deb-postinst(5)           (2021-04-13)            deb-postinst(5)

     NAME
          deb-postinst - package post-installation maintainer script

     SYNOPSIS
          DEBIAN/postinst

     DESCRIPTION
          A package can perform several post-installation actions via
          maintainer scripts, by including an executable postinst file
          in its control archive (i.e. DEBIAN/postinst during package
          creation).

          The script can be called in the following ways:

          postinst configure old-version
              After the package was installed.

          postinst triggered "trigger-name..."
              After the package was triggered.  The list of space-
              separated trigger-names is passed as the second
              argument.

          old-postinst abort-upgrade new-version
              If prerm fails during upgrade or fails on failed
              upgrade.

          old-postinst abort-remove
              If prerm fails during removal.

          postinst abort-deconfigure in-favour new-package new-version
                 [ removing old-package old-version ]
              If prerm fails during deconfiguration of a package.

          postinst abort-remove in-favour new-package new-version
              If prerm fails during replacement due to conflict.

     SEE ALSO
          dpkg(1).

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