Custom Ignition designer launcher shell script.
java -cp launchclient.jar -Djavaws.sr.gateway.addr.0=server:port:sslport/main -Djavaws.sr.scope=D -Djavaws.sr.main=com.inductiveautomation.ignition.designer.DesignerStartupHook com.inductiveautomation.ignition.client.launch.BootstrapSwing
for a client:
java -cp launchclient.jar -Djavaws.sr.gateway.addr.0=ip address:8088:8043/main -Djavaws.sr.scope=C -Djavaws.sr.project=CustomerCare -Djavaws.sr.project.version=Published -Djavaws.sr.main=com.inductiveautomation.factorypmi.application.runtime.ClientLaunchHook com.inductiveautomation.ignition.client.launch.BootstrapSwing
download launchclient.jar from http://server:port/main/system/launchbin/launchclient.jar