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menteith
Asked: 2018-07-05 11:31:24 +0800 CST

How do I remove packages that apt is going to install?

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I tried to install Java 9, but this version was removed from Oracle servers and cannot be downloaded by apt. Now whenever I run apt to upgrade my system, apt is complaining about not being able to download Java 9. How do I fix this behaviour? I don't want to install Java 9 and don't want to see that annoying message of apt.

When I run 'apt autoremove' I got (truncated output):

....

Processing triggers for man-db (2.7.5-1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22+linuxmint1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Setting up oracle-java9-installer (9.0.4-1) ...
No /var/cache/oracle-jdk9-installer/wgetrc file found.
Creating /var/cache/oracle-jdk9-installer/wgetrc and
using default oracle-java9-installer wgetrc settings for it.
Downloading Oracle Java 9...

$ apt-cache policy oracle-java9-installer

oracle-java9-installer:
  Installed: 9.0.4-1
  Candidate: 9.0.4-1
  Version table:
 *** 9.0.4-1 500
        500 http://ppa.launchpad.net/linuxuprising/java/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status
package-management apt

1 Answers

  1. Apt's list of packages includes a notation of whether a package should be installed (install) or not (remove).

    This notation is persistent: If a package is marked install, apt will keep trying to install the package until apt succeeds.

    Use the apt-mark command to change the list entry.
    In this case, try sudo apt-mark remove oracle-java9-installer

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