A version of wkhtmltox with patched Qt, useful for Odoo Reports on Ubuntu 18 LTS -
Instead of this file now you can install wkthmltopdf from its orginital source for Odoo 11 on Ubuntu Bionic LTS.
Go through - This link on Odoo.com
sudo wget https://builds.wkhtmltopdf.org/0.12.1.3/wkhtmltox_0.12.1.3-1~bionic_amd64.deb
sudo dpkg -i wkhtmltox_0.12.1.3-1~bionic_amd64.deb
sudo apt-get install -f
sudo ln -s /usr/local/bin/wkhtmltopdf /usr/bin
sudo ln -s /usr/local/bin/wkhtmltoimage /usr/bin