Guenter

I cannot get the Amber and AFITT menu bars in the phenix.refine GUI on a Ubuntu (Xubuntu 18.04) box.

Do you have AFITT installed and setup following https://www.phenix-online.org/documentation/reference/afitt.html

Regarding Amber, Ubuntu is the problem child for many things including Phenix-Amber. I'm hoping Billy can help here.

I set Preferences "Enable alpha-test programs and features" (works on my Mac 10.14.6 and SciLinux6 box ).

Don't think this matters for Amber anymore as it's distributed with Phenix.

Moreover, on the Xubuntu machine: when I start the phenix.refine GUI (phenix version 1.18.2-3874) I see the following error message in the terminal running phenix:

$ phenix

Could not import the compiled Python-sander interface. Make sure you have the Python development libraries installed and that you have sourced amber.sh or amber.csh

Does it crash? Billy probably has the answers here.

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python 3.7 is installed and python development tools :

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$ python -V
Python 3.7.6

$ sudo apt list -a python3.7-dev
Listing... Done
python3.7-dev/bionic-updates,now 3.7.5-2~18.04 amd64 [installed]
python3.7-dev/bionic-security 3.7.3-2~18.04.1 amd64
python3.7-dev/bionic 3.7.0~b3-1 amd64

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Phenix 1.18.2 should be the last major release to use Python2 so you need to have it available.

Nigel