jerqi commented on code in PR #87:
URL: 
https://github.com/apache/gravitino-playground/pull/87#discussion_r1814318619


##########
README.md:
##########
@@ -40,24 +44,29 @@ The playground runs a number of services. The TCP ports 
used may clash with exis
 | playground-trino      | 18080                |
 | playground-jupyter    | 18888                |
 
-## Start playground
+## Playground usage
+
+### Launch playground
 
-### Launch all components of playground
 ```shell
 git clone [email protected]:apache/gravitino-playground.git
 cd gravitino-playground
-./launch-playground.sh
+./playground.sh start
 ```
+> **Note:** If you install Docker with sudo in Linux OS, please run 
playground.sh with sudo to ensure it can access all necessary information as 
root user.
 
-### Launch special component or components of playground
 ```shell
-git clone [email protected]:apache/gravitino-playground.git
-cd gravitino-playground
-./launch-playground.sh hive|gravitino|trino|postgresql|mysql|spark|jupyter
+sudo ./playground.sh start

Review Comment:
   `sudo` will be a burden to use this script.



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