[wkhtmltopdf] wkhtmltopdf: cannot connect to X server

  1. Download file from this link
  2. Extract it and move executable file(/wkhtmltox/bin/wkhtmltopdf) to /usr/bin/
  3. Rename it to wkhtmltopdf if current name is not wkhtmltopdf. So that now you have an executable at /usr/bin/wkhtmltopdf
  4. Set permissions: sudo chmod a+x /usr/bin/wkhtmltopdf
  5. Install required support packages. sudo apt-get install openssl build-essential xorg libssl-dev
  6. Now, check with wkhtmltopdf http://www.google.com test.pdf hint: detail information from this link