How to Upgrade Debian 8 Jessie to Debian Linux 9 Stretch {safely}
Creado: 18-08-20 (Actualizado: 23-02-22)
This easy to follow Tutorial shows you how to upgrade from Debian 8 Jessie to Linux Debian 9 Stretch safely. Use the easiest way to upgrade your system now!
https://phoenixnap.com/kb/how-to-upgrade-debian-8-jessie-to-debian-9-stretch