>>> *Subject:* Using Redhat utility 'screen' with oracle install GUI and
>>> x11 forwarding
>>>
>>>
>>>
>>> Redhat 6 64 bit
>>>
>>> 11.2.0.4 clusterware install
>>>
>>> xming run on laptop
>>>
>>>
>>>
>>> I have to get behind a firewall, so I go to a specified unix server and
>>> then execute
>>>
>>>
>>>
>>> ssh -X oracle_at_<IP>
>>>
>>>
>>>
>>> In putty I use
>>>
>>>
>>>
>>> x11 forwarding
>>>
>>> x display option: localhost:0.0
>>>
>>>
>>>
>>> I do not set the DISPLAY parameter in unix since I am using x11
>>> forwarding. So its a little different.
>>>
>>>
>>>
>>> I ran screen, executed the server. Was able to get back into the server
>>> and re-attach to my session.
>>>
>>>
>>>
>>> How do I get back into the x11 forwarding of the GUI installer? I think
>>> I did this a few years ago, but I can't remember how. I need to kick off
>>> installs and leave, plus my VPN can drop me during the install.
>>>
>>>
>>>
>>> I am re-attached to my screen session, but dont know how to get back
>>> into the GUI installer.
>>>
>>>
>>>
>>> anyone know?
>>>
>>>
>>> This e-mail, including attachments, may include confidential and/or
>>> proprietary information, and may be used only by the person or entity
>>> to which it is addressed. If the reader of this e-mail is not the
>>> intended
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>>
>>
> --
> Martin Bach
> Enkitec
> www.enkitec.com
> martincarstenbach.wordpress.com
>

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Atenciosamente
Waldirio
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