Showing posts with label Technology. Show all posts
Showing posts with label Technology. Show all posts

Saturday, 22 April 2017

Digital Security and the Networked World


Many individuals see the developing way of the web of things in one of two ways. They either consider it to be a world where truly every individual, place and thing can actually converse with each other through sensors and remote network, and consider this to be an enormous aid for humanity.

Other individuals see this same world as being very horrendous, and raising immense issues as far as protection and security, and don't trust it will ever truly happen.

The web of things basically alludes to a procedure where practically every gadget that we use at home and at work, all that we wear, all that we utilize will somehow be associated with each other remotely.

This procedure enables producers and governments to gather gigantic measures of data about individuals in a way that has never been predicted or made arrangements for. This data is currently being altogether alluded to as large information, and there is a gigantic industry attempting to work out how this data can be utilized, to a great extent for the advantage of producers and apparently for the advantage of government arranging in transport and urban advancement.

Actually all significant makers of for all intents and purposes each item on the planet are currently either placing sensors into their gadgets, or arranging how to, keeping in mind the end goal to empower the web of things to happen.

While there are positively specialized challenges to beat, an entire scope of what are being alluded to as web of things stages are being created, which will at last empower a consistent reconciliation of these gadgets.

Individuals may question that this will happen, will happen rapidly or by any means. Tragically this is impractical speculation for various reasons.

The fundamental reason is that the principle recipient of the web of things well in truth be an unfathomable scope of organizations and partnerships who stand both to cut costs colossally and increment benefits essentially in the meantime.

That of itself will drive the Internet of things.

This to a degree is as of now occurrence in grocery stores, And is a better than average case of how this procedure will function.

All items in grocery stores have a standardized identification, at the checkout this scanner tag is swiped against a screen and is added to the customers charge.

In the meantime, the standardized identification sustains into the stock arrangement of the grocery store and gets under way a procedure ideal back to the appropriation focus, and at last the creation procedure itself.

Furthermore, stores are currently generally introducing self-benefit checkout works that implies the individual client needs to swipe the items themselves, therefore decreasing the requirement for staff significantly more.

While there are colossal social and libertarian issues required in this, the issue of protection and digital security is enormous, and is likely from multiple points of view to get neglected in the scramble for benefit and cost-cutting.

The measure of individual data being handled by all makers of these gadgets and items is giant, and all conceivably at danger of being hacked or traded off in some kind of information rupture. This could prompt a monstrous disintegration of trust in various frameworks as of now utilized, and could prompt critical development of personality extortion and burglary for an entire scope of people.

Thursday, 2 March 2017

Choosing a Web Hosting

Choosing a web hosting is an important step in creating a website. The whole functioning of your web resource depends on this choice.

All hosting providers are divided into two big groups: free web hosts and shared ones.
In the first place let me say that many of the free web hosting providers are not exactly free, i.e. in exchange for their services they may locate their advertisements on your website.

If your website is a home page containing your personal information or a small web resource where you share information on a certain topic, free web hosting will most probably be enough for you. In case your website is an information portal, service or a site of your company, you should definitely use services of shared web hosting.

Difference between shared and free web hosting

As mentioned above, very often free web hosts insert their ads in the form of banners or pop-ups. Visitors of your website won't be happy with it as it is widely known that advertisements are irritating, especially the pop-up ones. Therefore, if your goal is to attract the audience who are willing to visit your website regularly, coming back again and again in a day, a week, a month and not just shutting your resource in 5 seconds after getting to your first page, then choose hosting without advertisements.

What is more, with free web hosts you can only expect such domain as your_site.host.com. Such domain will hardly affect the reputation of your website in a positive way; it will sooner harm its image, especially if it's a company's website.

"Why aren't the pictures loading up?" -SUPPORT SERVICE will provide you with answers for such questions. It is absolutely necessary to have one because good service support really speeds up the problem-solving process. 90% of shared web hosting providers have adequate service support and only 10% of free web hosting providers have one.

Not every free hosting can boast such services as their own CGI-BIN directory, or the support of Perl, PHP, MYSQL, Cron, SSH, Telnet and many others. And even if right now your web resource needs none of these, such a necessity may appear in the nearest future with the growth of your website. With time you will also need more and more disc space. Free web hosts usually give you 1-100 Mb while shared web hosts provide 1-5000 Mb for your website.

So, the bottom line is as follows.

If you have just a home page or a small website about your interests, go for a free web hosting without doubts. But before choosing a particular hosting you should:

determine the disc space volume you are going to need, taking into consideration further growth of your resource;
decide whether you need the support of scripts, whether it's necessary to have a file manager or you will do just fine using ftp-access, whether you need a site-generator
think over the domain name. It should be short and easy to remember.
define your attitude as to host's ads: whether you are against it or not
When you are done with all these things, eliminate all the hosts that do not meet your requirements. I would advise you to check out the loading speed of websites located at hosting providers that suit your needs. And then you just choose the host with the least crowded channels.

I personally recommend freehostia.com. They provide:
250 MB Disk Space
6 GB Bandwidth
5 Domains Hosted
+ 1 MySQL Database
+ 1-click App Installs

FTP access. Support of PHP, Perl, Python, SSI and much more. There is also a catalogue of ready-made scripts with a possibility to adapt the design to your website - the optimal choice for a beginning webmaster.

Shared Hosting
Some may say that shared hosting is expensive, but it's just a myth. Its prices vary from 1 to 50 dollars a month depending on the set of services and resources provided. Naturally shared hosting doesn't have the disadvantages of the free one.

Nevertheless, shared web hosting providers differ according to the range and quality of services. Here are some criteria that will guide you in your choice of the shared web host:

A host should not put tough restrictions on traffic. At least there should be a possibility to pay if you exceed the limit, but the pay should not be too high.

If you need ASP, FrontPage Server, MSSQL, then you should be looking for a web hosting on NT-server and the host itself should provide these services. Otherwise, you'd better choose UNIX-hosting.

It is desirable that a host should provide Perl, SSI, PHP, MYSQL...

Apart from disc space a host should provide mail. Make sure it covers the services of ingoing and outgoing mail. Sometimes it happens so that a host provides you with e-mail addresses and not with e-mail boxes. In this case all your mail will be redirected to the e-mail box you've indicated, which will hamper your job.

A hosting provider should have its support service - working 24/7 through e-mail as well as through telephone (fax). Ask them some questions - a good hosting provider will answer you within 24 hours. If they keep ignoring you, or if there is no support service at all, keep away from such hosts.

Check out what rights you are going to exercise as to managing the server. As a minimum, you should have FTP-access to your catalogue - it will allow you to carry out necessary actions when forwarding, editing or deleting files. It would be advisable that a host had web interface to work with your server and your account.

If you are an experienced user, then it is desirable that a host provided telnet-access - you will be able to work with the provider's computer almost on the same level as with your own one.

Everyday archiving (making reserve copies) of your website is a huge advantage as well.

Good hosting is speedy web hosting. The less crowded the provider's servers and channels are - the better. Minimal bandwidth should be no less than Pentium III-800 Mhz with 512 Мb RAM

It is good practice for a web hosting provider to have their physical address and some other data

Before finally submitting the payment, get acquainted with Internet reviews of other users about this host
Surely, it's by far not a complete list of all the criteria according to which one should choose a web hosting provider. But if a host meets all the requirements mentioned above, you can start working with them.