How to Upgrade Debian 9 to 10

Debian Linux is a GNU project launched in 1993 by lan Murdock. It was also developed by more than 500 programmers involved in the project.

How to Upgrade Debian 9 to 10

How to Update Debian 9 to 10

Today Debian 10 Buster is the most current version and was released on July 6, 2019. In addition, the Kernel version of the Buster version, which will be supported for 5 years, is 4.19. In addition to its previous release, Debian 9 Stretch, it has multiple new features and enhancements.

What’s New in Debian 10?

The code name for Debian 10 is Buster and a summary of the new features is as follows. If you want to take a look at the detailed features, you can access the official website here.

  • UEFI Secure Boot
  • AppArmor enabled by default
  • Optional hardening of APT
  • Unattended upgrade for fixed-point versions
  • Significantly improved man pages for German-speaking users
  • Network filtering based on nftables framework by default
  • Cryptsetup defaults to LUKS2 format on disk
  • Driverless printing with CUPS 2.2.10
  • Basic support for Allwinner A64-based devices
  • News from Debian Med Blend
  • GNOME Wayland by default
  • Merged in new installations /usr

One of Buster’s most prominent new features is the UEFI Secure Boot.

How to Build Debian 9 Stretch to Debian 10.1 Buster

One of the most important steps you should take before upgrading your Debian system to a new version is Backup. Because you don’t want to lose the settings and configurations of the programs or software you use on your computer.

For example, if you use Debian Linux as a web server, it is useful to back up the settings of some software such as MySQL, PHP. Because the versions of the programs that you use during the upgrade will also be upgraded, you should make backups.

We recommend that you use TimeShift snapshot for backup before updating your Debian computer. You can simulate the TimeShift application to the System Restore service in Windows.

   Step 1

Before upgrading to Debian 10, you must configure your Debian 9 Stretch system’s Repository addresses for Buster.

Right-click on the desktop, open Terminal, and execute the following command to change the Debian Repository addresses.

sudo sed –i ‘s/stretch/buster/g’ /etc/apt/sources.list

Using Sudo Sed Command

The above command will replace all Stretch records in the repository list with Buster. After applying it, execute the following cat /etc/apt/sources.list command in Terminal to check for changes.

cat /etc/apt/sources.list

   Step 2

After editing the repository file, execute the sudo apt-get update command to perform an index refresh for the currently installed applications on your Linux system.

sudo apt-get update

Refreshing Repository List

   Step 3

Execute sudo apt-get upgrade to install new updates for your Debian system.

sudo apt-get upgrade

Installing Updates

   Step 4

After running the upgrade command, press Y to confirm the use of additional disk space, and then press Enter.

Confirm Additional Disk Usage

   Step 5

During the upgrade, press Enter to read the comments created on the terminal. Otherwise, you can press Q (q) to exit directly.

Reading Package Descriptions

   Step 6

When the Package Configuration window opens, press Enter on the Yes option to confirm starting the MiniSSDP Daemon service automatically.

Starting the MiniSSDPD Daemon Service Automatically

   Step 7

Select the interface to be listened to in the Configuring minissdpd window and press Enter on OK.

Choosing the Interface to Listen for UPnP Queries

   Step 8

In the question window of Restart services during package upgrades without asking, proceed with Yes by pressing Enter.

Restart services without prompting during package upgrades

   Step 9

In this step, execute the sudo apt-get dist-upgrade command in Terminal to upgrade your old Debian 9 version to the 10 new version.

sudo apt-get dist-upgrade

sudo apt-get dist-upgrade

   Step 10

Press Y and then Enter to confirm disk usage for the full update.

Confirming Additional Disk Space Usage

   Step 11

The update process may take some time, depending on the hardware performance of your computer and the speed of your Internet connection. When all packages are downloaded and installed over the Internet, your Linux computer will be upgraded to the new version.

After changing the system version, restart your computer, and then run the cat /etc/os-release command on the terminal to check for the new version.

cat /etc/os-release

Checking Debian 10 Buster Version

   Step 12

In addition, you can check the version from the System Info.

Debian System Information

How to Install Debian New Version ⇒ Video

You can watch the video below to increase your old Debian Linux operating system version, and subscribe to our YouTube channel to support us!

   Final Word

In this article, we have examined how to configure an old Debian system to a new version. Thanks for following us!

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