So you typically wont see a change in pressure from one extreme to the other in a matter of hours, but more over a time periods of days or weeks. And it's highly doubtful you'll feel the change in air pressure, but you'll certainly see the weather changes associated with pressure change.
The word apache comes from the Yuma word for fighting-men and from the Zuni word meaning enemy.. The Apache tribe consists of six subtribes: the Western Apache, Chiricahua, Mescalero, Jicarilla, Lipan and Kiowa. Each subtribe is from a different geographial region.
Apache usually runs as the apache:apache user. You can check the User and Group settings in the configs to be sure, so make certain your files are readable by that user. There's a slew of settings for the files, but you may want to check a couple now. ServerAdmin is the email address of the server's administrator.