How to upgrade from Debian 9 to Debian 10

Whats new in Debian 10?

  • UEFI Secure Boot
  • AppArmor enabled per default
  • Optional hardening of APT
  • Unattended-upgrades for stable point releases
  • Substantially improved man pages for German speaking users
  • Network filtering based on nftables framework by default
  • Cryptsetup defaults to on-disk LUKS2 format
  • Driverless printing with CUPS 2.2.10
  • Basic support for Allwinner A64 based devices
  • News from Debian Med Blend
  • GNOME defaults to Wayland
  • Merged /usr on fresh installs
  • News from Debian Live team

For the security reasons please backup before procedding with upgrade.

Make sure You have upgraded your debian distribution to the latest old-stable release. Run following commands from the console:

sudo apt-get update

sudo apt-get upgrade

If you are up-to-date with Debian 9 distribution you can proced to the next chapter:

Upgrade to Debian 10:

First edit with your favorite editor the /etc/apt/sources.list file. You can change the file also with sed command:

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

After that you are able to upgrade to the Debian 10 system by running following commands:

apt-get update

apt-get upgrade

apt-get dist-upgrade

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