You can set auditPWD parameter in configuration.properties (pre 8.44) or web profile (> 8.44) to refresh the webserver cache dynamically without restarting it. This is really helpfull when you do not want to disturb your developer population.
auditPWD=dayoff
Set this to something unique for e.g. dayoff and fireoff this url to refresh the cache
http://myserver:port/psp/ps/?cmd=purge&pwd=dayoff
To view configuration.properties
http://myserver:port/psp/ps/?cmd=viewconfig&pwd=dayoff
http://myserver:port/psp/ps/?cmd=viewsprop
To Reset Timeout
http://cdasdweb01.ground.fedex.com:1600/psp/ps/?cmd=resettimeout&pwd=cportal2001
