[erlang-questions] How to get wxerlang working in in Ubuntu 14.04.4 LTS

Stefan Houtzager stefan.houtzager@REDACTED
Mon Apr 11 11:50:45 CEST 2016


Thanks Boris, I will try some things / search further with this info.

On Mon, Apr 11, 2016 at 11:36 AM, Boris Mühmer <boris.muehmer@REDACTED>
wrote:

> I don't think it is a good idea to set the DISPLAY variable like You did.
>
> I just found this link:
>
> http://fabiorehm.com/blog/2014/09/11/running-gui-apps-with-docker/
>
>
> Maybe this will give You some hints how to get it running.
>
>
> Regards,
> Boris
>
>
> 2016-04-11 11:30 GMT+02:00 Stefan Houtzager <stefan.houtzager@REDACTED>:
>
>> That could be of course. How I connect to erlang? I just start a
>> dockercontainer from a terminal session (pico):
>>
>> sudo docker run -it -h NEWCONTAINER --volumes-from stefancontainer
>> stefan/phoenix /bin/bash
>>
>> and then type erl (in the same pico editor).
>>
>> echo $DISPLAY gives :100 as response (while in the dockercontainer of
>> course), so
>> RUN echo "export DISPLAY=:100.0" >> ~/.bashrc
>> in the dockerfile seemed to work
>>
>>
>> On Mon, Apr 11, 2016 at 11:04 AM, Boris Mühmer <boris.muehmer@REDACTED>
>> wrote:
>>
>>> Maybe the problem is related to the docker environment. I only had a
>>> brief contact with docker so I am not sure if I remember everything
>>> correctly.
>>>
>>> How do You connect to Erlang in the docker environment? Do You use SSH?
>>> Do You use "-X" for the connection?
>>> Could You check if "DISPLAY" is set?! If DISPLAY is empty You will
>>> always get the above error.
>>>
>>> This is just a *pseudo example* using a ssh connection to localhost:
>>>
>>> LOCAL> ssh -X bsmr@REDACTED
>>> Welcome to Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-85-generic x86_64)
>>> REMOTE> echo $DISPLAY
>>> localhost:10.0
>>>
>>>
>>> But without a proper DISPLAY variable wx (or every other X11
>>> application) will fail.
>>>
>>>
>>> Regards,
>>> Boris
>>>
>>>
>>>
>>> 2016-04-11 10:37 GMT+02:00 Stefan Houtzager <stefan.houtzager@REDACTED>
>>> :
>>>
>>>> Thanks Boris,
>>>>
>>>> When I install libwxbase3.0-dev, libwxgtk3.0-dev and libglu1-mesa-dev
>>>> instead of  freeglut3-dev wx2.8-headers wx-common libwxbase2.8
>>>> libwxgtk2.8-dev libqt4-opengl-dev libgtk2.0-dev libgl1-mesa-dev
>>>> libglu1-mesa-dev libpng3
>>>> I get the same error on  wx:demo().
>>>> which wx-config && wx-config --version-full gives
>>>> /usr/bin/wx-config
>>>> 3.0.0.0
>>>>   Maybe I have to configure some files from within my script?
>>>>
>>>>
>>>> On Mon, Apr 11, 2016 at 10:00 AM, Boris Mühmer <boris.muehmer@REDACTED
>>>> > wrote:
>>>>
>>>>> Hello Stefan,
>>>>>
>>>>> You need to install *libwxbase3.0-dev* and *libwxgtk3.0-dev*.
>>>>>
>>>>> I also believe You should install *libglu1-mesa-dev*. I have it in my
>>>>> erlang setup dependency list, but I can not remember why this was needed.
>>>>> It is possible that the gl demo did not work without it.
>>>>>
>>>>> But "my dependency list" started with 12.04, and some things were
>>>>> manuall changed/configured with 14.04. Maybe some things are automatically
>>>>> resolved now (like libwxgtk3.0-dev automatically includes libwxbase3.0-dev
>>>>> and libglu1-mesa-dev).
>>>>>
>>>>>
>>>>> Regards,
>>>>> Boris
>>>>>
>>>>> 2016-04-11 9:22 GMT+02:00 Stefan Houtzager <stefan.houtzager@REDACTED
>>>>> >:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I would appreciate an installscript for a recent erlang version
>>>>>> on Ubuntu 14.04.4 LTS with wxerlang working.
>>>>>>   I am a starting elixir developer (and for that need erlang). I
>>>>>> would like to get wxerlang working and created a dockerimage to make my
>>>>>> installation easy portable. I use otp_src_18.3.tar.gz and install several
>>>>>> wx packages and others, I'm not sure if I miss some or install some that
>>>>>> are not needed. Anyway, after the install the output of which
>>>>>> wx-config && wx-config --version-full is
>>>>>>
>>>>>> /usr/bin/wx-config
>>>>>> 2.8.12.1
>>>>>>
>>>>>> But wx:demo(). results in an error:
>>>>>>
>>>>>> Eshell V7.3  (abort with ^G)
>>>>>> 1> wx:demo().
>>>>>> Error: Unable to initialize gtk, is DISPLAY set properly?
>>>>>> ok
>>>>>> 2>
>>>>>>
>>>>>> The most important installs in the dockerfile (just linux commands
>>>>>> after the RUN statements, phusion/baseimage:0.9.18 is Ubuntu 14.04.4 LTS
>>>>>> reworked for docker)  I copied below, the full dockerfile and the logging
>>>>>> of the output I arttached.
>>>>>>
>>>>>>
>>>>>> FROM phusion/baseimage:0.9.18
>>>>>> MAINTAINER Stefan Houtzager <stefan.houtzager@REDACTED>
>>>>>>
>>>>>> # Important!  Update this no-op ENV variable when this Dockerfile
>>>>>> # is updated with the current date. It will force refresh of all
>>>>>> # of the base images and things like `apt-get update` won't be using
>>>>>> # old cached versions when the Dockerfile is built.
>>>>>> ENV REFRESHED_AT 05-04-2016
>>>>>>
>>>>>> # Set correct environment variables.
>>>>>>
>>>>>> # Setting ENV HOME does not seem to work currently. HOME is unset in
>>>>>> Docker container.
>>>>>> # See bug : https://github.com/phusion/baseimage-docker/issues/119
>>>>>> #ENV HOME /root
>>>>>> # Workaround:
>>>>>> RUN echo /root > /etc/container_environment/HOME
>>>>>>
>>>>>> # Regenerate SSH host keys. baseimage-docker does not contain any, so
>>>>>> you
>>>>>> # have to do that yourself. You may also comment out this
>>>>>> instruction; the
>>>>>> # init system will auto-generate one during boot.
>>>>>> RUN /etc/my_init.d/00_regen_ssh_host_keys.sh
>>>>>>
>>>>>> # Use baseimage-docker's init system.
>>>>>> CMD ["/sbin/my_init"]
>>>>>>
>>>>>> # ...put your own build instructions here...
>>>>>>
>>>>>> # Set the locale
>>>>>> RUN locale-gen en_US.UTF-8
>>>>>> ENV LANG en_US.UTF-8
>>>>>> ENV LANGUAGE en_US:en
>>>>>> ENV LC_ALL en_US.UTF-8
>>>>>>
>>>>>> WORKDIR /tmp
>>>>>>
>>>>>> # See : https://github.com/phusion/baseimage-docker/issues/58
>>>>>> RUN echo 'debconf debconf/frontend select Noninteractive' |
>>>>>> debconf-set-selections
>>>>>>
>>>>>> # update and install some software requirements
>>>>>> RUN apt-get update && apt-get upgrade -y && apt-get install -y curl
>>>>>> wget git unzip autoconf make g++ gcc fop libxml2-utils xsltproc
>>>>>>
>>>>>> WORKDIR /
>>>>>>
>>>>>> RUN add-apt-repository ppa:openjdk-r/ppa
>>>>>> RUN apt-get update && apt-get install openjdk-8-jdk -y
>>>>>>
>>>>>> WORKDIR /
>>>>>>
>>>>>> # install nano (and pico)
>>>>>> RUN apt-get update && apt-get install nano -y
>>>>>>
>>>>>> # Needed for terminal handling (libc-dev libncurses5 libtinfo-dev
>>>>>> libtinfo5 ncurses-bin)
>>>>>> RUN apt-get -y install libncurses5-dev openssl libssl-dev m4
>>>>>> libncurses-dev libgmp3-dev libglu-dev
>>>>>>
>>>>>> # For building with wxWidgets
>>>>>> RUN apt-get -y install freeglut3-dev wx2.8-headers wx-common
>>>>>> libwxbase2.8 libwxgtk2.8-dev libqt4-opengl-dev libgtk2.0-dev
>>>>>> libgl1-mesa-dev libglu1-mesa-dev libpng3
>>>>>>
>>>>>> # For building ssl (libssh-4 libssl-dev zlib1g-dev)
>>>>>> RUN apt-get -y install libssh-dev
>>>>>>
>>>>>> # ODBC support (libltdl3-dev odbcinst1debian2 unixodbc)
>>>>>> RUN apt-get -y install unixodbc-dev
>>>>>> RUN apt-get -y install ncurses-dev
>>>>>> RUN wget http://www.erlang.org/download/otp_src_18.3.tar.gz
>>>>>> RUN tar -xvzf otp_src_18.3.tar.gz
>>>>>> RUN chmod -R 777 otp_src_18.3
>>>>>> WORKDIR otp_src_18.3
>>>>>> RUN ./configure
>>>>>> RUN make
>>>>>> RUN make install
>>>>>> RUN cd .. && rm -R otp_src_18.3/
>>>>>>
>>>>>> RUN echo "ERLANG_HOME=/usr/local/lib/erlang" >> ~/.bashrc
>>>>>> RUN echo "export PATH=$PATH:$ERLANG_HOME/bin" >> ~/.bashrc
>>>>>> RUN echo "export DISPLAY=:100.0" >> ~/.bashrc
>>>>>>
>>>>>> RUN apt-get purge --auto-remove openjdk-8-jdk -y
>>>>>> RUN rm -R /usr/lib/jvm
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Kind regards,
>>>>>>
>>>>>> Stefan Houtzager
>>>>>>
>>>>>> Houtzager ICT consultancy & development
>>>>>>
>>>>>> www.linkedin.com/in/stefanhoutzager
>>>>>>
>>>>>> _______________________________________________
>>>>>> erlang-questions mailing list
>>>>>> erlang-questions@REDACTED
>>>>>> http://erlang.org/mailman/listinfo/erlang-questions
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Kind regards,
>>>>
>>>> Stefan Houtzager
>>>>
>>>> Houtzager ICT consultancy & development
>>>>
>>>> www.linkedin.com/in/stefanhoutzager
>>>>
>>>
>>>
>>
>>
>> --
>> Kind regards,
>>
>> Stefan Houtzager
>>
>> Houtzager ICT consultancy & development
>>
>> www.linkedin.com/in/stefanhoutzager
>>
>
>


-- 
Kind regards,

Stefan Houtzager

Houtzager ICT consultancy & development

www.linkedin.com/in/stefanhoutzager
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