mysqldump
    --all-databases
    --flush-logs
    --single-transaction
    --master-data
    | gzip > dump.sql.gz

CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000012', MASTER_LOG_POS=120;

FLUSH PRIVILEGES;
CHANGE MASTER TO
    master_host='master',
    master_user='username',
    master_password='secret';
START SLAVE;
SHOW SLAVE STATUSG

Master_Log_File: mysql-bin.000012
Read_Master_Log_Pos: 800917736
Relay_Log_File: relay-bin.000002
Relay_Log_Pos: 635
Relay_Master_Log_File: mysql-bin.000001
Last_Error: Could not execute Write_rows event on table myschema.mytable; Duplicate entry '5191176' for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event's master log mysql-bin.000001, end_log_pos 778