[CentOS] Testing software on CentOS 7

[Gordon Messmer]

On 3/18/19 6:39 PM, H wrote:
> Think I got it to work now, I needed to add the RUN export ... at the page you linked to.


Running "export" in your Dockerfile won't change the image that gets built.

I tried running geany in a container on Fedora and had to make two 
adjustments.  First, the Fedora SELinux policy blocks access to 
/tmp/.X11-unix, and second I had to enable local connections using 
xhost, so:

$ sudo setenforce permissive
$ xhost +local:docker
$ docker run -i -t --rm -e DISPLAY=$DISPLAY -v 
/tmp/.X11-unix:/tmp/.X11-unix -v ~/Documents:/root/Documents centos:7 
/bin/bash --login
[root at 45fdbee081d2 /]# yum -y install epel-release > /dev/null 2>&1
[root at 45fdbee081d2 /]# yum -y install geany > /dev/null 2>&1
[root at 45fdbee081d2 /]# geany
$ sudo setenforce enforcing


> I can now get geany to open, have not yet figured out how to be able to access files on the host computer...


You'd use docker-run's "-v" flag to bind-mount the directory containing 
your files in the container, as I mounted my Documents directory above.  
Take a look at the "docker-run" man page and check the documentation for 
each of the flags used in that command, at a minimum.