<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">I think you would need to issue the following command:</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">sudo dpkg -i <span style="font-family:Arial,Helvetica,sans-serif">ucsf-chimerax_1.5ubuntu20.04_a</span><span style="font-family:Arial,Helvetica,sans-serif">md64.deb</span><span style="font-family:Arial,Helvetica,sans-serif"> </span></div><div class="gmail_default" style="font-family:arial,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif"><br></span></div><div class="gmail_default" style="font-family:arial,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif"><br></span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 12, 2023 at 7:56 AM Stephen P. Molnar via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu">chimerax-users@cgl.ucsf.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I am running an up-to-date installation of Debian Bullseye on my Linux <br>
platform.<br>
<br>
My attempt to install ucsf-chimerax_1.5ubuntu20.04_amd64.deb generated <br>
an interesting error message:<br>
<br>
     sudo apt install ucsf-chimerax_1.5ubuntu20.04_amd64.deb [sudo] <br>
password for comp:<br>
     Reading package lists... Done<br>
     Building dependency tree... Done<br>
     Reading state information... Done<br>
     E: Unable to locate package ucsf-chimerax_1.5ubuntu20.04_amd64.deb<br>
<br>
I have managed to install Chimera, both Linux and Windows versions, many <br>
times without any problems.<br>
<br>
Guidance would be much appreciated.<br>
<br>
Thanks in advance,<br>
<br>
-- <br>
Stephen P. Molnar, Ph.D.<br>
<a href="https://insilicochemistry.net" rel="noreferrer" target="_blank">https://insilicochemistry.net</a><br>
(614)312-7528 (c)<br>
Skype:  smolnar1<br>
<br>
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</blockquote></div>