Re: X-Windows Over VPN Issues

I'm going to second using VNC. I love it. vncserver on your db server, and TigerVNC Viewer on Windows 10. Easy to use.

-Mark

On Tue, Apr 7, 2020 at 3:21 PM Mladen Gogala <gogala.mladen_at_gmail.com> wrote:

> Get portable version of MobaXTerm,unzip it and run it. It has built in
> server.
>
> Regards
> On 4/7/20 2:51 PM, Scott Canaan wrote:
>
> Yes, the database server is Red Hat 7 Linux. I don’t type any ssh
> commands when I log in, it just connects when I chose a server.
>
>
>
> *Scott Canaan ‘88*
>
> *Sr Database Administrator *Information & Technology Services
> Finance & Administration
>
>
> *Rochester Institute of Technology *o: (585) 475-7886 | f: (585) 475-7520
>
> *srcdco_at_rit.edu <srcdco_at_rit.edu>* | c: (585) 339-8659
>
> *CONFIDENTIALITY NOTE*: The information transmitted, including
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>
> *From:* Sweetser, Joe <JSweetser_at_icat.com> <JSweetser_at_icat.com>
> *Sent:* Tuesday, April 7, 2020 2:21 PM
> *To:* Scott Canaan <srcdco_at_rit.edu> <srcdco_at_rit.edu>; '
> oracle-l_at_freelists.org' <oracle-l_at_freelists.org> <oracle-l_at_freelists.org>
> *Subject:* RE: X-Windows Over VPN Issues
>
>
>
> I am assuming the database server is Linux. If so, what ssh command do
> you use from secureCRT to log into the database server? I had similar
> problems with Cygwin in the past that were resolved (at least partly) by
> using: ssh –Y oracle_at_hostname
>
>
>
> Note that in Cygwin the DISPLAY variable was automatically set to
> localhost:10.0
>
>
>
> Hth,
>
> -joe
>
>
>
> *From:* oracle-l-bounce_at_freelists.org <oracle-l-bounce_at_freelists.org> *On
> Behalf Of *Scott Canaan
> *Sent:* Tuesday, April 7, 2020 12:10 PM
> *To:* 'oracle-l_at_freelists.org' <oracle-l_at_freelists.org>
> *Subject:* X-Windows Over VPN Issues
>
>
>
> With everyone working from home, a new issue has arisen. We can’t get
> x-windows to work over VPN. That makes it difficult to run things like
> dbua.
>
>
>
> Our environment:
>
> Windows 10 laptop – at home connected via Cisco VPN to work
>
> Xming running on laptop
>
> SecureCRT running on laptop, under Options -> session options, X11
> Forwarding turned on
>
>
>
> Linux 7 server
>
> Oracle 12, 18, and 19
>
>
>
> I’ve tried setting the DISPLAY to the IP address on my laptop (from
> ipconfig) and to 127.0.0.1:0.0.
>
>
>
> When I try to run dbua, it sits for a while then returns the following
> error:
>
>
>
> Exception in thread "main" java.lang.NoClassDefFoundError: Could not
> initialize class sun.awt.X11.XToolkit
>
>
>
> I’m sure someone has been able to get this to work. If anyone can let me
> know what needs to be done, I’d really appreciate it.
>
>
>
> Thank you,
>
>
>
> *Scott Canaan ‘88*
>
> *Sr Database Administrator *Information & Technology Services
> Finance & Administration
>
>
> *Rochester Institute of Technology *o: (585) 475-7886 | f: (585) 475-7520
>
> *srcdco_at_rit.edu <srcdco_at_rit.edu>* | c: (585) 339-8659
>
> *CONFIDENTIALITY NOTE*: The information transmitted, including
> attachments, is intended only for the person(s) or entity to which it is
> addressed and may contain confidential and/or privileged material. Any
> review, retransmission, dissemination or other use of, or taking of any
> action in reliance upon this information by persons or entities other than
> the intended recipient is prohibited. If you received this in error, please
> contact the sender and destroy any copies of this information.
>
>
>
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> --
> Mladen Gogala
> Database Consultant
> Tel: (347) 321-1217
>
>

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