运行安装程序时经常看到如下错误：

error while loading shared libraries：...

error while loading shared libraries: libiustl.so.1: cannot open shared object file: No such file or directory


How to do :

     if libiustl.so.1 is located in /usr/local/lib,add /usr/local/lib to /etc/ld.so.conf and run sudo ldconfig, then it will be ok.