[Bug 1931766] [NEW] After updating your package information, the essential package 'ubuntu-minimal' could not be located.

Public bug reported: release upgrade 16.04 to 18.04 stopped due to 'After updating your package information, the essential package 'ubuntu-minimal' could not be located.' further installation of ubuntu-minimal fails because of the package is present ProblemType: Bug DistroRelease: Ubuntu 16.04

[Bug 1813167] [NEW] package linux-image-4.15.0-42-generic 4.15.0-42.45~16.04.1 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1

Public bug reported: E: linux-image-4.15.0-38-generic: package linux-image-4.15.0-38-generic is not ready for configuration cannot configure (current status 'half-installed') E: linux-image-4.15.0-43-generic: subprocess installed post-installation script returned error exit status 1 E:

[Bug 1807984] [NEW] package linux-image-4.15.0-42-generic 4.15.0-42.45~16.04.1 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1

Public bug reported: can't delete package ProblemType: Package DistroRelease: Ubuntu 16.04 Package: linux-image-4.15.0-42-generic 4.15.0-42.45~16.04.1 ProcVersionSignature: Ubuntu 4.15.0-39.42~16.04.1-generic 4.15.18 Uname: Linux 4.15.0-39-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18