OS Centos
node version 4.0.0-pre
nightmarejs latest version
# DEBUG=nightmare:*,electron:* node --harmony example.js**electron:stderr /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64/node_modules/nightmare/node_modules/electron/dist/electron: error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory +0ms**
OS Centos node version 4.0.0-pre nightmarejs latest version
# DEBUG=nightmare:*,electron:* node --harmony example.js
**electron:stderr /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64/node_modules/nightmare/node_modules/electron/dist/electron: error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory +0ms**
How do I fix this error?