Re: X-Windows Over VPN Issues
From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Wed, 8 Apr 2020 22:43:20 -0500
Message-Id: <F098C9F3-36B6-4EB2-8618-BC28AA7F7AF2_at_gmail.com>
>> On Apr 7, 2020, at 1:09 PM, Scott Canaan <srcdco_at_rit.edu> wrote:
>>
>> 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 | 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.
>
Date: Wed, 8 Apr 2020 22:43:20 -0500
Message-Id: <F098C9F3-36B6-4EB2-8618-BC28AA7F7AF2_at_gmail.com>
The most likely problem is that the vpn is blocking the port. I have seen that before.
Sent from my iPad
> On Apr 8, 2020, at 22:19, Keith Moore <keithmooredba_at_gmail.com> wrote: > > I’ll second what Rich has mentioned if you are doing a sudo as part of the process. Here are the steps I have used (same as Rich’s, just cleaned up a little bit :-) ) > > echo $DISPLAY > xauth list > sudo su - oracle > xauth add [output from xauth list in original session] > export DISPLAY = [value from original session] > xclock # test > > Keith >
>> On Apr 7, 2020, at 1:09 PM, Scott Canaan <srcdco_at_rit.edu> wrote:
>>
>> 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 | 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.
>
-- http://www.freelists.org/webpage/oracle-lReceived on Thu Apr 09 2020 - 05:43:20 CEST