How To Setup Linux Server on Cloud

Sometime we want to test an application into a real server. But, it dangerous if we use the production server. Yes, we need  a lab server for it. Built a new one is not cheap. We need a PC/Server, electricity, internet access, etc.
Rent a server or cloud is an effective and economic solution. Especially if the charging can on hourly based. A cloud provider which offer this service is Digital Ocean. And there is promo code $10 that worth for 2 months testing. How to get the promo code ? Simple. You can find the promo code on Facebook :

Or Twitter :

Norton Mail Scam

Today, an employee got email below :

after I clicked the url, it's not going to norton.com. it's a phishing site that collect email account and email password.

What we can learn from this case :

1. it's strange if any service from outside company said can shutdown email service that we use, although that service isn't related with our email service
2.  although email sender from any reputable company( in this case NORTON), if it asked us to