You can do if you are ready for few hours downtime with a fresh installation. There can be other methods also, but following method is recommended.
1) Get a cheap VPS for $2-5
2) Create full cPanel backups of all accounts and save it on your new VPS.
3) From your server control panel, perform fresh CentOS 6 installation.
4) Re-install cPanel and restore all accounts using backup saved on new VPS.
Last edited by YagHost-Ravi; 12-30-2013 at 11:01 PM.
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THanks all for you imput! I actually want to do this because of SNI technology on V6 but I guess I will just get another server and connect any domain that reguire that to work on the new server..
That is probably the best idea. From my experiences I would say a fresh installation on a new server (or VPS) would be best and then just do a migration of the accounts you need moved over. This would give you the least downtime and much more control over what is down when, as you can do the migration, test it and then update the DNS and wait for propagation while the site is live on the source server, and after a final rsync you are good to go
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