SSL plays an important role in website, because in the last year Google announced that they will be using HTTPS and SSL as a ranking signal in their search results. This means that using HTTPS and SSL will help improve your site’s SEO.
Using an SSL certificate for your WordPress site means that your data, as well as your users’ data, remains safe from prying eyes. Since WordPress is a particularly large target for hackers due to its popularity and transparency, it’s important to take all the appropriate steps toward securing your site.
If you host a wordpress website by yourself, you may need to install SSL certificate on your website. I found a simple way to install SSL certificate through commands and the most important thing is this SSL certificate is free. Oh yes, you need to have the basic knowledge of SSH, Linux and Bash.
Apache Spark is a fast and general-purpose cluster computing system. It provides high-level APIs in Java, Scala, Python and R, and an optimized engine that supports general execution graphs. It also supports a rich set of higher-level tools including Spark SQL for SQL and structured data processing, MLlib for machine learning, GraphX for graph processing, and Spark Streaming.
You can download Spark from here, or follow the below command to download and install Spark1.6.0.
Chef is a systems and cloud infrastructure automation framework that makes it easy to deploy servers and applications to any physical, virtual, or cloud location, no matter the size of the infrastructure. Each organization is comprised of one (or more) workstations, a single server, and every node that will be configured and maintained by the chef-client. Cookbooks (and recipes) are used to tell the chef-client how each node in your organization should be configured. The chef-client (which is installed on every node) does the actual configuration.
OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API. If you’ve used Amazon Web Service, OpenStack is just a bit like AWS.
About PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows.
In order to improve efficiency and elasticity of EC2 instance, we need to use a database that is installed on a separate machine. A good solution is using AWS RDS. Before we create a database RDS instance, we need to make a dump of the existing database on our WordPress server.
I change my blog from google blogger to wordpress recently. First of all, I got an Amazon Web Service account, then I created 2 instances(EC2 and RDS), finally, I installed wordpress on EC2. I will list instructions in the following steps.