root@strike:/home/lucky# akonadictl start
Starting Akonadi Server...
   done.
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
root@strike:/home/lucky# akonadiprivate_log: search paths:  ("/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin", "/usr/games", "/usr/local/games", "/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 5.7.15 (Oracle MySQL)
Executing:  "/usr/sbin/mysqld-akonadi" "--defaults-file=/etc/xdg/akonadi/mysql-global.conf --initialize --datadir=/root/.local/share/akonadi/db_data/"
mysqld: [ERROR] Could not open required defaults file: /etc/xdg/akonadi/mysql-global.conf
mysqld: [ERROR] Fatal error in defaults handling. Program aborted!
Executing: "/usr/sbin/mysqld-akonadi" "--defaults-file=/root/.local/share/akonadi/mysql.conf --datadir=/root/.local/share/akonadi/db_data/ --socket=/tmp/akonadi-root.lhHLiT/mysql.socket"
Database process exited unexpectedly during initial connection!
executable: "/usr/sbin/mysqld-akonadi"
arguments: ("--defaults-file=/root/.local/share/akonadi/mysql.conf", "--datadir=/root/.local/share/akonadi/db_data/", "--socket=/tmp/akonadi-root.lhHLiT/mysql.socket")
stdout: ""
stderr: "2016-10-18T17:39:08.228239Z 0 [Warning] The syntax '--log_warnings/-W' is deprecated and will be removed in a future release. Please use '--log_error_verbosity' instead.\n2016-10-18T17:39:08.228282Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).\n2016-10-18T17:39:08.228701Z 0 [Warning] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.\n2016-10-18T17:39:08.228717Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.15-0ubuntu2) starting as process 1118 ...\n2016-10-18T17:39:08.229596Z 0 [ERROR] Fatal error: Please read \"Security\" section of the manual to find out how to run mysqld as root!\n\n2016-10-18T17:39:08.229604Z 0 [ERROR] Aborting\n\n2016-10-18T17:39:08.229613Z 0 [Note] Binlog end\n2016-10-18T17:39:08.229639Z 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...