pkg install mysql55-server

/usr/local/etc/rc.d/mysql-server start 

Updating FreeBSD repository catalogue...

pkg: repository meta /var/db/pkg/FreeBSD.meta has wrong version 2

pkg: Repository FreeBSD load error: meta cannot be loaded No error: 0

Fetching meta.txz: 100%    916 B   0.9kB/s    00:01

pkg: repository meta /var/db/pkg/FreeBSD.meta has wrong version 2

repository FreeBSD has no meta file, using default settings

Fetching packagesite.txz: 100%    6 MiB   6.5MB/s    00:01

pkg: repository meta /var/db/pkg/FreeBSD.meta has wrong version 2

pkg: Repository FreeBSD load error: meta cannot be loaded No error: 0

Unable to open created repository FreeBSD

Unable to update repository FreeBSD

pkg bootstrap -f ​

/usr/local/etc/rc.d/mysql-server stop

mysqld_safe --skip-grant-tables &

mysql -u root

use mysql;

update user set password=PASSWORD("dev") where User='root';

flush privileges;

quit

/usr/local/etc/rc.d/mysql-server start