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Indeed, using dpkg instead of apt or apt-get is most likely the reason it did not work. This is because in Debian and its derivatives, dpkg is the low-level program with the only task of installing a given (set of) deb package(s) into the system. But dpkg by
itself has no dependency resolution mechanism, which is what apt (or apt-get) is doing (and these, if I understand correctly, internally defer all the installation tasks to dpkg once they are done resolving dependencies).<br class="">
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Guillaume</div>
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<div class="">On 8 Oct 2021, at 22:10, Tom Goddard via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:</div>
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The ChimeraX download page says to install using
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<div class=""><span style="font-family: monospace; font-size: inherit; background-color: rgb(240, 240, 240);" class="">sudo apt-get install ~/Downloads/ucsf-chimerax_1.2.5-1_amd64.deb</span></div>
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<div class="">So it might be worth trying that instead of what you tried "sudo dpkg -i ucsf-chimerax_1.2.5-1_amd64.deb".</div>
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<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>Tom</div>
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<div class="">On Oct 8, 2021, at 12:59 PM, Tom Goddard via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:</div>
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Hi Stephen, </div>
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<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Ok,
sorry I don't use Linux much so I don't know why the package manager won't install those dependencies. Our Linux expert Greg is back from vacation next Wednesday and would have suggestions I am sure. But in the meantime the mailing list message I linked
to suggested a fix to a reported Qt xcb load problem that involved installing some missing package and you could try what it suggests. I know Greg strongly discourages using the "generic Linux" ChimeraX distribution because this kind of missing library problem
you describe is common since Linux distros vary so much in what system libraries they include.</span>
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<span class="Apple-tab-span" style="white-space: pre;"></span>Tom</div>
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<div class="">On Oct 8, 2021, at 12:50 PM, Stephen P. Molnar via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:</div>
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<div bgcolor="#FFFFFF" text="#000000" class="">That was a quick reply. Many thanks.<br class="">
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However:<br class="">
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comp@AbNormal:~/Downloads/ChimeraX$ sudo dpkg -i ucsf-chimerax_1.2.5-1_amd64.deb<br class="">
Selecting previously unselected package ucsf-chimerax.<br class="">
(Reading database ... 509458 files and directories currently installed.)<br class="">
Preparing to unpack ucsf-chimerax_1.2.5-1_amd64.deb ...<br class="">
Unpacking ucsf-chimerax (1.2.5-1) ...<br class="">
dpkg: dependency problems prevent configuration of ucsf-chimerax:<br class="">
�ucsf-chimerax depends on libgfortran3; however:<br class="">
� Package libgfortran3 is not installed.<br class="">
�ucsf-chimerax depends on libllvm3.8; however:<br class="">
� Package libllvm3.8 is not installed.<br class="">
�ucsf-chimerax depends on libssl1.0.0; however:<br class="">
� Package libssl1.0.0 is not installed.<br class="">
<br class="">
dpkg: error processing package ucsf-chimerax (--install):<br class="">
�dependency problems - leaving unconfigured<br class="">
Processing triggers for man-db (2.8.5-2) ...<br class="">
Errors were encountered while processing:<br class="">
�ucsf-chimerax<br class="">
<br class="">
<br class="">
<br class="">
<div class="moz-cite-prefix">On 10/08/2021 03:22 PM, Tom Goddard wrote:<br class="">
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<blockquote cite="mid:71F2BD20-53FA-44CD-8AD8-BB2D910ECAA6@sonic.net" type="cite" class="">
Hi Stephen,
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<div class="">� Our linux ChimeraX expert is on vacation but here is an idea. �The problem is that the Qt window toolkit can't start and that is almost surely a missing system library, probably one that the Qt xcb plugin shared library needs. �I see a
ChimeraX mailing list discussion of this problem here</div>
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</div>
<div class=""><a moz-do-not-send="true" href="https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-June/002339.html" class="">https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-June/002339.html</a></div>
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</div>
<div class="">Supposedly the ChimeraX 1.2.5-1 builds on the download page solved that issue. �If you are using the "generic Linux" ChimeraX distribution I'd suggest instead using the Ubuntu 18.04 ChimeraX version which is a .deb file for debian 10 according
to the ChimeraX download page. �The advantage of using the .deb distribution is that it uses the Debian package manager to assure the needed libraries are installed, while the "generic Linux" ChimeraX .tar.gz file tries to include �the needed libraries
but not always successfully since different linux distros include different system libraries.</div>
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>Tom</div>
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<div class="">On Oct 8, 2021, at 12:04 PM, Stephen P. Molnar via ChimeraX-users <<a moz-do-not-send="true" href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:</div>
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<div class="">I am attempting the installation of ChimeraC-1.2.5(chimerax-1.2.5-rc-2021.05.24) on my up to date Debian v-1064 bit platform. I �open the tar.gz package without any difficulties, but when I attempt to execute ChmieraX i get the following:<br class="">
<br class="">
<a class="moz-txt-link-abbreviated" href="mailto:comp@AbNormal:~/Apps/chimerax-1.2.5-rc-2021.05.24/bin$">comp@AbNormal:~/Apps/chimerax-1.2.5-rc-2021.05.24/bin$</a><span class="Apple-converted-space"> </span>./ChimeraX<br class="">
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.<br class="">
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.<br class="">
<br class="">
Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.<br class="">
<br class="">
Fatal Python error: Aborted<br class="">
<br class="">
Current thread 0x00007fcb3dafd740 (most recent call first):<br class="">
�File "/home/comp/Apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/chimerax/ui/gui.py", line 157 in __init__<br class="">
�File "/home/comp/Apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/ChimeraX_main.py", line 577 in init<br class="">
�File "/home/comp/Apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/site-packages/ChimeraX_main.py", line 1015 in <module><br class="">
�File "/home/comp/Apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/runpy.py", line 87 in _run_code<br class="">
�File "/home/comp/Apps/chimerax-1.2.5-rc-2021.05.24/lib/python3.8/runpy.py", line 194 in _run_module_as_main<br class="">
Aborted<br class="">
<a class="moz-txt-link-abbreviated" href="mailto:comp@AbNormal:~/Apps/chimerax-1.2.5-rc-2021.05.24/bin$">comp@AbNormal:~/Apps/chimerax-1.2.5-rc-2021.05.24/bin$</a><br class="">
<br class="">
xcb is installed, but the Debian v-10 default version of python is 3.7. Is this the problem?<br class="">
<br class="">
Is there a solution? Reinstalling did not fix the problem.<br class="">
<br class="">
Thanks in advance.<br class="">
<br class="">
--<span class="Apple-converted-space"> </span><br class="">
Stephen P. Molnar, Ph.D.<br class="">
<a moz-do-not-send="true" href="http://www.molecular-modeling.net/" class="">www.molecular-modeling.net</a><br class="">
614.312.7528 (c)<br class="">
Skype: �smolnar1<br class="">
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<pre class="moz-signature" cols="72">--
Stephen P. Molnar, Ph.D.
<a class="moz-txt-link-abbreviated" href="http://www.molecular-modeling.net/">www.molecular-modeling.net</a>
614.312.7528 (c)
Skype: smolnar1
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