UPDATE core_config_data SET value="http://newhost.com/" WHERE path="web/unsecure/base_url";
UPDATE core_config_data SET value="https://newhost.com/" WHERE path="web/secure/base_u

Options Indexes FollowSymLinks

AllowOverride all

'<Directory "YOUR DOCUMENT ROOT HERE">'

web/secure/base_urel and web/unsecure/base_url.

UPDATE core_config_data SET value="http://example.com/" WHERE path="web/unsecure/base_url"; UPDATE core_config_data SET value="https://example.com/" WHERE path="web/secure/base_url"

rm -rf /var/tmp/magento/*

find . -type d -exec chmod 755 {} ;
find . -type f -exec chmod 644 {} ;