nicholas@XPS-L502X:~$ sudo akonadictl start
[sudo] password for nicholas:
Starting Akonadi Server...
   done.
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
nicholas@XPS-L502X:~$ akonadiprivate_log: search paths:  ("/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin", "/snap/bin", "/usr/sbin", "/usr/local/sbin", "/usr/local/libexec", "/usr/libexec", "/opt/mysql/libexec", "/opt/local/lib/mysql5/bin", "/opt/mysql/sbin")
Found mysql_install_db:  "/usr/bin/mysql_install_db"
Found mysqlcheck:  "/usr/bin/mysqlcheck"
Using mysqld: "/usr/sbin/mysqld-akonadi"
mysqld reports version 5.7.18 (Oracle MySQL)
Executing: "/usr/sbin/mysqld-akonadi" "--defaults-file=/home/nicholas/.local/share/akonadi/mysql.conf --datadir=/home/nicholas/.local/share/akonadi/db_data/ --socket=/tmp/akonadi-root.aZSrKd/mysql.socket"
Database process exited unexpectedly during initial connection!
executable: "/usr/sbin/mysqld-akonadi"
arguments: ("--defaults-file=/home/nicholas/.local/share/akonadi/mysql.conf", "--datadir=/home/nicholas/.local/share/akonadi/db_data/", "--socket=/tmp/akonadi-root.aZSrKd/mysql.socket")
stdout: ""
stderr: "2018-01-11T13:30:02.410194Z 0 [Warning] The syntax '--log_warnings/-W' is deprecated and will be removed in a future release. Please use '--log_error_verbosity' instead.\n2018-01-11T13:30:02.410254Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).\n2018-01-11T13:30:02.410341Z 0 [Warning] Can't create test file /home/nicholas/.local/share/akonadi/db_data/XPS-L502X.lower-test\n2018-01-11T13:30:02.410352Z 0 [Warning] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.\n2018-01-11T13:30:02.410379Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.18-0ubuntu0.16.10.1) starting as process 24358 ...\n2018-01-11T13:30:02.412962Z 0 [Warning] Can't create test file /home/nicholas/.local/share/akonadi/db_data/XPS-L502X.lower-test\n2018-01-11T13:30:02.412983Z 0 [Warning] Can't create test file /home/nicholas/.local/share/akonadi/db_data/XPS-L502X.lower-test\n2018-01-11T13:30:02.412993Z 0 [ERROR] Fatal error: Please read \"Security\" section of the manual to find out how to run mysqld as root!\n\n2018-01-11T13:30:02.413005Z 0 [ERROR] Aborting\n\n2018-01-11T13:30:02.413020Z 0 [Note] Binlog end\n2018-01-11T13:30:02.413061Z 0 [Note] /usr/sbin/mysqld: Shutdown complete\n\n"
exit code: 1
process error: "Unknown error"
terminating service threads
terminating connection threads
stopping db process
Failed to remove Unix socket
Failed to remove runtime connection config file
Application 'akonadiserver' exited normally...