![]() I presume that this hang was due to the GUI "Distribution Upgrade" window being unable to accept text input. Is the former merely sudo apt-get -purge autoremove and sudo apt-get autoclean? I killed the GUI process from the launching terminal, then ran dpkg -configure -a, which seems to continue where I left off, presenting me again with the above query.įrom the GUI, it seemed like there were two more steps: "Cleaning up" and "Restarting the computer". This launch-terminal did not accept input. The default action is to keep your current version. Z : start a shell to examine the situation N or O : keep your currently-installed versionĭ : show the differences between the versions Y or I : install the package maintainer's version What would you like to do about it ? Your options are: => Package distributor has shipped an updated version. => Modified (by you or by a script) since installation. Looking at the terminal from which I launched kubuntu-devel-release-upgrade, I can see Configuration file '/etc/apport/nf' I could no longer scroll the in-built terminal output, and the GUI window appeared to be stuck. I clicked "OK" (or was it "close"?), and the GUI now was stuck at 45%. A recovery will run now (dpkg -configure -a). Your systemĬould be in an unusable state. A window popped up saying:Ĭould not install the upgrades. ![]() When attempting to upgrade using the GUI, it progressed through "Preparing to upgrade", "Setting new software channels" and "Getting new packages", and then stalled on "Installing the upgrades". Is there a purely command-line method for distribution upgrades? Background That package will now not show in the update manager and will not be updated.The recommended way to upgrade Kubuntu versions is using kubuntu-devel-release-upgrade, which opens up a GUI window. When you find the package, select it and go to the Package menu and select Lock Version. Go to Synaptic Package Manager (System > Administration > Synaptic Package Manager).Ĭlick the search button and type the package name. ![]() ![]() The following approaches are limited in that locking/holding a package within aptitude or synaptic doesn't affect apt-get/apt. The changes will take effect immediately after exiting the elect screen. With dselect, enter the elect screen, find the package you wish to hold in its present state and press = or H. Show all packages on hold: sudo apt-mark showhold If Java is not currently installed, you’ll see the following output: Output. Next, check if Java is already installed: java -version. To install this version, first update the package index: sudo apt update. Show all packages on hold: dpkg -get-selections | grep "\ By default, Ubuntu 20.04 includes Open JDK 11, which is an open-source variant of the JRE and JDK. Remove the hold: echo " install" | sudo dpkg -set-selectionsĭisplay the status of all your packages: dpkg -get-selectionsĭisplay the status of a single package: dpkg -get-selections Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions. They update automatically and roll back gracefully. Put a package on hold: echo " hold" | sudo dpkg -set-selections 11 July 2023 Enable snaps on Kubuntu and install klee Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. There are different ways of holding back packages: with dpkg, apt, dselect, aptitude or Synaptic.
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