i have the follow error:
Loaded: loaded (/usr/lib/systemd/system/mysql@.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Mon 2018-10-15 15:28:39 CEST; 1min 4s ago
Process: 14583 ExecStopPost=/usr/bin/mysql-systemd stop-post (code=exited, status=0/SUCCESS)
Process: 14554 ExecStop=/usr/bin/mysql-systemd stop (code=exited, status=2)
Process: 14136 ExecStartPost=/usr/bin/mysql-systemd start-post $MAINPID (code=exited, status=1/FAILURE)
Process: 14135 ExecStart=/usr/bin/mysqld_safe --basedir=/usr ${EXTRA_ARGS} (code=exited, status=0/SUCCESS)
Process: 14087 ExecStartPre=/usr/bin/mysql-systemd start-pre (code=exited, status=0/SUCCESS)
Main PID: 14135 (code=exited, status=0/SUCCESS)