This article shows you how to update the Linux / Debian 10 operating system to the latest version, 11 Bullseye.
Debian is an operating system that uses the Linux kernel and was first released in 1996 by Ian Murdock. This operating system consists of open-source software packages. Debian software is free and publicly available under other software licenses.
Debian is also one of the oldest Linux distributions in the open-source software world. This operating system is also the basis for Ubuntu, the most popular desktop version of Linux today.
Besides providing systems for computing devices, it also offers thousands of free software in its repository. The most important feature that distinguishes Debian from other Linux distributions is its package management system.
If you use Debian version 10 or an older version on your computer, you can update your system to the latest version to make your system more stable and secure.
You can follow this video tutorial or the steps below to upgrade the Debian 10 Buster version installed on your PC to Debian 11 Bullseye.
Step 1: Before updating your computer, you need to update the packages and software on your system. To do this, open the terminal and run the sudo apt update and sudo apt upgrade commands, respectively.
sudo apt update
sudo apt upgrade
Step 2: Once you have prepared your system for the update, you can upgrade. However, you must replace your old version’s repository addresses with the new version’s codename. To replace Buster addresses in the repository list with Bullseye, you can do this automatically by running the command sudo sed -i ‘s/buster/bullseye/g’ /etc/apt/sources.list in the terminal.
sudo sed -i 's/buster/bullseye/g' /etc/apt/sources.list
Step 3: After editing the repository file, update the package list with the sudo apt update command depending on the relevant addresses.
sudo apt update
Step 4: After preparing your PC, you can now proceed to the upgrade process. For a complete Debian upgrade, run sudo apt full-upgrade in the terminal.
sudo apt full-upgrade
Step 5: Depending on the Internet connection your PC is connected to, it may take time to download the packages. After updating your system, run the sudo apt –purge autoremove command in the terminal to remove unnecessary packages.
sudo apt --purge autoremove
Step 6: Finally, restart your computer with the sudo reboot command for the changes to take effect.
Step 7: After logging in to your system, open the terminal again and run the lsb_release -a and uname -r commands to check the new version and kernel of Debian.
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