![]() ![]() Make sure you replace APT URL mirror name with your actual mirror name.īefore starting the upgrade procedure, you must reconfigure APT’s source-list files. Reboot the Debian 10.x buster to apply the kernel and other updates: Therefore, type the following apt command or apt-get command: Before you upgrade your Debian version to 11, you must apply all security patches and pending upgrades to Debian 10 itself. See “ apt-get hold back packages on Ubuntu / Debian Linux for more info. $ echo 'package_name install' | sudo dpkg -set-selections Then remove the host status for all listed packages one-by-one with the following command: $ sudo dpkg -get-selections | grep 'hold$' | more Hence, list all packages hold from upgrades using the apt-mark command: Update ALL existing installed packagesĪny package in hold status will create a problem with upgrade procedure. Here is what I see: No LSB modules are available.ĭescription:ĝebian GNU/Linux 10 (buster) Check os version in Linux using the lsb_release command: ![]() I use rsnapshot, which is the perfect solution for making backups on the local or remote servers. Cloud-based VMs can be quickly backup and restore using snapshots. It is crucial to back up all data and system configurations. The author and nixCraft are not responsible for data loss and failed installation. Let us see all commands step by step to upgrade Debian 10 Buster to Debian 11 Bullseye safely running in the cloud or bare metal environment. Verify that everything is working correctly.Reboot the Linux system so that you can boot into Debian 11 Bullseye.Finally, update Debian 10 to Debian 11 bullseye by running:.Prepare for the operating system minimal system upgrade, run:.Update the packages index on Debian Linux, run:.Next find the security line, replace keyword buster/updates with bullseye-security. Edit the file /etc/apt/sources.list using a text editor and replace each instance of buster with bullseye. ![]() Update existing packages and reboot the Debian 10 system.Python 3.9.2 (default but one can install Python 2.7.18 if needed). ![]()
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