Could not open library 'xml2' : xml2:
cannot open shared object file: No such file or directory.
Could not open library 'libxml2.so' :
libxml2.so: cannot open shared object file: No such file or directory
To fix the issue, please run the following command:
sudo apt-get install ruby1.8-dev
sudo apt-get install libxml2 libxml2-dev libxslt1-dev