ROBOT.TXT FILE

Web Robots (also known as Web Wanderers, Crawlers, or Spiders), are programs that traverse the Web automatically. Search engines such as Google use them to index the web content, spammers use them to scan for email addresses, and they have many other uses.

Every day hundreds of them go out and scour the web, whether it's Google trying to index the entire web, or a spam bot collecting any email address it could find for less than honorable intentions. As site owners, what little control we have over what robots are allowed to do when they visit our sites exist in a magical little file called "robots.txt."

Web site owners use the /robots.txt file to give instructions about their site to web robots; this is called The Robots Exclusion Protocol.

It works likes this: a robot wants to vists a Web site URL, say http://www.example.com/welcome.html. Before it does so, it firsts checks for http://www.example.com/robots.txt, and finds:

User-agent: *
Disallow: /

The "User-agent: *" means this section applies to all robots. The "Disallow: /" tells the robot that it should not visit any pages on the site.

There are two important considerations when using /robots.txt:

• robots can ignore your /robots.txt. Especially malware robots that scan the web for security vulnerabilities, and email address harvesters used by spammers will pay no attention.
• The robots.txt file is public—be aware that a robots.txt file is a publicly available file. Anyone can see what sections of a server the webmaster has blocked the engines from. This means that if an SEO has private user information that they don’t want publicly searchable, they should use a more secure approach—such as password protection—to keep visitors from viewing any confidential pages they don't want indexed.

So don't try to use /robots.txt to hide information.

BITCOINS

The Bitcoin is a virtual currency, but you can use to buy real objects, such as cars or food. Anyone can create, and it is not subject to the supervision of banks.

This news is bound to develop and to become important for each of us.

Bitcoin is an electronic currency and it was born in 2009. The nickname of its inventor is Satoshi Nakamoto, but his true identity is unknown .
The creation and exchange of this currency is via the peer-to-peer protocol . Its value fluctuates. In May 2012, for example, a Bitcoin worth $ 2 , while today it is more than 175 .

With this virtual money you can buy real assets, but you can sell it for cash flow (euro or dollar, for example).

The ability to coin new Bitcoin is not infinite. Indeed, there is a definite limit, which is 21 million units. The availability of new coins , as we read on Wikipedia, "grows as a geometric series every four years; was generated in 2013 will be half of the possible coins and by 2017 three-quarters ." The figure of 21 million Bitcoins are generated will be reached in 2140.

In any Bitcoin it is written whoever owns it. This way you can spend it only once, a system to prevent fraud. The database of who owns every Bitcoin is divided between those who form the P2P network .

There is, at least for now, no law prohibiting this type of currency. Besides his lack of localization and the use of a P2P network as circuit makes regulation and control almost impossible.

It is said that the use of Bitcoin provides anonymity. This is partially true. Transactions each Bitcoin address, as we read on the official website, are public and preserved forever in the network. In other words, the activities of each Bitcoin address can be accessed by anyone. The name of the holder, however, is not in any way evincibile until he himself is to reveal in the course of a transaction.

For this reason, the creators of the virtual currency Bitcoin recommend to create a new address each time you receive money, especially when it comes to transactions conducted through the site, which is public.

How to create and spend your Bitcoin

1: Create a Wallet

The first thing is to download the client, your virtual wallet (in fact , Wallet) by which you can keep and spend the money that you generate or that you'll be given . It is available for PC, Mac and Linux). You can also manage your portfolios via Android smartphones, a convenient way to pay for virtual currency also in traditional stores .

Opening the wallet on the interface you'll see an alphanumeric code, which is your first address Bitcoin (Bitcoin address, to 34 alphanumeric characters) . It is important not to lose this number: copy it in a safe place. If you lose it, your Bitcoin contained in it will be lost forever, and disappear from the network .

An important point: the Bitcoin address (Bitcoin address) and wallet (portfolio) are not the same thing. The first is a unique code, and you can generate as many as they want, based on recommended practices of behavior we mentioned in the first paragraph of this article. The second, the wallet is a wallet that you can assign all kinds Bitcoin address that, and then you end up all the money you receive on those addresses.

2: Generate Bitcoin (Mining)

The first thing to do is to get you Monente join a pool . A Pool is a kind of consortium , to which every person " gives " a part of the resources of your computer to perform extremely complex calculations . More precisely , to solve the ciphers . In the Internet there are many of these groups, to which you can easily merge .

But this provision of resources, as it happens ? Is simple. Once you 're associated with a pool and you will have created your personal account, you can download a small program in Java . When running it, part of the computing resources of your computer will be made ​​available to the group. Thanks to this union of forces, encryptions are resolved more easily. A single PC, in fact, would not be able to complete the task .Whenever a Pool found a solution to encryption, the system gives one or more packages of 50 Bitcoin, and virtual coins are distributed among all members according to the contribution of resources given .

RIGHT TOPIC TO EARN MONEY

When you start a blog, and you want to earn money, the first thing to do is to choose the right topic.

First of all, you need to focus the topic to a subject that you know well, but remember: you have to have a strategy.

If you’re blogging for fun and don’t care about making money online, you can write about anything, and you can stop to read this post.

If you do want to make money, you’ll need to find a profitable niche and choose a topic that is broad yet also specific.

One of the first things you want to think about is your niche and whether it is profitable. 

There are two possible strategy: being a big fish in a small pond, or the exact opposite, the small fish in the big pond. I think the right is to choose the big pond because that is where the money is.

In order to check if your idea is a "big pond" idea, you can search the keyword(s) in Google and compare the number of results with other different keyword(s). In other words, for example, you can compare "earn money" to "paper flowers" (remember to use double quotes). Evaluating the number of results you can found the argument more popular. In this example, if you want to be the big fish in a small pond, and you are expert of paper flowers, you choose the second topic,... 

But if you want to be another small fish in the big pond, you must choose the first topic.

Another approach to find that niche is to look at keywords that advertisers pay the most for, using tools like Google Adsense to see average prices per click or SpyFu, a paid search engine marketing tool.

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THE WORLD MOST DANGEROUS SEARCH ENGINE

There is a search engine that finds Internet-connected cameras, baby monitors, traffic lights, medical devices and power plants. The name of this search engine is "Shodan". 

Shodan is like Google, except it crawls the Internet looking for devices instead of websites. Unlike Google, its search mechanism and results are not intuitive or particularly user-friendly. In other words, you can’t just search for “baby monitor” or “dressing room IP cam” and get a bunch of options. 
To get a sense of what you can find, here are the search results that savvy security researchers — who know what to look for — have been able to find.


Shodan is a search engine that lets the user find specific types of computers (routers, servers, etc.) connected to the internet using a variety of filters. Some have also described it as a search engine of service banners, which are meta-data the server sends back to the client. This can be information about the server software, what options the service supports, a welcome message or anything else that the client can find out before interacting with the server.


Shodan collects data mostly on web servers at the moment (HTTP port 80), but there is also some data from FTP (21),SSH (22), Telnet (23), SNMP (161) and SIP (5060) services.
It was launched in 2009 by John Matherly. The name Shodan is a reference to a character from the System Shock video game series.

Shodan is extremely useful to security researchers, developers, and really anyone who has a need for the information it provides. So, let's consider a real example of how Shodan has helped a security researcher collect useful data:
In a story posted by Wired on January 24, 2012, it was revealed that security researcher Eireann Leverett created a tool that would use geolocation to map "industrial control systems" (aka SCADA systems), and then show the risk of exploitation for each machine. This research was very important with the recent concerns over the security and exposure of SCADA systems which resulted from the recent Stuxnet attack. However, before he could map the data, he had to locate the systems. As described in the article, as well as in the detailed paper written by Leverett, he was able to use Shodan to easily search for well known SCADA devices to measure the exposure of such devices. Then, he was able to use other information obtained in the banners found using Shodan to query exploit databases in order to measure the exploitability of each machine.


If you want to test the power of this (dangerous) search engine, you can try to search the term "webcam" or "webcamxp". Obviously, with this keyword you can find any internet webcam connected to the internet..... some of which are without access control....
Another interesting keyword to search is "apache".....

A fun  feature of Shodan, is the map interface: maps.shodan.io
Good fun!

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MAKE MONEY WITH A BLOG

There are basic steps if you want to make money with a blog.

1. Start a Blog

Obviously you need a blog.....

2. Write, write and write

Write posts and articles about your chosen topic. Make your content excellent: write and re-write it. In order to make money, you must have many visitors, but in order to have many visitors, you must have interesting content to visit.

3. Create relationships network

It's important that your site can be found. While you write your content, start building relationships using social media, commenting on other blogs and forums. Promote your blog on all social media.
In this way, your site will be found. People won’t naturally find your site if you don’t put yourself out there.
Remember to submit a link of your blog on every blog (web) directories. A web directory is not a search engine: it lists web sites by category and subcategory. The categorization is usually based on the whole web site rather than one page or a set of keywords, and sites are often limited to inclusion in only a few categories.
(In the future I want to write a post with a list of blag directories that accept free blog submission).

4. Grow your blog

Keep growing in the knowledge of your craft so the content you produce gets increasingly great. Use your blog to get exposure, build authority, gain trust and be helpful. 
A blog is a platform. It’s online property. Bloggers use their blogs as springboards to launch other projects that bring in income, such as ebooks, books, speaking, products, etc.

5. Monetize your blog

There are numerous ways bloggers make money. Each blogger has a different combination of income streams. There is no “right” way. 
Advertising is all about generating income directly from your blog, website or other digital asset(s).

Display Ads:

Display ads are graphics or images similar to billboards or ads in a magazine; you can position ads on your site in the sidebar, header, footer or within your content.
Advertisers hope that your visitors will then click on those images to explore and purchase the products or services they offer.
Display ads are often provided through ad networks: companies that connect advertisers with publishers (bloggers); some ad networks, like Google Adsense, are relatively easy to get into and are easy to set up. Other ad networks, though, are selective in who they accept. Examples of ad networks are Google Adsense,Blogads, BlogHer, Beacon Ads, Federated Media, Sovrn, (formerly Lijit),Media.net, Rivit and Sway. There are many more, so once you get involved in your niche’s community of bloggers, you’ll soon hear of others.If you want to make really good money with Google AdSense, you either have to be in a unique niche in which advertisers will pay a lot of money for clicks on their ads (hard to find), or you have to have a lot of traffic (hard to get, especially for beginners).

Private Ads:

Private ads are similar to display ads in that they also come in the form of buttons or graphics and usually appear in the sidebars of blogs. They are unique in that there is no middle man (ad network) to negotiate the partnership. Partnerships are arranged directly between a blogger and an individual, small business or company.
Initial contact can be made by the blogger or by the advertiser. 

Sponsored Posts

Writing a sponsored post means you work with a company and write a post about their product or service. 
Note that Google can ban sites that sell text links from search engine results. They do this because there are so many search engine optimization agencies buying links and so many low quality sites that exist purely to sell links and improve search engine rankings.
To avoid banning, Google suggest to add a rel="nofollow" attribute to the <a> tag

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FTP SEARCH ENGINE

Searching FTP files can be cumbersome using normal search engine and therefore we have special FTP search engine which crawls FTP servers to find files that can be easily and quickly downloaded onto your Computer.

Here is a list of tested FTP Search Engine to find FTP Files/Servers :

Global File Search 

Very big FTP Search engine which has scanned 1697 computers, providing valuable available resources. Their are totally 165.4 tera byte of files shared from various servers. Another feature is to scan the latest recent FTP server visited by other people which is really helpful.

Mamont 

A Russian search engine which is supposed to be the Largest FTP search engine for finding all FTP servers.

File Searching 

Another Russian service where you can search for music,videos and FTP server from the search box. Decent site which also has an advanced search option to find the specific file/server.

Napalm FTP indexer 

This engine has annoying pop up ads but finds relatively good amount of files which are maintained by members. There are around 1737 FTP servers indexed.

File watcher 

Searching FTP servers, directory and using content search is easy from file watcher. There is a search help section to teach you on how to find all your resources easily.

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LESSER-KNOWN SEARCH ENGINES

Mamma

Mamma.com was founded in 1996 and is one of the oldest meta search engines on the web. Mamma searches against a variety of major crawlers, directories and specialty search sites. The service also provides a paid listings option for advertisers, Mamma Classifieds. It had a honorable mention in the Best Meta Search Engine in the 2003 Search Engine Watch awards.

DuckDuckGo

Perhaps the biggest benefit of DuckDuckGo is it doesn’t collect nor does it share your personal information. In addition, DuckDuckGo doesn’t make users scroll through dozens of pages to find an answer. Web users also enjoy the Web of Trust, which allows them to determine which sites are safe enough to visit, and pointless pages thrown up just to make revenue but without any real content never appear in search results.

Ixquick

The self-described “most private search engine” in the world, Ixquick does not store users’ browsing histories, nor does it keep track of IP addresses, making it an ideal option for web browsers who want to keep their information private. In fact, all searches are encrypted to provide you with complete privacy.

Yippy (Clusty)

Yippy is an ideal search engine for families and those who are fed up with porn sites ending up in their search results. The search engine promises extremely tight security. It asserts that it doesn’t store any of your private information, your search history, your email addresses, and other vital information.

Gigablast

Gigablast advertises itself as the “Green Search Engine,” as it runs on wind energy, providing search results for an estimated 10 million web users. Gigablast has been around for nearly a decade, and the search engine searches through all websites on a particular keyword or phrase, rather than just individual pages.

Infospace

InfoSpace is a meta search engine which reranks results based on how they rank in the major search engines. I do not worry much about optimizing my sites for InfoSpace, I just try to rank well in the major search engines and I will rank well in InfoSpace too. Infospace powers many meta search websites. Meta searching allows the combination of search results from chosen sources to be re ranked and displayed according to a new relevance structure.

Dogpile

Dogpile is a search engine created by Infospace and it is powered by Metasearch’s technology. It is essentially a search engine aggregator as it returns results from Google, Yahoo!, and Bing.

ExactSeek

ExactSeek is a search engine that indexes over 30,000 new site submissions daily. There are over 500 million websites in their index. You can pay to have your website included as well.

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