Question Reverse Proxy

[paoloperletti]

I'm migrating the sites from a server (A) to a another server (B). both with plesk.

The DNS still point to (A) and I want that (A) redirect the connections to (B)

should I use the reverse proxy? how?

 

[Bitpalast]

After the websites are migrated, why would you not want to update DNS so that the new host delivers them?

 

[paoloperletti]

I will migrate the dns, but they are more than 100 domains. not for all I have the dns management. My customers will not migrate all the dns at the same time and I have to migrate the server as soon as possible.

 

[MarkM]

Are the nameservers they are currently using on a domain that you own? If so, point one nameserver to the new box, and one nameserver to the old box. Suspend the domain on the old server once migrated. You'll only have one nameserver responding at a time and upon completion you can update the second nameserver to point to the main box as well.

 

[paoloperletti]

unfortunately, domains point on an IP and not on a nameserver

 

[MarkM]

Well, it's not exactly a pretty solution but once migrated, you can add an additional nginx directive for the domain formatted about the following;

location ~ {
    proxy_pass http://X.X.X.X/$uri$is_args$args;
    proxy_set_header Host $host:$server_port;
}

Where X.X.X.X is new IP.

Doing this more then 100 times doesn't sound fun though..... how much data is on the server needing to be migrated?

 

[paoloperletti]

a little correction, i remove a slash after the IP:

location ~ {
proxy_pass http://X.X.X.X$uri$is_args$args;
proxy_set_header Host $host:$server_port;
}

I LOVE U!!!
IT WORKS!

I need to migrate about 200GB

 

[MarkM]

I actually found this that might help you a bit with updating the Nginx directives;

How to update additional Nginx directives for several domains

 

[paoloperletti]

thanks.

i prefer to migrate sites one by one so I can check it all