What's the output of: lsattr -l /etc/sudoers
Please note that the sudoers file should only ever be edited with visudo, which will perform safety checks on the file when you try to save it. Thanks -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to sudo in Ubuntu. https://bugs.launchpad.net/bugs/1915945 Title: package sudo 1.8.31-1ubuntu1.2 failed to install/upgrade: installed sudo package post-installation script subprocess returned error exit status 1 Status in sudo package in Ubuntu: Incomplete Bug description: I've put the system to upgrade and this error occured!! I tried many ways to correct it but all attempts were unsuccesfull. Best regards, ProblemType: Package DistroRelease: Ubuntu 20.04 Package: sudo 1.8.31-1ubuntu1.2 ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78 Uname: Linux 5.4.0-65-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 AptOrdering: software-properties-common:amd64: Install software-properties-gtk:amd64: Install python3-software-properties:amd64: Install NULL: ConfigurePending Architecture: amd64 CasperMD5CheckResult: skip Date: Wed Feb 17 13:43:57 2021 DuplicateSignature: package:sudo:1.8.31-1ubuntu1.2 Setting up sudo (1.8.31-1ubuntu1.2) ... chown: alterando o dono de '/etc/sudoers': Operação não permitida dpkg: error processing package sudo (--configure): installed sudo package post-installation script subprocess returned error exit status 1 ErrorMessage: installed sudo package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2018-12-12 (797 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4 RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.4 SourcePackage: sudo Title: package sudo 1.8.31-1ubuntu1.2 failed to install/upgrade: installed sudo package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to focal on 2020-09-30 (139 days ago) VisudoCheck: /etc/sudoers: análise OK /etc/sudoers.d/README: análise OK mtime.conffile..etc.sudoers: 2020-12-30T18:27:17.782421 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/1915945/+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