I posted yesterday about using FreeBSD Update to perform FreeBSD minor version upgrades, e.g., upgrading from FreeBSD 6.2 to FreeBSD 6.3 or from FreeBSD 7.0-BETA1.5 to FreeBSD 7.0-BETA2. Today I'm going to write about the more complicated process needed for major version upgrades, e.g., upgrading from FreeBSD 6.x to FreeBSD 7.x. NOTE: Before proceeding, if you have FreeBSD Update scheduled to run