
148 Jing Li, Zhenlong Li, Min Sun, Qunying Huang, Kai Liu, and Myra Bambacus
• Step 2. Launch an instance—A public Amazon Machine Image
(AMI) with Ubuntu 12.04 as the OS is selected as the base image to
create an instance for further customization. An instance is launched
based on the public AMI.
• Steps 3, 4, and 6. Congure Elastic Block Storage (EBS)—Steps 3, 4,
and 6 are optional. The detailed congurations have been discussed
in Chapter 8, Section 8.2.2.1.
• Step 5. Install software packages—Several software packages are
installed and congured as required by the spatial Web portal,
including the Apache2 Web server, MySQL, and the Tomcat ...