arthas/tutorials/katacoda/command-watch-en/arthas-boot.md

In the new Terminal 2, download arthas-boot.jar and start with the java -jar command:

wget https://alibaba.github.io/arthas/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.