Yeah, one of the main reasons I wanted to become a server administrator is so that people here could have someone to trust and rely on but I am still finding out new things that are required to be done such as optimisation.
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Added after 37 minutes:
The server is now back online, sorry for the inconvenience caused guys. Now it's time for me to depart for the night. I shall have the new server set up by friday night if all goes well. I shall start moving accounts across, I'll keep the less busy sites on the current server and the more busy sites on the new server to help average the load. Thanks for being patient!
I've disabled the server from accepting new clients as the server can't handle it, please bear with me.