ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/opt/bitnami/mysql/tmp/mysql.sock'

 MySQL ERROR 2002 (HY000): Can't connect to local MySQL server through socket - General - Bitnami Community

Could you check if the MySQL database is running?

$ sudo /opt/bitnami/ctlscript.sh status

$ sudo /opt/bitnami/ctlscript.sh start mysql