package mysql-server-5.7 5.7.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[sambo63]

Failed to configure server after it was installed. Said I had changed the config file but do not know what changed and when this happened.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-server-5.7 5.7.18-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-83.106-generic 4.4.70
Uname: Linux 4.4.0-83-generic i686
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.8
Architecture: i386
Date: Mon Jul 3 22:00:20 2017
DpkgHistoryLog:
 Start-Date: 2017-07-03 21:59:21
 Commandline: /usr/sbin/synaptic
 Requested-By: stanman7 (1000)
 Install: kdbg:i386 (2.5.4-1), nemiver:i386 (0.9.6-1build2), libgtksourceviewmm-3.0-0v5:i386 (3.18.0-1, automatic)
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2013-11-12 (1329 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1)
Logs.var.log.daemon.log:

MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
MySQLConf.etc.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
 [mysqldump]
 quick
 quote-names
 max_allowed_packet = 16M
MySQLConf.etc.mysql.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['ibdata1', 'test', 'ib_logfile0', 'cake_schema', 'sys', 'debian-5.7.flag', 'performance_schema', 'ib_buffer_pool', 'mysql', 'auto.cnf', 'debian-5.5.flag', 'mysql_upgrade_info', 'cake_blog', 'ib_logfile1']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-83-generic root=UUID=494a45c6-d555-48f1-a9d2-01d5264e5b52 ro quiet splash
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: mysql-5.7
Title: package mysql-server-5.7 5.7.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.init.mysql.conf: [modified]
mtime.conffile..etc.init.mysql.conf: 2017-04-03T00:59:08.734247
upstart.mysql.override: manual

[Andreas Hasenack (ahasenack)]

Thanks for filing this bug in Ubuntu.

Unfortunately it's unclear from the logs why mysql wasn't running.

Could you try the following command and see if the error happens again, and then one more time attach /var/log/mysql/* please?

sudo apt update
sudo apt install --reinstall mysql-server-5.7

[Launchpad Janitor (janitor)]

[Expired for mysql-5.7 (Ubuntu) because there has been no activity for 60 days.]