% ./sentry -help
sentry - image viewer of sentry system
usage: sentry [options]
option:
-help
-servername host
-serverport port
-dataport port
-reqrate num frame rate within per 100sec
-format format frame format (e.g., NONE, JPEG, PNG, etc.)
-shmkey key
-debug num debug leve
note:
* you should change dataport when you start multipul program
* frame rate does not change if you access with shared memory
example:
% sentry -severname camera1 -dataport 723
% sentry -shmkey 129
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