Even gdm has the option to allow session ... / 2012-03-01

2012-03-01 Even gdm has the option to allow session ...
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Even gdm has the option to allow sessions via XDMCP over the network, but it is (rightfully) disabled by default. I used Xnest to debug an issue with gdm. The configuration (at least this bit) is in /etc/gdm/custom.conf :
And now I can debug some gdm settings with
$ Xnest :1 -query thompson
And see the results in an X session in an X session.

And I debugged the problem: the minimal uid needed to get an account listed in the gdm greeter is taken from /etc/login.defs. The documentation for gdm lists the MinimalUID option but this gdm (version 2.30.2.is.2.30.0-0ubuntu5.2 from ubuntu 10.04.4 LTS) ignores that option.

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