Note just in case - I never used the apt-get command, it according with: Difference Between apt and apt-get Explained. What years ago was apt-get can now be used only as apt, so the command looks like sudo. About to accomplish an update for the current packages installed - since Ubuntu 18:04 to 20:04 for Desktop and Server environments - I have been always using: sudo apt update sudo apt upgrade. Apt will install those packages in a few days. Most Linux users know how to update APT packages from the terminal. Simply run apt update and apt upgrade again in a few days. Apt will properly install each upgraded package automatically when your turn comes. This provides an opportunity to pause distribution if early folks report problems.ĭo not try to force the upgrades. Phased Updates is one precaution to prevent everybody from receiving a buggy package via upgrade: Some people get the upgraded a few days earlier, others a few days later. Press Ctrl+Alt+T on keyboard to open terminal, and run command to install all system updates: sudo apt update & sudo apt upgrade 6.) Restart your machine, then open terminal and run command: update-manager -d The Software Updater will pop-up and prompt you that Ubuntu 21.04 is available. That means the particular package is in the process of Phased Updates. This makes it very easy to install new programs. These programs are stored in software archives ( repositories) and are available for installation over the Internet. Webup8 usually works, I'm using it now for java 8, but since there is a problem with it not working, all you should need to do is.Let's pick a random package from that list, and check apt policy upon it: $ apt policy libitm1 What are Repositories There are thousands of programs available to install on Kubuntu. This is why i combined them both in this code. The sudo apt update portion of this code MUST be done before the the sudo apt upgrade portion in order to work. Use this code to update and upgrade everything after following my previous instructions. That should work since the terminal was complaining about that package. sudo apt-get update & sudo apt-get upgrade. Sudo apt purge (app name goes here without the parenthesis) It will ask for your password, then it should work. Then type in this command with the package name which you want to remove, at the end of the command and hit enter. Once you have purged the ppa, then you should purge the application, with terminal. Here is a more detailed article on all the different ways to purge a ppa There are other methods using terminal, but they require knowing the exact url address of the ppa. Once Software Sources opens, click on the tab that says "Other Software" and remove the ppa's that are giving you trouble, specifically the suru-icon-theme and whatever ppa (webupd8?) you used for the java installation. If you are using the default Unity desktop environment on Ubuntu, then search for "Software Sources". The easiest way to remove a ppa that works for me is to use the graphical interface. Or you could do the following to remove the ppa and the apps. That will have the update ignore the missing package. If you added a ppa, you might want to try purging that suru-icon-theme repository, and then the upgrade might work. It looks like an error for some extra repository that is corrupted.
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