How to install Wkhtmltopdf for Odoo 11 on Ubuntu 17

1 Download the deb file for the wkhtmltopdf library

1. sudo wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.1/wkhtmltox-0.12.1_linux-trusty-amd64.deb

2 Download the Libpng12 library

1. wget http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb

3 Install the Libpng12 library

1. sudo dpkg -i libpng12-0_1.2.54-1ubuntu1_amd64.deb

4 Install now the wkhtmltopdf deb file

1. sudo dpkg -i wkhtmltox-0.12.1_linux-trusty-amd64.deb

5 Copy the binary files to the bin locations:

1. sudo cp /usr/local/bin/wkhtmltopdf /usr/bin
2. sudo cp /usr/local/bin/wkhtmltoimage /usr/bin

6 Restart Odoo Server, (You may need to refresh Odoo on your Browser to start downloading PDF reports)

1. service odoo restart