[centos7] mariadb port 변경

cd /etc/my.cnf.d/

cp server.cnf server.cnf.original

vi server.cnf

([mariadb] 하단에 처음열면 아무것도 안적혀있음. 아래처럼 변경하고자하는 포트로 입력후 저장)

# This group is only read by MariaDB servers, not by MySQL.
# If you use the same .cnf file for MySQL and MariaDB,
# you can put MariaDB-only options here
[mariadb]
port=53306

systemctl restart mariadb.service