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--- internet:hosting:virtualmin_migrate [2019/03/31 10:48]
gcooper
+++ internet:hosting:virtualmin_migrate [2019/04/02 08:45] (current)
gcooper
@@ Line 1: / Line 1: @@
 ====== Virtualmin - Migrate to New Server ======
+See also **[[internet:hosting:virtualmin_dns]]**
 **Documentation**: https://www.virtualmin.com/documentation/system/migrate
@@ Line 5: / Line 7: @@
 http://www.virtualmin.com/node/21919
-===== Domain Name Registrar =====
+===== Change Hostname =====
-Verify you have the **ability to change the name servers at the domain name registrar**.  If you do not have this access, you will have to **coordinate with someone who does**.
+Be sure your new Virtualmin host server is **properly configured before migrating** any virtual servers to it.
-When you migrate the domain to a new Virtualmin server, you will probably migrate to new DNS servers as well.
+  * Set the **short** host name
+  * Make sure your **DNS matches**
+  * Set the **first DNS server** as ''127.0.0.1''
-<note tip>If you are using WHMCS and the domain name is at ResellerClub, you can easily change the name servers in WHMCS.</note>
+**Webmin -> Networking -> Network Configuration -> Hostname and DNS Client**
 ===== DNS Changes =====
@@ Line 17: / Line 21: @@
 http://blog.rimuhosting.com/2011/04/15/migrating-vps-with-virtualmin-multiple-dns-changes/
-Lower the TTL well in advance of your migration:
+Lower the TTL of the virtual server DNS well **in advance** of your migration:
 <file>
 virtualmin modify-dns --all-domains | --domain <domain> --ttl <seconds>
 </file>
+===== Domain Name Registrar =====
+Verify you have the **ability to change the name servers at the domain name registrar**.  If you do not have this access, you will have to **coordinate with someone who does**.
+When you migrate the domain to a new Virtualmin server, you will probably migrate to new DNS servers as well.
+<note tip>If you are using WHMCS and the domain name is at ResellerClub, you can easily change the name servers in WHMCS.</note>
 ===== Clean Up Existing Virtual Server =====
-You may want to edit the existing virtual server before migrating it to shorten the migration time and avoid migrating junk.
+You may want to **edit the existing virtual server** before migrating it to shorten the migration time, avoid migrating junk and minimize potential transfer issues.
-  * Verify the virtual server is on the correct plan
+  * **Verify the virtual server is on the correct plan**
     * Plans are migrated with the virtual server
-  * Disable any features not actually in use
+  * **Disable any features not actually in use**
-  * Delete any unused data
+  * **Delete any unused or redundant data**
-    * Perhaps their mail was once hosted but is no longer but old mail data remains
+    * Perhaps their mail was once hosted but is no longer and old mail data remains
 ===== Transfer a Virtual Server =====
@@ Line 52: / Line 64: @@
 virtualmin disable-feature --domain name | --user name | --all-domains [--disassociate]
 </file>
+Sometimes it helps to reboot the Virtualmin host server, perhaps both.
 ===== Verify the Migration =====
+==== Apache Web Server ====
 Make sure the web server restarts after migrating a domain.  Sometimes, old bits get carried forward and will keep the web server from starting!
@@ Line 63: / Line 79: @@
 <file>
 sed -i '/php_admin_value/d' /etc/apache2/sites-available/* && sed -i '/php_value/d' /etc/apache2/sites-available/*
 systemctl restart apache2.service
 systemctl status apache2.service
 </file>
-On the new Virtualmin server, check that the default web site has not changed:
+==== Default Web Site ====
-**Virtualmin -> Server Configuration - Website Options -> Default website...**
+:!: On the new Virtualmin server, check that the **default web site** has not changed:
-Also check:
+**Virtualmin -> <primary/default domain> -> Server Configuration -> Website Options -> Default website for IP Address**
+==== DNS ====
+Verify and correct:
   * **DNS SPF record**
-  * **nameserver records**
+  * **Name Server records**
   * **DNS Slave server**
-  * **domain plan and features**
-If the DNS slave server is not correct, delete any duplicate domain configuration on the slave server, then re-add the newly migrated domain to the slave DNS server:
+=== DNS Slave Server ===
+To correct or verify the DNS slave server configuration:
+  - **Delete the DNS domain**, if it exists, on the slave server
+  - **(Re-)Add the newly migrated domain** to the slave DNS server
+  - **Initiate a domain transfer** to populate all DNS records to the slave server
+Primary DNS server:
 <file>
@@ Line 86: / Line 111: @@
 </file>
-Lastly, reset the DNS TTL after verifying your DNS is all correct.
+Slave DNS server:
 <file>
-virtualmin modify-dns --domain yourdomain.tld --ttl 14400
+rndc retransfer migrated-domain.tld
+tail -200 /var/log/syslog
+</file>
+=== DNS TTL ===
+Lastly, **after you are quite sure the DNS is all correct for the migrated domain**, reset the DNS TTL:
+<file>
+virtualmin modify-dns --domain migrated-domain.tld --ttl 14400
 </file>
@@ Line 97: / Line 130: @@
 virtualmin modify-dns --all-domains --ttl 14400
 </file>
+==== Hosting Plan and Features ====
+Check that the migrated domain is on the **correct hosting plan** and that all **appropriate features are enabled**.
 ===== Default Site =====
@@ Line 111: / Line 148: @@
 **Virtualmin -> <domain> -> Server Configuration -> Website Options -> Default website for IP address?**
+===== Fix Filesystem Permissions =====
+<file>
+virtualmin fix-domain-permissions --all-domains | --domain <yourdomain.tld>
+</file>
 ----
@@ Line 121: / Line 164: @@
 http://www.virtualmin.com/node/23491
-===== Change Hostname =====
-**Webmin -> Networking -> Network Configuration -> Hostname and DNS Client**
 ===== Swap IP Address =====

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