In the new `Terminal 2`, download `arthas-boot.jar` and start with the `java -jar` command: `wget https://arthas.aliyun.com/arthas-boot.jar java -jar arthas-boot.jar`{{execute T2}} `arthas-boot` is the launcher for `Arthas`. It lists all the Java processes, and the user can select the target process to be diagnosed. Select the first process, type `1`{{execute T2}} ,then type `Enter`: After the Attach is successful, Arthas LOGO is printed. Enter `help`{{execute T2}} for more help. ![Arthas Boot](/arthas/scenarios/common-resources/assets/arthas-boot.png)