Ticket #3334: 20200528_Chimerax_ubuntu_20_04_install_fail_log

Selecting previously unselected package libdc1394-22:amd64.
(Reading database ... 202469 files and directories currently installed.)
Preparing to unpack .../libdc1394-22_2.2.5-2.1_amd64.deb ...
Unpacking libdc1394-22:amd64 (2.2.5-2.1) ...
Selecting previously unselected package libavdevice58:amd64.
Preparing to unpack .../libavdevice58_7%3a4.2.2-1ubuntu1_amd64.deb ...
Unpacking libavdevice58:amd64 (7:4.2.2-1ubuntu1) ...
Selecting previously unselected package libavresample4:amd64.
Preparing to unpack .../libavresample4_7%3a4.2.2-1ubuntu1_amd64.deb ...
Unpacking libavresample4:amd64 (7:4.2.2-1ubuntu1) ...
Selecting previously unselected package ffmpeg.
Preparing to unpack .../ffmpeg_7%3a4.2.2-1ubuntu1_amd64.deb ...
Unpacking ffmpeg (7:4.2.2-1ubuntu1) ...
Setting up libdc1394-22:amd64 (2.2.5-2.1) ...
Setting up libavresample4:amd64 (7:4.2.2-1ubuntu1) ...
Setting up libavdevice58:amd64 (7:4.2.2-1ubuntu1) ...
Setting up ffmpeg (7:4.2.2-1ubuntu1) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for libc-bin (2.31-0ubuntu9) ...
Selecting previously unselected package ucsf-chimerax.
(Reading database ... 202517 files and directories currently installed.)
Preparing to unpack .../chimerax-rc.deb ...
Unpacking ucsf-chimerax (1.0+rc2020.05.28) ...
Setting up ucsf-chimerax (1.0+rc2020.05.28) ...
Install desktop menu and associated mime types
linux xdg-install system true
===>Unknown command: linux xdg-install system true
dpkg: error processing package ucsf-chimerax (--install):
 installed ucsf-chimerax package post-installation script subprocess returned error exit status 1
Processing triggers for man-db (2.9.1-1) ...
Errors were encountered while processing:
 ucsf-chimerax