Public bug reported: I have encountered this bug while upgrading from ubuntu 18 to ubuntu 20 LTS.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: mysql-server-8.0 8.0.22-0ubuntu0.20.04.3 ProcVersionSignature: Ubuntu 4.15.0-126.129-generic 4.15.18 Uname: Linux 4.15.0-126-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.13 Architecture: amd64 CasperMD5CheckResult: skip Date: Thu Dec 3 12:40:03 2020 DuplicateSignature: package:mysql-server-8.0:8.0.22-0ubuntu0.20.04.3 Installing new version of config file /etc/mysql/mysql.conf.d/mysqld.cnf ... /var/lib/dpkg/info/mysql-server-8.0.postinst: line 191: /usr/share/mysql-common/configure-symlinks: No such file or directory dpkg: error processing package mysql-server-8.0 (--configure): installed mysql-server-8.0 package post-installation script subprocess returned error exit status 127 ErrorMessage: installed mysql-server-8.0 package post-installation script subprocess returned error exit status 127 InstallationDate: Installed on 2019-02-05 (666 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) Logs.var.log.daemon.log: MySQLVarLibDirListing: ['test', 'feeder_db', 'lnct', 'ca-key.pem', 'ibdata1', 'client-key.pem', 'performance_schema', 'private_key.pem', 'ib_logfile1', 'mysql.ibd', 'auto.cnf', 'undo_002', 'binlog.000539', 'ib_buffer_pool', 'stud_mgmt_sys', 'public_key.pem', 'client-cert.pem', 'binlog.000540', 'server-key.pem', 'lncts', 'ca.pem', 'scholarship_portal', 'binlog.000538', 'mysql', 'book_sys', 'server-cert.pem', 'Library', '#innodb_temp', 'undo_001', 'sys', 'binlog.000537', 'bill_system', 'binlog.index', 'ib_logfile0'] ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.15.0-126-generic root=UUID=6d20c3bf-1140-4685-ae0d-2ebccb7d6954 ro quiet splash vt.handoff=1 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 2.0.2ubuntu0.1 SourcePackage: mysql-8.0 Title: package mysql-server-8.0 8.0.22-0ubuntu0.20.04.3 failed to install/upgrade: installed mysql-server-8.0 package post-installation script subprocess returned error exit status 127 UpgradeStatus: Upgraded to focal on 2020-12-03 (0 days ago) ** Affects: mysql-8.0 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906612 Title: package mysql-server-8.0 8.0.22-0ubuntu0.20.04.3 failed to install/upgrade: installed mysql-server-8.0 package post-installation script subprocess returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1906612/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs