This plugin export wiki to pdf.
Clone the code of the plugin to the folder REDMINE/plugins. Run the migrations.
cd REDMINE/plugins
git clone https://github.com/twinslash/redmine_chilli_pdf.git
cd redmine_chilli_pdf
bundle install
Restart your server.
Remove the plugin.
cd REDMINE/plugins
rm -rf redmine_chilli_pdf
Restart your server.