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So i just Installed Cisco Packet Tracer 7.2.1. on my Ubuntu 19.04, so I wanted to run it but it just tells:

aruberuto@aru-ubuntu:~$ packettracer Starting Packet Tracer 7.2.1

But doesn't happen anything, I figured something was wrong so i opened /opt/pt/bin and tried to open from there with ./PacketTracer7:

aruberuto@aru-ubuntu:~$ cd /opt/pt/bin aruberuto@aru-ubuntu:/opt/pt/bin$ ./PacketTracer7 ./PacketTracer7: error while loading shared libraries: libpng12.so.0: cannot open shared object file: No such file or directory

And tells me that the library libpng.so.0 doesn't exist. And i tried to install a lot of packages for trying to solve it but it tells me that libpng.so.0 cant be updated because it doesn't exist.

I need help ;(

Aruberuto
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1 Answers1

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I myself struggled this problem so many times and tried to solve it by installing the missing packets/libraries. There are many instructions to do so.

However this was a dead-end for me (and for most). So I found the cure by installing Packet Tracer with Wine. Here is the link.

Packet Tracer 7.2.1 still won't work with Wine so I installed an old version of Packet Tracer which is 6.2.0.

This is the developers' fault as they don't make the software compatible with the new libraries. Shame on Cisco.

kylethedeveloper
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  • You are correct, and the thing is, if i couldnt install ver7, i was going to install ver6. Thank u for the link, gonna try it later when im able and ill tell u how its going. Thanks! – Aruberuto Nov 09 '19 at 10:58