# Start an OceanBase clusterAfter you install OBD, you can run these commands as the root user to start a local single-node OceanBase cluster.Before you run the commands, make sure that these conditions are met:- You have logged on as the root user.- Ports `2882` and `2883` are available.- Your server has at least 8 GB of memory.- Your server has at least 2 CPU cores.> **NOTE:** If the preceding conditions are not met, see [Use OBD to start an OceanBase cluster](../3.user-guide/2.start-the-oceanbase-cluster-by-using-obd.md).> **NOTE:** For the convenience of using root here, OBD and OceanBase database do not have any restrictions on running users. We do not recommend that you use root in production.```shellobd cluster deploy c1 -c ./example/mini-local-example.yamlobd cluster start c1# Connect to the OceanBase Database by using a MySQL client.mysql -h127.1 -uroot-P2883```