The JPIP service or daemon processes requests for imagery via JPIP. You must restart the JPIP service or daemon any time you change its configuration or add or remove a catalog.
To start or stop the JPIP Server:
Alternatively, on Linux you can stop the JPIP daemon from the command line.
Run one of the following commands with root permissions:
/etc/init.d/ltjpipd start
OR
/etc/init.d/ltjpipd stop