If you’ve ever used the Internet, it’s a good bet that you’ve used the Domain Name System, or DNS, even without realizing it. DNS is a protocol within the set of standards for how computers exchange data on the Internet and on many private networks, known as the TCP/IP protocol suite. Its basic job is to turn a user-friendly domain name like “howstuffworks.com” into an Internet Protocol (IP) address like 184.108.40.206 that computers use to identify each other on the network. It’s like your computer’s GPS for the Internet.
Computers and other network devices on the Internet use an IP address to route your request to the site you’re trying to reach. This is similar to dialing a phone number to connect to the person you’re trying to call. Thanks to DNS, though, you don’t have to keep your own address book of IP addresses. Instead, you just connect through a domain name server, also called a DNS server or name server, which manages a massive database that maps domain names to IP addresses.
Whether you’re accessing a Web site or sending e-mail, your computer uses a DNS server to look up the domain name you’re trying to access. The proper term for this process is DNS name resolution, and you would say that the DNS server resolves the domain name to the IP address. For example, when you enter “http://www.howstuffworks.com” in your browser, part of the network connection includes resolving the domain name “howstuffworks.com” into an IP address, like 220.127.116.11, for HowStuffWorks’ Web servers.
You can always bypass a DNS lookup by entering 18.104.22.168 directly in your browser (give it a try). However, you’re probably more likely to remember “howstuffworks.com” when you want to return later. In addition, a Web site’s IP address can change over time, and some sites associate multiple IP addresses with a single domain name.
Without DNS servers, the Internet would shut down very quickly. But how does your computer know what DNS server to use? Typically, when you connect to your home network, Internet service provider (ISP) or WiFi network, the modem or router that assigns your computer’s network address also sends some important network configuration information to your computer or mobile device. That configuration includes one or more DNS servers that the device should use when translating DNS names to IP address.
cPanel is a Linux based web hosting control panel that provides a graphical interface and automation tools designed to simplify the process of hosting a web site. cPanel utilizes a 3 tier structure that provides capabilities for administrators, resellers, and end-user website owners to control the various aspects of website and server administration through a standard web browser.
In addition to the GUI, cPanel also has command line and API-based access that allows third party software vendors, web hosting organizations, and developers to automate standard system administration processes.
cPanel is designed to function either as a dedicated server or virtual private server. The latest cPanel version supports installation on CentOS, Red Hat Enterprise Linux (RHEL), and CloudLinux. cPanel 11.30 is the last major version to support FreeBSD.
Once installed, cPanel cannot be easily removed. The server must be formatted, and the operating system reinstalled. Similarly, it should only be installed on a freshly installed operating system with minimal prior configuration.
In this section, you’ll learn about:
|Domain Management and C-Panel (12 videos)|
|Domain name registration|
|Domain bulk registration|
|Web hosting alternative|
|C-Panel email setup|
|C-Panel email setup – Forwarder|
|C-Panel web stats|
|C-Panel autoresponse email|
|C-Panel Fantastico – Delete|