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1. Scriptcase how to upgrade from version 8 to version 9 install#
2. Scriptcase how to upgrade from version 8 to version 9 update#

As you can see all of the lines are currently specifying “jessie”. Edit the /etc/apt/sources.list file, my file is shown below.In my case all updates have been applied already, so it’s fine to proceed.

Scriptcase how to upgrade from version 8 to version 9 update#

:~# apt-get update :~# apt-get upgradeĠ upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Scriptcase how to upgrade from version 8 to version 9 install#

It is recommended that you have your Debian 8 Jessie installation completely up to date before starting, to do this run “apt-get update” followed by “apt-get upgrade” and install available updates.:~# cat /etc/debian_versionīefore proceeding with the upgrade, please read through the list of issues to be aware of when upgrading to Stretch. In this example we’ll be upgrading from Debian 8.8. Performing the upgrade to Debian 9 Stretch In the case of a virtual machine, take a snapshot before starting. It is strongly recommended that you have a full system backup or backup of any important data before proceeding with the upgrade, ensure that you have a plan to roll back.The upgrade involves a kernel update, so a reboot will be required toward the end of the process.If you are running a version older than 8, you must first upgrade to 8 before working through this process. Upgrading to Debian 9 Stretch is only supported from Debian 8 Jessie.While you can install Debian 9 Stretch fresh, you can also perform an in place upgrade from Debian 8 Jessie quite easily, which is what we will cover here.įor full documentation on the process, it is suggested that you also read through the official release notes. Debian 9 Stretch was released as the latest stable version of the Linux Debian operating system today.