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Web publishing

  1. 1. Web Publishing
  2. 2. Web Page • A single, usually hypertext document on the World Wide Web that can incorporate text, graphics, sounds, etc. • A uniform resource locator, abbreviated URL, also known as web address, is a specific character string that constitutes a reference to a resource. • In most web browsers, the URL of a web page is displayed on top inside an address bar. An example of a typical URL would be "http://en.example.org
  3. 3. Web Site A connected group of pages on the World Wide Web regarded as a single entity, usually maintained by one person or organization and devoted to a single topic or several closely related topics. A set of interconnected webpages, usually including a homepage, generally located on the same server, and prepared and maintained as a collection of information by a person, group, or organization.
  4. 4. Web server A remote computer or a computer program that delivers Web pages to a user's computer, or a client, upon request from a web browser through the Internet The most common use of web servers is to host websites, but there are other uses such as gaming, data storage or running enterprise applications Web Server S/W – Apache, Tomcat, Internet Information Service (ISS) etc.
  5. 5. Web browser The primary function of a web server is to deliver web pages on the request to clients using the Hypertext Transfer Protocol (HTTP). This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets and scripts. A user agent, commonly a web browser or web crawler, initiates communication by making a request for a specific resource using HTTP and the server responds with the content of that resource or an error message if unable to do so. While the primary function is to serve content, a full implementation of HTTP also includes ways of receiving content from clients. This feature is used for submitting web forms, including uploading of files.
  6. 6. Web Publishing Web publishing, or "online publishing," is the process of publishing content(information) on the Internet. It includes creating and uploading websites, updating webpages, and posting blogs online. The published content may include text, images, videos, and other types of media. A Web site is a collection of HTML pages with the home page typically named INDEX.HTML
  7. 7. Web Publishing In order to publish content on the web, you need three things: web development software an Internet connection web server The software may be a professional web design program like Dreamweaver or a simple web-based interface like WordPress. The Internet connection serves as the medium for uploading the content to the web server. Large sites may use a dedicated web host, but many smaller sites often reside on shared servers, which host multiple websites. Distributing the site requires copying the resulting HTML pages and graphic elements into the appropriate directories on the server.
  8. 8. Web Publishing The audience is limitless since content posted on the web can be viewed by anyone in the world with an Internet connection. These advantages of web publishing have led to a new era of personal publishing that was not possible before. Posting updates on social networking websites like Facebook and Twitter is generally not considered web publishing. Instead, web publishing generally refers to uploading content to unique websites
  9. 9. Web Publisher Since web publishing doesn't require physical materials such as paper and ink, it costs almost nothing to publish content on the web. Therefore, anyone with the three requirements above can be a web publisher A person or company that uploads, creates, or edits content on Web pages; one who maintains or manages a Web site. A software program or application used to create Web pages. http://www.interspire.com/websitepublisher
  10. 10. Web Hosting Web hosting is where your website (or blog) actually sits, on a computer, in a building somewhere, when you put it on the internet. It doesn't matter where in the world you're located, or where your web hosting is located. Web hosting is the only thing you have to pay for, to set up a website. Everything else can be done for free
  11. 11. Requirements Sign up for website hosting Hosting Service Provider Choose a domain name (URL) *.com, *.net, *.in, *.org, *.biz etc. Create your website and upload FTP software
  12. 12. Domain Name A domain name is the internet address of a website or blog (URL) for ex: www.yahoo.com; www.microsoft.com You'll need to choose a domain name of your choice. Domain names are unique. You can only register a domain name that no one else has taken. Most good, short names were taken years ago. If the name you want is taken, try adding a descriptive word to the end. For example, foresttrail.com will definitely be taken, but foresttrailtales.com probably won't be.
  13. 13. Domain Name How to check if a domain name exists? All the Domain Hosting Service providers offer this service free! for ex: www.net4.in; www.godaddy.com Every time you register a domain name, the details of that domain registration must be published in a publicly accessible database called Whois. www.whois.net
  14. 14. Upload Process
  15. 15. FTP Software Cute FTP FileZilla SmartFTP
  16. 16. Choosing Web Hosting Provider Choosing a web hosting provider is not easy. There's a huge number of very similar web hosts out there, and 99% of the information about them is bogus. Do your own research into web hosting. Whether they say so or not, all sites that recommend web hosting receive payment from the web hosting company, for the promotion of their product.
  17. 17. Choosing Web Hosting Provider Good Domain Registry Pvt Ltd. India Good Luck Internet Services PVT, LTD. India IndiaLinks Web Hosting Pvt Ltd. India Infocom Network Ltd. India Net 4 India Limited India Netlynx Inc. India PDR Ltd. d/b/a PublicDomainRegistry.com India SiliconHouse.Net Pvt Ltd. India Times Internet Limited India Tirupati Domains and Hosting Pvt Ltd. India Trunkoz Technologies Pvt Ltd. d/b/a OwnRegistrar.com India Visesh Infotecnics Ltd. d/b/a Signdomains.com India http://www.internic.net/origin.html http://www.digitaltrends.com/computing/best-domain-name-registrars/
  18. 18. What is a Blog? A blog originally came from the word “weblog” or a “web log”. You can think of it as an online journal or diary, although blogs are used for much more now, like online journalism. A blogger is someone who blogs, or writes content for a blog. Blogging is the act of writing a post for a blog.
  19. 19. Blog? Most blogs are published on public web servers through a free service like Blogger. A blog is a type of website which has posts (or entries) appearing in reverse chronological order. Blog posts typically appear with the most recent blog post (or entry, post) first, just like a diary or journal. A blog is typically updated frequently and regularly, although there are some who are considered “slow bloggers”. Blogs typically have an area for people to comment or respond to the blog post. Blogs may also have other areas of content and links to other websites. Blogs can have individual authors or be a collection of authors. Blogs have a history or an archive of previous blog posts.
  20. 20. Blog? A blog today could take the form of microblogging (like Twitter, Tumblr), vblogging (video blogging), and more which can focus on a particular type of content or technology. www.twitter.com
  21. 21. Difference Web Site Is a structured presentation of web pages. Web pages are typically carefully-written pieces of information. Visitors are typically not permitted to post comments on pages. Appropriate for businesses, information sites, or any site where information is not time- sensitive, and doesn't go out of date. Examples: A furniture store, a gardening information site, a parenting resource site, IT, etc Blog Is a collection of "posts". Posts are typically casual pieces of writing and news. Each page is linked to from the menu bar. Posts have no fixed location. New posts are added at the top of the main page, and automatically arranged into categories by topic and/or date. Older posts are moved to an archive. Visitors are typically allowed to write comments on posts. The post's author typically joins in this discussion. (Allowing comments is optional.) Appropriate for any group or activity that's casual or where information is time-sensitive news. Examples: A blog about current events, a blog about the latest technology, a blog about recovery from an illness
  22. 22. Website & Blog A website can have a blog page somewhere, and most blogs also have at least a few normal web pages, such as an "About Us" or "Contact Us" page. If the main page of the site is a page of the latest posts, then the site is a blog.
  23. 23. Website & Blog A blog is a website that's like a diary
  24. 24. Designing a Website or Blog WordPress is a system to design and manage your site (or blog). It's a very popular completely-online system that lets you easily build a professional- looking website/blog without any technical know-how. www.wordpress.org
  25. 25. Overview – Word Press In WordPress, all you need to do is type in the text of your pages, and (if you like) add some pictures. WordPress will create the pages, apply your site's layout to them, and add a link to each one from the menu bar. If your site is a blog, you can easily make new posts. WordPress will add them to the top of the blog page for you, and manage visitor comments (if you allow comments.) In WordPress, you don't design a layout. You just choose one. You can't edit these layouts, but you can very easily change major features, like the background colour and header picture. This makes things very easy. WordPress operates from the internet, through your browser. Because of this, it works on any computer (PC, Mac, etc) or device (smart phones, iPhone, iPad etc.) with internet access. If you can browse the internet, you can use WordPress.
  26. 26. Server-side scripting Server-side scripting is a technique used in website design which involves embedding scripts in an HTML source code which results in a user's (client's) request to the server website being handled by a script running server-side before the server responds to the client's request. The scripts can be written in any of a number of server-side scripting languages available. Server-side scripting differs from client-side scripting where embedded scripts, such as JavaScript, are run client-side in the web browser.
  27. 27. Server-side scripting languages There are a number of server-side scripting languages available, including: ASP (*.asp) ActiveVFP (*.avfp) ASP.NET (*.aspx) C via CGI (*.c, *.csp) ColdFusion Markup Language (*.cfm) Java via JavaServer Pages (*.jsp) JavaScript using Server-side JavaScript (*.ssjs, *.js) Lua (*.lp *.op) Perl CGI (*.cgi, *.ipl, *.pl) PHP (*.php) - Open Source Scripting Python, e.g. via Django (*.py) Ruby, e.g. Ruby on Rails (*.rb, *.rbw) SMX (*.smx) Lasso (*.lasso) WebDNA (*.dna,*.tpl) Progress WebSpeed (*.r,*.w)
  28. 28. CMS A Content Management System (CMS) is a computer program that allows publishing, editing and modifying content as well as maintenance from a central interface. Such systems of content management provide procedures to manage workflow in a collaborative environment. These procedures can be manual steps or an automated cascade. The first content management system (CMS) was announced at the end of the 1990s. This CMS was designed to simplify the complex task of writing numerous versions of code and to make the website development process more flexible. CMS platforms allow users to centralize data editing, publishing and modification on a single back-end interface. CMS platforms are often used as blog software.
  29. 29. Virtual Hosting Virtual hosting is a method for hosting multiple domain names (with separate handling of each name) on a single server (or pool of servers). This allows one server to share its resources, such as memory and processor cycles, without requiring all services provided to use the same host name. The term virtual hosting is usually used in reference to web servers but the principles carry over to other internet services. One widely used application is shared web hosting. Shared web hosting prices are lower than a dedicated web server because many customers can be hosted on a single server. It is also very common for a single entity to want to use multiple names on the same machine so that the names can reflect services offered rather than where those services happen to be hosted. One widely used application is shared web hosting. Shared web hosting prices are lower than a dedicated web server because many customers can be hosted on a single server.
  30. 30. Types of virtual hosting • There are two main types of virtual hosting, name-based and IP- based. • Name-based virtual hosting uses the host name presented by the client. This saves IP addresses and the associated administrative overhead but the protocol being served must supply the host name at an appropriate point. • IP-based virtual hosting uses a separate IP address for each host name, and it can be performed with any protocol but requires a dedicated IP address per domain name served. • Port-based virtual hosting is also possible in principle but is rarely used in practice because it is unfriendly to users.
  31. 31. IP-based • When IP-based virtual hosting is used, each site (either a DNS host name or a group of DNS host names that act the same) points to a unique IP address. The webserver is configured with multiple physical network interfaces, virtual network interfaces on the same physical interface or multiple IP addresses on one interface. • The web server can either open separate listening sockets for each IP address or it can listen on all interfaces with a single socket and obtain the address the TCP connection was received on after accepting the connections. Either way it can use the IP address to determine which website to serve. The client is not involved in this process and therefore (unlike with name based virtual hosting) there are no compatibility issues. • The downside of this approach is the server needs a different IP address for every web site. This increases administrative overhead (both assigning addresses to servers and justifying the use of those addresses to internet registries) and contributes to IPv4 address exhaustion.
  32. 32. Port-based • The default port number for HTTP is 80. However, most webservers can be configured to operate on almost any port number, provided the port number is not in use by any other program on the server. • For example, a server may host the website www.example.com. However, if the owner wishes to operate a second site, and does not have access to the domain name configuration for their domain name, and/or owns no other IP addresses which could be used to serve the site from, they could instead use another port number, for example, www.example.com:81 for port 81, www.example.com:8000 for port 8000, or www.example.com:8080 for port 8080. • However this is not a user friendly approach. Users cannot reasonably be expected to know the port numbers for their websites and moving a site between servers may require changing the port number. Using non-standard port numbers may also be seen as unprofessional and unattractive to users. • In addition, some firewalls block all but the most common ports, causing a site hosted on a non-standard port to appear unavailable to some users.