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From Mike Jumper <>
Subject Re: Docker installation problem
Date Tue, 29 Aug 2017 22:31:09 GMT
On Tue, Aug 29, 2017 at 7:08 AM, Suncatcher16 <>

> One last question: how should one install Duo on Docker version? On regular
> Guacamole we copied *guacamole-auth-duo-0.9.13-incubating.jar* to
> GUACAMOLE_HOME/extensions and all is get working.
> Here I copy JAR to */root/.guacamole/extensions* of Guacamole container,
> restart container and see nothing. It doesn't prompt me for Duo
> authentication. Am I missing smth?
Manually modifying the contents of the container will not work, as the
container's startup process automatically regenerates the contents of the
GUACAMOLE_HOME based on the environment variables passed in when the
container was created.

The Guacamole Docker image provides a special mechanism for seeding the
image with a skeleton GUACAMOLE_HOME, leveraging the "GUACAMOLE_HOME"
environment variable and a volume mount. This allows the image to be used
with arbitrary extensions and properties, not just those which the image
explicitly supports/bundles. Take a look at:

- Mike

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