[Helpdesk] How I can migrate DB for another server

[Helpdesk] How I can migrate DB for another server

I installed ServiceDesk on my server, but i would like to migrate database for server which is installed on the same machine. I succeed restore database then I used script changeDBserver.sh. If i would like to run script run.sh i got error Unable to start MySQL server on port 3306. Please free the port. Can I start application without start the mysql server?

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