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libc6:i386 libasound2:i386 libasound2-data:i386 libasound2-plugins:i386 libstdc++6:i386 libx11-6:i386 libxau6:i386 libxcb1:i386 libxcursor1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxinerama1:i386 libxrandr2:i386 libxrender1:i386 libglu1:i386In the old Ubuntu 14.04 it was very easy: I just needed to go to Ubuntu Software Center and type the name of the library in the "search" field and it show me the package where the library is.... The new Ubuntu Software doesn't allow you to do that; it only show apps... And the is no way to install the old USC in the new Ubuntus...
So, how to search and install these libraries on Ubuntu/Xubuntu 18.04?
libz.so.1 version "ZLIB.1.2.9" not found (required by /usr/lib/i386-Linux-gnu/libpng16.so.16)If I look for libz.so.1 on synaptic, there is no result..
[https://packages.ubuntu.com/search?suite=bionic&arch=i386&mode=exactfilename&searchon=contents&keywords=libz.so.1](https://packages.ubuntu.com/search?suite=bionic&arch=i386&mode=exactfilename&searchon=contents&keywords=libz.so.1)
Ubuntu 18.04 uses zlib 1.2.11, so you're probably having a conflict between the libraries in your system and older versions shipped with Trine. I would try to delete some of the libraries included with Trine, starting with libpng16 (if present).
In Ubuntu repo the zlib package is called "zlib1g" search for that in Synaptic. Most likely the system only came with 64bit library preinstalled. The 32bit one can be found as "zlib1g:i386" and you have to install that manually.
Deleting all the Trine libraries throw an error about some missing libpng12...
so for future reference:
To find out what (installed) package owns a file:
dpkg -S fileSince you are missing it, it obviously wont be installed so you will need apt-file
apt-file search fileFor some reason this nifty tool is not a part of most apt based distros, so you will need to install and update it first:
apt install apt-fileapt-file update