GNU/Linux Ubuntu 20.10 Installing libtiff4 Guide
Hi! The Tutorial shows you Step-by-Step How to Install libtiff4 and libtiff4-dev Packages on Ubuntu 20.10 Groovy GNU/Linux.
Especially relevant: you should try first to Setup the available libtiff5 Library and see if it Fix your issue.
And libtiff4 for Ubuntu Groovy is the Tag Image File Format (TIFF) library.
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1. Launching Terminal
How to QuickStart with Command Line on Ubuntu GNU/Linux