On an odoo installation, I got the error “Unable to find Wkhtmltopdf on this system”, when generating reports.
This error was because server had old version of wkhtmltopdf installed.
You can download and install latest version of wkhtmltopdf from
https://wkhtmltopdf.org/downloads.html
On Ubuntu 20.04, the error is fixed by
Remove currently installed wkhtmltox
apt remove --purge wkhtmltox
Install newer version
wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-2/wkhtmltox_0.12.6.1-2.jammy_amd64.deb dpkg -i wkhtmltox_0.12.6.1-2.jammy_amd64.deb
Create a symlink
rm -f /usr/bin/wkhtmltopdf ln -s /usr/local/bin/wkhtmltopdf /usr/bin/wkhtmltopdf
Restart odoo
systemctl restart odoo
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