In this step-by-step guide, we are going to show you the many methods available on Linux operating systems for doing a package downgrade. How To Downgrade Ubuntu 21.04 To 20.04?
To begin, we will use the apt command to bring the versions of the Linux packages we have installed down. First and foremost, you need to be aware of the version of each item that is currently installed on your system.
Execute the apt command with the policy switch to determine whether version of the given package is currently installed:
Firefox under the appropriate policy
After determining the version of Firefox that is currently installed on your system, you will need to execute the following command in order to roll back Firefox to an older version.
For instance, we are switching to Firefox from Chrome:
sudo apt install firefox=65.0+build2-0ubuntu1
Using the dpkg command, this procedure will allow us to roll back the current version of the Linux packages.
This instruction is simple and can be understood in a short amount of time. The command that follows will uninstall the version that is now installed and then install the version that you want for that particular package.
sudo dpkg -i package-file name-x.0.2.deb
By using the synaptic package manager, we are able to bring the currently installed packages back to their previous versions.
Installing a synaptic package manager is the initial step in this process. Installing requires that you use the following command:
sudo apt-get update
sudo apt-get install synaptic
Once the installation has been completed, you should go to the Synaptic package manager. In the top right-hand corner of the Synaptic Program Manager, there should be a search box that you can use to look for the name of a certain package. How To Downgrade Ubuntu 21.04 To 20.04?
Now, choose the Package whose version you want to downgrade, and then select the Force version option from the Package menu’s drop-down menu. You are able to see the versions that are currently available, giving you the option to downgrade your package to an older version.
How can I go about downgrading the version of Ubuntu?
The most current version of a package is always the one that apt strives to install by default. Pinning, on the other hand, allows you to override this behavior: you may declare that packages from an older version have greater priority than the ones that are already installed, which causes the existing packages to be downgraded when you run aptitude dist-upgrade. Then run aptitude dist-upgrade .
What are the steps I need to take to roll back to an earlier version of Ubuntu?
To restore your Ubuntu system, go to the Function menu, choose the System restore option, and then choose the restore point you want to use. In the next box, choose whether you want to do a complete system restoration or only a restore of the System files only. In addition, you have the option of deciding whether or not to restore the user’s configuration files.
How long will support for Ubuntu 21.04 be available?
After its first release, Ubuntu 21.04 will be maintained for a period of nine months with crucial app updates, bug fixes, and security patches. The termination of support is scheduled for January 2022. From Ubuntu 21.04, the “upgrade” to Ubuntu 21.10 is the version that is recommended.
How can I use the command line to upgrade from Ubuntu 18.04 to 20.04?
Procedure to update Ubuntu 18.04 to 20.04
Make sure you have a backup of your server or virtual machine.
Executing the command $ sudo apt update && sudo apt upgrade will upgrade all of the packages that are currently installed in Ubuntu version 18.04.
In order to restart the Ubuntu Linux system, type the following command into the terminal: $ sudo reboot.
How can I get Ubuntu 20.04 back to its original settings?
In order to begin the process of automatic reset, please follow these steps:
In the Resetter box, choose the Automatic Reset option, and then click…
After that, it will go through and display all of the packages that it intends to uninstall…
It will begin the process of resetting everything, as well as establish a default account and provide you credentials for that user…
When you are completed, you should restart your system.
How can I lower my kernel version?
Step 1: Browse through the list of kernels that are now accessible in UMKI….
Step 2: With the help of your mouse, choose the older version of the kernel to which you want to downgrade…
Step 3: After you have completed installing the kernel, you will need to restart your computer.
How do I restore my Linux computer to an earlier date?
Launch the main window for Systemback, choose any one of the system restore points, and then click the System Restore button that can be found in the Function Menu. You are going to be prompted to choose whether you want to execute a complete restoration, a restore of the system files, or a restore of only the user(s) configuration files. After making your selection, proceed by clicking the button labeled “Next.”
Can I reinstall Ubuntu without losing data?
A fresh installation of Ubuntu will not have any impact on the user’s own data and files, unless the user specifically asks the installation procedure to format a disk or partition.