After upgrading to Maverick I found myself constantly being logged out – unintentionally and messing up MAMP and my dynamic server settings, preventing all access to sites under development. The solution is simple, but it took me a while to find it.
- in your SYSTEM PREFERENCES go under SECURITY & PRIVACY
- click and enter your password to unlock
- click on the ADVANCED tab
- UNCHECK “Log out after … minutes of inactivity
- click OK and you are done.