![]() Please ensure your Access Manager instance is backed up or has a VM snapshot before performing the below. This article contains instructions on how to perform this upgrade from a command-line shell. It is recommended to only upgrade one Debian release at a time so this article details upgrading your OS from Debian 10 (buster) to Debian 11 (bullseye). However, the current version of Debian is 11 (Bullseye), so if you wish to upgrade to the current OS, then this article will show you how to do this, as Access Manager has been tested to work on this release. The Long Term Support itself should last until mid 2024 so there is no requirement to upgrade the OS yet to this version as you will still get security patches. ![]() That’s all! We have successfully upgraded to Debian 11 Bullseye from Debian 10 Buster.Debian 10's (buster) will soon go from standard support to Long Term Support (LTS) somewhere around August 2022. $ sudo systemctl rebootĪfter reboot, make sure to verify the upgrade. When it finishes, simply reboot the machine and enjoy Debian 11 in all of its wonder!. The installer will allow the services to be restarted as needed if the user chooses.Īs with the fresh Debian 11 install, it is suggested that the user let the system run the upgrade and periodically check in on it as this process will take some time. The Internet connection speed will play a large role in the upgrade as the upgrade will require about a Gigabyte or more of new packages to be downloaded.ĭepending on the system’s configuration and installed packages there may be some prompts that require user intervention. Once the utilities have updated the list of packages, it is time to start the upgrade from Debian 10 to Debian 11 process. The next step now is to refresh the list of packages available for installation. ![]() Debian 11 APT Sources List File Upgrading to Debian 11 from Debian 10 Newly modified /etc/apt/sources.list file. # bullseye-updates, previously known as 'volatile' Now replace the original ‘ Buster‘ lines with the following lines in the /etc/apt/sources.list file to ‘ Bullseye‘ as seen in the below screenshot. Original /etc/apt/sources.list Debian 10 APT Sources List File $ sudo cp -v /etc/apt/sources.list /root/ Assuming a standard /etc/apt/sources.list file.įirst, make sure to backup sources.list file and then do changes as shown. Now it is time to do is prepare the system to look at the new repositories for ‘ Bullseye‘. Once updates finish, you need to reboot the system to apply the kernel and other updates: $ sudo systemctl reboot ![]() To completely update the system issue the following command as root or with the ‘ sudo‘ utility: # apt update Personally, recommend that the current system be completely updated before attempting a distribution upgrade but this is likely unnecessary. If a backup/tar file can be made, it is strongly recommended before continuing.ĭisclaimers out of the way, let’s begin the upgrade process. The first step before the upgrade is to back up any important data! While this is often unnecessary, the one time that a backup isn’t made, something will fail and break the system. An upgrade the other day took about an hour due to slow download speeds from the Debian US repository, likely because a lot of people are upgrading at the moment. For those wishing to upgrade from Debian 10 Buster to Debian 11 Bullseye, the process is very simple but does take a while depending on the connection speed to the Internet.
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