[chimerax-users] Installing ChimeraX on Ubuntu 16.04 or openSuse Leap 15.2

[Greg Couch]

ChimeraX 1.4 (and the 1.5 release candidate) needs Ubuntu 20 or newer.  
So the procedure for Ubuntu is to first update the operating system.  
Then install ChimeraX.

Unfortunately, we don't support openSUSE.  But I was able to get the 
RHEL 8 rpm to appear to work on openSUSE 15.4.   So, after downloading 
ucsf-chimerax-1.4-1.el8.x86_64.rpm:

     sudo zypper install ~/Downloads/ucsf-chimerax-1.4-1.el8.x86_64.rpm

then skip the missing cario-gobject (since I installed Xfce instead of 
Gnome).  Then it complains that the package header is not signed.  
Ignore that.  Then, not all of the dependencies are there.  Fix the 
missing libGLU.so with:

     sudo zypper install libGLU1

then fix the fact that openSUSE has libffi.so.7 and ChimeraX is 
expecting libffi.so.6 with:

     sudo ln -s /usr/lib64/libffi.so.7 
/usr/libexec/UCSF-ChimeraX/lib/libffi.so.6

And after all that, I was able to run /usr/bin/chimerax.  There were 
some warnings and errors in the terminal window, but I was able to open 
an mmCIF file from the PDB.  So not a complete test, but a good start.

     HTH,

     Greg

On 10/18/2022 6:55 AM, Miguel via ChimeraX-users wrote:
> Hello,
>
> I am trying to install ChimeraX on Ubuntu 16.04 or openSUSE Leap 15.2 
> without success.
>
> Is it possible? If so, what would be the procedure?
>
> Thanks,
> Miguel
>
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