I think I have found the culprit. It is a package called "autofirma", distributed by the Spanish Administration to perform digital signatures with the official certificates provided by the government. Apparently, there is some kind of incompatibility between the files generated by this package and the postinstallation script of this version of ca-certificates. I have just removed (purge) the autofirma package, then update ca-certificates to 20180409 without any problem and, after that, reinstalled autofirma (probably I may need to uninstall it again when another ca-certificates version comes out). As autofirma is not an ubuntu-provided package, this should not be considered a bug after all. In any case, the information may be useful for any other Spanish user finding the same problem.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ca-certificates in Ubuntu. https://bugs.launchpad.net/bugs/1767453 Title: package ca-certificates 20180409 failed to install/upgrade: installed ca-certificates package post-installation script subprocess returned error exit status 1 Status in ca-certificates package in Ubuntu: Confirmed Bug description: Happened during upgrade to ubunut 18.04 ProblemType: Package DistroRelease: Ubuntu 18.04 Package: ca-certificates 20180409 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 Date: Fri Apr 27 17:51:26 2018 ErrorMessage: installed ca-certificates package post-installation script subprocess returned error exit status 1 PackageArchitecture: all Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2 apt 1.6.1 SourcePackage: ca-certificates Title: package ca-certificates 20180409 failed to install/upgrade: installed ca-certificates package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to bionic on 2018-04-27 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates/+bug/1767453/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
