###Error1: -> If you are getting the following error : "cannot open shared object file: No such file or directory"
$>./app_name
$>error while loading shared libraries: app_lib.so.11: cannot open shared object file: No such file or directory
###Solution1: ->Search app_lib.so.11 file in the computer
$>find / |grep "app_lib.so.11"
$>/usr/local/lib/app_lib.so.11
->Check the existence of the path (in my case "/usr/local/lib/") present in the dynamic library path environnement
$> echo $LD_LIBRARY_PATH
-> If not set, then set the path
$>LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
$>export LD_LIBRARY_PATH
-> Run the application
$> ./app_name