How to Install LS-PrePost in Ubuntu
Some Problems and the Solutions
Problem:
Missing libpng12-0 for LSPrePost
Solution:
sudo add-apt-repository ppa:linuxuprising/libpng12
sudo apt update
sudo apt install libpng12-0
Problem:
Missing canberra-gtk-module
Solution:
#sudo apt install libcanberra-gtk-module libcanberra-gtk3-module
Problem:
Segmentation fault (core dumped)
Solution:
Make sure you have swap in partition at least equal to your RAM, in my case 8 GB.