How to change the website virtual host

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Migrating the same site on different hosts requires some skill, and today, the guest introduces some of the same domain name to migrate the site from one virtual host to another to avoid the site because of the migration of unnecessary losses.

1. Migration Preparation

First, the original site comments, such as the update function closed, then the original web site files, databases and other information for backup, and then downloaded to the local, and then the site content completely uploaded to another host, by modifying the Hosts method, the site's domain name point to the new IP address, manual verification site can be normal access.

2. Migration operation

Next, select a time period of less access, such as the wee hours, to implement a site migration by modifying the A record of domain name DNS, and not by deleting a record and then adding a new a record, which can cause a short web site to be inaccessible.

3. Migration process

Keep the original site content for at least half a month (but not necessarily update), to ensure that the search engine use the original IP address can still access the content, if it can not do this, it will be the original site completely closed, so that the original IP can not access, must not keep the original site open, When you visit, you get 404 wrong things happen.

4. End of migration

After half a month, can completely shut down the original website Web services, at this time, most search engines have been able to normally access the new Web site address, the end of the site migration.