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2015-04-21 12:27:37 -0500 asked a question Running Gazebo on a headless OpenStack instance: "Unable to create glx visual"

I am trying to run Gazebo and the associated gazebo_ros package on a headless OpenStack instance, and using the gzweb software to access it through a browser. I do not need gzclient to be running on this instance at all. When I run the following command:

~$ gazebo

it shows the following error:

Error [RenderEngine.cc:680] Unable to create glx visual

Warning [RenderEngine.cc:88] Unable to create X window. Rendering will be disabled

Other similar questions on the ROS questions site (such as here and here) suggest using DISPLAY=:0, but when I add this into the command as follows:

DISPLAY=:0 gazebo

it gives me a different error:

Error [RenderEngine.cc:665] Can't open display: :0

Any suggestions on how to remedy this issue? Any help would be greatly appreciated.

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2015-03-31 14:10:03 -0500 commented answer GZWeb: Open and Save Worlds

Excellent, thank you. Such fast and helpful responses in this community!

2015-03-31 14:09:17 -0500 commented answer GZWeb: Security Options?

Unfortunate, but a quick and clear answer. Thank you.

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2015-03-31 13:24:04 -0500 asked a question GZWeb: Security Options?

Hello,

Quick question about gzweb, the web client for Gazebo. I've set it up and it's working perfectly, no problems connecting. Is there any way to put some sort of security on it though? With the default install, I can connect to the web client from any computer on the open internet, which is a bit unnerving. Can access to the WebUI be credential protected in some way, or perhaps limited to access from specific IPs?

Thanks!

2015-03-31 13:22:04 -0500 asked a question GZWeb: Open and Save Worlds

Hi everyone,

I'm learning to use gzweb, the web client for Gazebo, and I'm quite a fan. However, it seems that documentation on it is rather lacking, and I can't figure out the simplest task. How can I open and save worlds on the server? Is there a way to open and save them from the web client, or does it have to be done on the server somehow?

Thanks!