Create a file if you don’t have it

/etc/mysql/conf.d/utf8.cnf

…add this:

[mysqld]
init_connect=’SET collation_connection = utf8_unicode_ci; SET NAMES utf8;’
default-character-set=utf8
character-set-server=utf8
collation-server=utf8_unicode_ci
skip-character-set-client-handshake