close my application after uninstallation?

[mismael]

hi everydoby?
i have a problem when uninstall my application i want to close it.
my application is client server application when the user uninstall the app the server continues running i want to close it so i put the following code in the postrm file

killall -q myServer

this code runs fine if the server is running but if it was not running the package fail to uninstall

is there any solution?

[divanov]

I think it should be prerm script.
However, daemons are supposed to be controlled with upstart:
http://upstart.ubuntu.com/getting-started.html
http://linux.die.net/man/8/initctl