upgrading to bionic I must run in nouveau.modetset=0 to get graphics , imposibble to startx package nvidia-kernel-common-390 (not installed) failed to install/upgrade: intentando sobreescribir `/lib/udev/rules.d/71-nvidia.rules', que está también en el paquete nvidia-384 384.111-0ubuntu0.16.04.1

[Angel de la Mora]

upgrading to bionic I must run in nouveau.modeset=0 to get graphics , imposible to startx
package nvidia-kernel-common-390 (not installed) failed to install/upgrade: intentando sobreescribir `/lib/udev/rules.d/71-nvidia.rules', in nvidia-384 384.111-0ubuntu0.16.04.1

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: nvidia-kernel-common-390 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-124.148-generic 4.4.117
Uname: Linux 4.4.0-124-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
Date: Sun May 20 22:05:18 2018
ErrorMessage: intentando sobreescribir `/lib/udev/rules.d/71-nvidia.rules', que está también en el paquete nvidia-384 384.111-0ubuntu0.16.04.1
InstallationDate: Installed on 2017-01-24 (480 days ago)
InstallationMedia: It
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.26
SourcePackage: nvidia-graphics-drivers-390
Title: package nvidia-kernel-common-390 (not installed) failed to install/upgrade: intentando sobreescribir `/lib/udev/rules.d/71-nvidia.rules', que está también en el paquete nvidia-384 384.111-0ubuntu0.16.04.1
UpgradeStatus: No upgrade log present (probably fresh install)