Download cert về và bỏ vào folder /usr/local/share/ca-certificates/h6009
sau đó chạy lệnh sudo dpkg-reconfigure ca-certificates
Add root ca vào cho browser và xong.
Knowing is not enough, we must apply. Willing is not enough, we must do.
wkhtmltopdf http://google.com google.pdfqt.qpa.screen: QXcbConnection: Could not connect to display
vzdump --compress gzip --dumpdir /home/backup 101 --mode stop
move the template to folder /var/lib/vz/template/cache