yum install xorg-x11-server-Xvfb
yum install xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi
wget http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-centos7-amd64.rpm
rpm -ivh wkhtmltox-0.12.2.1_linux-centos7-amd64.rpm
{{ message }}