Facebook is one of the best social network sites of  present days where more than more than 800 million of users are there in present state. As the increases of the user are increasing day by day similarly the bad activities of the users are also influencing on facebook; especially these people are called hackers. Since few month before there has been occurring a problems on facebook account. The main problem is publishing of unfamiliar ( Šéxûà?) links and videos on facebook wall which use to get automatically spread after the links are clicked. These sorts of vulgar and unwanted links are being published by the hackers on facebook. As the founder of facebook Mark Zuckerberg said that his facebook account was hacked by the hackers since these activities are being occurs in our facebook account. Sometimes the notifications are also displays on your notification link that your friends have shared this link or he/she has liked your link. But in reality is not true but the activity of hackers. So if you see any such sorts of links on your wall than your are suppose to delete it without watching and clicking the links because after watching or clicking the links it automatically spread on the wall of your friends.

How to secure Facebook from hackers

• If you are interested to get protected by such types of activities than please follow the following methods so that can get protected from such types of misuse.
• It is true that the hackers can easily get your email address from different places or the media but they feels difficult to get the password and this one is their challenging  job for them. So they have spread different software and websites on internet which required sign up. So if you are downloading any types of software or if you are opening any sorts of account on internet than do not use the password as same as of facebook. If you provide the same password as same as of facebook account than hackers can easily hack your facebook account. If you are interested to sign up or register such type of account than provide different password.
• While creating new facebook account do not provide your personal full information on it because hackers or some other may misuse it.
• While providing the password on facebook; make it difficult by giving different symbols, characters, numbers and letters. Do not use the common letters and words such as 1,2,3, home address, life partner/lover name, mobile number, own name or last name etc. provide the password with different characters like “85^sum43#”
• Number of people are opening their facebook account to spy other people and number of request are coming on your friend request, so if you are accepting any one on facebook friend request than do not look their photo uploaded but check their friend list, info, bio, wall etc.
• While installing any new types of application on facebook may spread the virus so we must find out the complete information of those application and confirm that it is secure for you.
• Using the information like your phone number, address or your personal information on your info of your facebook may cause difficult for you because number of business people will may call you and give you problems saying buy this, that, admit here, there blahhh… blahh… sometime this information may goes in the hand of criminal too. As well as we must not show the email address on facebook info. Together with if you are liking any sorts of pages you must be careful. Sometime such pages may not be familiar to you.
• The facebook users must use the mobile confirmation system on your setting.
• If you see any unwanted and unfamiliar links on your wall than please delete it and do not watch it because it get spread automatically to your friends wall as the result your good relation may break with your closet and best friends.

Note: please do not create facebook account on the name of some other person or people.

Also Read About:

• Protect your self from facebook stalkers
• How to secure the Facebook account
• How to create dynamic Facebook Fan Page easily
• How to set up video calling on Facebook
• Twitter v/s Facebook

Meta tags are one of most essential parts of any website or blog for the better position in search engines like Google, Yahoo, and Bing etc. Meta tags help to say what types of website or blog is it. In another language we can say that Meta tags use to provide the information about website or blog. Meta tags help you to index pages in accurate and efficient way in search engine. Meta tags plays very vital role in blog or web page. If you are interested to keep Meta tags in your blog but you do not know that what is Meta tags than you might have problem in coming days regarding your blog traffic. Today I am here to provide you a tutorial about how to keep in your blogger blog. So please follow the following instruction for the better Meta tags.
How to add Meta tags in blog

Firstly login your blogger account

Click on Design option as in figure below

Click on Edit html as in figure below

Search the following code by pressing Ctrl+F from keyboard

<b:include data=‘blog’ name=‘all-head-content’ />

Paste the following codes just below the above code.

<meta content=‘YOUR BLOG DESCRIPTION HERE’ name=‘description’ />
<meta content=‘YOUR KEYWORDS HERE’ name=‘keywords’ />
<meta content=‘YOUR NAME HERE’ name=‘author’ />
<meta content=‘ALL’ name=‘ROBOTS’ />
<meta content=‘blogger’ name=‘generator’ />

Note: In above code, provide the description of your blog in “Your Blog Description”, provide the keywords which describe your blog in “Your Keyword Here”, you also can add author name in “Your Name Here”

Finally, save your template.

Before writing something about the top android applications; let me write something about the Android. Android is a type of Operating System which is used in mobile devices or we can say that likely android operating system is used in smartphones and some computer tablets. The development of the android is introduced as per the demands and wants of mobile device users & as per the advancement in technology. In preface we can understand the Android as an operation system. But today I am not going to tell detail about the android operating system but today I am discussing some of the top android applications used. As the android introduced number of applications are introduced and out of them some are good and some of them were not good. There are also still some of the applications which are in top level and followings are some of the top android applications used in smart phone and tablet computers.

Photoshop Express:

We people use to say that mobile device with the absence of camera is nothing; even now most of the people do not show this type of mobile phones to their friends. So now its become a trend that a mobile device must have camera facility. So most of the mobile device that are available in these days have camera. Though the users can snap photos with their devices but one of a unfortunate thing is they will not be able to edit those photos as we use to edit in our computer by using some photo editor applications. So by viewing this problem android have introduced an application called photoshop express in smart phone which have android operating system. With the help of photoshop express application the smart phone user easily can edit their photos, for example they can edit colors, change the quality adjustment, give different effects and cropping too. The users do not have to swith on their computer PC for this work. And after that user will be ready to share those photos on Facebook, tweeter or some other social networking sites.

Sketchbook mobile

If we have to look another cool application for android mobile phone than the name of sketch book mobile will not be left. Sketch book mobile is one of the coolest application whch offer the user a full set of sketching tools where the users easily can sketch pictures and design it with their finger tip.

Weatherbug:

Weatherbug is another best android application which use to give the weather alerts, forecast and current conditions of the place etc. this weatherbug use to give most accurate and reliable together with timely weather information from topographic maps to the conditions of weather on your smart phone. It is consider as one of the most comprehensive weather application available in android smart phone.

Speedview:

If you are running or traveling and if you want to know or find out what is your speed at that time than I think you will not be able to find it if you do not have any such type of instrument which check your speed. But if you have android smart phone with the application speed view than definetly you will be able to. Yes the main function of this application is to provide you current, average and maximum speed together with the total distance and the total time traveled as well as direction too. Speedview is consider as one of the most advance application use in Android phones which uses the GPS system of your smart mobile phone.

Google Maps:

The application called google maps is now of the most popular application on our computers but now not only that google maps also comes under one of the best application on androd mobile phone too. With the help of Google maps installed on your android device easily can search places, hotels, directions, latitudes etc with the GPS navigation. If you have this application in your android device than you do not need to cary any paper map for you. These days Google Maps is now becoming popular in android smart phone too.

Epicurious:

You have seen cooking book and different tips books as a physical component but most of the people may not have seen those cooking book digitally in their mobile phone. If you are lover of cookig or if you always wonder that what to cook for dinner or if you want something delicious for your dinner; than you do not need to be worry if you have Epicurious application in your android smart phone. Epicurous is one of the best & best android application which easily can provide you recipe details with simple browsing site of epicurous. This application can provide you more than 28000 delicious recipes from renowned magazines which are tested by professionals. Epicurious application work as your cooking book.

Barcode Scanner:

Barcode scanner is another best android application available. With this application you can easily scan the barcode available that are you found in products and find out its reviews and prices. With barcode scanner the android phone user also can scan Data Matrix & QR Codes  too.  In view point of price, productivity you will not be cheated if your android device have barcode scanner. Barcode scanner is one of the coolest application available as android application.

There are number of web hosting companies which provide different types of services, but there are also some of the companies which provide free web hosting service. In free web hosting service user do not need to pay for the space. Generally these free web hosting service are use for the advertisement. As I have already mentioned that free web hosting is free of cost but these types of companies also use to provide free subdomain. Subdomain means it is child domain followed by the main domain name for example if the main domain name is www.example.com than sub domain name can be yoursite.example.com. There are also many companies which provide certain amount of web space in free and make the user to pay for the domain. There are also some of the free web host companies which provide free 3^rd level domain name free with the DNS & other facilities.

Most of the free web hosting service available is based on the Linux based servers with the support to the Mysql, PHP and CGI based scripts. WHM and Vista Panel are the types of services used as control panel.

Some of the examples of free web hosting service are:

• 000webhost.com: free web space of 1500 MB
• 50megs.com: 50 MB disk space free
• 110mb.com: 110 MB Disk Space free

Microsoft windows is one of the world most popular operating system based in graphical user interface that means which is very friendly to the users. As we have seen and used the different versions of Microsoft windows such as windows 95, windows me, windows 98, windows NT 4.0, windows 2000, windows server 2003, windows vista, windows XP, windows 7. These are the most used windows by the users in the world which is very easy and simple to use & are very friendly to users. Day by day Microsoft is developing as the competition increases. From the birth of Microsoft to till now it has developed extremely. Year by year company introducing latest and new types of features similarly, company is now going to produce its latest version of windows called windows 8. It’s the codename of the next version of Microsoft Windows, a family of operating systems produced by the company Microsoft for the personal use in computer together with in home & business desktops, laptops, tablet PC, notebooks and in media center PC.

Windows 8 adds the support for ARM microprocessors in addition to traditional x86 micro-processors from AMD and Intel. Windows 8 the user interface has been changed for the better suited for touch screen input in addition to traditional mouse & keyboard input.

According to the Microsoft Company it has not yet announced releasing date of windows 8 but according to the major media outlets it will be available in late 2012.

Source: Wikipedia.org

Most of the people may have heard about the Linux; Linux is a type of operating system used in computers and this operating system is open source software which was developed by Linus Torvalds in the year 1992. But friend today I am not going to talk about the Linux, today I’m writing about Scientific Linux. Scientific Linux is introduced by Fermi National Acceelerator Laboratory, CERN (European Organization for Nuclear Research) & the different labs and universities all over the world. Scientific Linux is an open source operating system which is based on the Red hat. Aim of Scientific Linux is to be close to commercial enterprises allotment. The base Scientific Linux distribution is chiefly Enterprise Linux, recompiled from source. This is derived from open source software and free made available by the Red hat but is not supported or maintained by the Red Hat, Inc. The main aim of Scientific Linux is to have every thing compatible with the Enterprises with few small additions or changes. Alpine & Open AFS are some examples of items.

Scientific Linux is developed from source code of Red Hat Enterprises Linux versions under the rules and regulations of Red Hat Enterprise Linux’s EULA & GNU General Public License.

If we see the history than FERMI lab already had Linux distribution called Fermi Linux LTS 3.0.1 which was based on RHEL. Similarly the CERN was also developing their next version of CERN Linux which was also based on RHEL. Therefore CERN contracted with Fermilab about joint collaboration. Main driver and the developer behind the first prototype and the initial release was Connie Sieh. And the first release was made in the year 2004 May 10. At the time of release of Scientific Linux 3.0.1 CERN made collaboration & became the co-developer of Scientific Linux. This Scientific Linux comprises software that are appropriate for scientists & those people who are working with the scientific data.

Source: scientificlinux.org & wikipedia.org

In the internet we use to find different types of information such that may be in the form of website text, sound or that may be in video format. Videos are one of the most effective media to transfer the information. With the help of video we can learn many things such as we can have different types of video tutorial, learn our courses with the videos of popular lecturer and many more. With the help of internet we can watch these video when the internet is activated in your computer. But what happen if your computer is not connected with internet and you have to watch the lecture of your professor that you missed in your last class. Of course you will search for that video which shoots when your lecturer was giving lecture of your course study. You will ask for your friends for that video but what if your friends are out of your reach and if they didn’t share that video? Yes you will miss that video. You will try to search that video on internet but what if you do not know how to download that video. You will be in problem. Friends if you do not know that how to download youtube videos than today I am going to guide that how to download youtube videos to computer.

Downloading videos from youtube is a kind of passion for some people; they love to download youtube videos. When you download youtube videos to computer than you can easily watch that video when your computer is out of reach from internet. There are different methods to download youtube videos to computer, some people uses youtube downloader and some other kind of software to download youtube video. Most of the people uses browser plug-in to download youtube video; in one way installing plug-in in web browser have advantage that is whenever you will watch a video on internet website that it automatically save the videos that you watched and for future it will save to your computer. Generally people are using such types of plug-in. But while using plug-in what is the disadvantage is that we must watch the full video.

Youtube downloader
Youtube downloader is another type of software which can be easily download from internet and can install to their computer. If you want to download youtube video to computer using youtube downloader than firstly you need to download the youtube downloader from internet and install to your computer after installation. When the youtube downloader is successfully installed to you computer than open you the program from your computer, a youtube downloader box will appears asking “Enter Video URL”, here you can copy the URL of the video from youtube that you want to download and click on OK button; after this it will take few time and your video will start to download. This is one of the best ways to download youtube video to computer in a simple way where you do not need to watch full video and the plug-in use to do. Youtube downloader format is given in the figure below.

Download youtube video to computer using online service
If you have internet connected to your computer than you also can easily download youtube video to computer using the online service. There are lots of online services present in internet. So some of popular of them I am going to describe. Before describing about such services let me say how the online services use to work while downloading youtube video to computer. Generally the web services simply need the URL of the videos that you want to download, such services also gives facilities to convert the videos to different formats such as flv, 3gp, mp4, avi etc. so following are some of the top online youtube download service providers.

• Savevid.com
• Keepvid.com
• Kcoolonline.com
• Zamzar.com
• Vidgrab.com
• Keep-tube.com
• Saveyoutube.com
• videogetting.com

These above are some of the top youtube video downloader. Where simply you need URL of your video and past the URL in located area and click on download. Online youtube download is one of the best ways to download youtube videos. I also use online video downloader. Most of the time I use to download from savevid.com. In savevid you need video URL from youtube.com and past in located area, but friend you must remember that while you download any video using online services your computer must have Java installed in your computer; if the Java is not installed in your computer than you cannot download videos. You can download Java from java.com/en/download/. After you installed Java into your computer than you can easily download videos from online services. Here below I have given an example of savevid.com downloading format please proceed it.

How to find IP address of computer (Window XP)

We know that every electronic devices use to have IP (Internet Protocol) address, similarly our computer also have IP address.  Devices that use to take participate in computer network use to have IP for the better communication. IP address is used in our mobile phones too. So if you want to see the IP address of you computer than how to find IP address of computer? This may be one of big question mark to those who do not know the process but most of us know that how to find IP address of computer. To those who do not know how to find IP address of computer I am going write a tutorial about it.

Followings are the steps to find IP address of computer.

1. When your computer is started  than click on START button and click on RUN
2. A dialogue box will appears; type CMD in that dialogue box and click OK
3. When you click on OK you will be able to see a dark box on your computer screen (DOS)
4. After that type IPCONFIG and press enter
5. Now you will be able to view your some of network informations with IP address of your computer.

If you are interested to see more information regarding physical address, default gateway, subnet mask, DHCP server, DNS servers than repeat up to 3 steps and in fourth step type ipconfig/all; you will be able to see each and every information as figure below.

The full form of IMEI is International Mobile Equipment Identity. It is a type of number use to identify mobile phones which is  generally use to be unique. Usually the real IMEI code are found printed inside the compartment of mobile phone. This IMEI code use to be in all kinds of UMTS and GSM mobile phones which is commonly found in Asian, European, African and Australian countries and also in America. International Mobile Equipment Identity (IMEI) use to identify all kinds of WCDMA, GSM, iDEN phones together with it also identify some of satellite phones too. For the identification validation for device GSM network use to use  IMEI number to protect for accessing the network by stolen mobile phones in that place or country. With the help of IMEI code number the owner of mobile phone whose phone is stolen easily can call to their network provider & order them to keep IMEI code number as blacklist. If the IMEI code number is black listed than it can not be used on that network though the SIM card is changed. As I have already mentioned that International Mobile Equipment Identity (IMEI) code is used to identify the devices but it has no permanent or semi permanent relation to subscriber. But the subscriber is identified by the  transmission of IMSI number that is stored on SIM Card which can be easily transferred to any handsets. Many security features and the networks are enabled  by finding the recent or current devices being used by the subscriber.

 Due to the competition in the market most of the third party or the third company use to introduced duplicate mobile phones with the absense of IMEI code. The IMEI code of such mobile phones are not registered and the mobile are illegal. Generally this use to be in some of Chinese mobile phones where the IMEI codes are not provided. With the help of IMEI code you can find that your mobile phone is trusted or not. So if you are also interested to check whethere your mobile phone IMEI code is registered or not; than you also easily can check. So how to find IMEI code of mobile phone. Let’s follow the following few steps to find IMEI code.

How to find IMEI code of mobile phone

• Here firstly you must be sure that your mobile phone must be switch on with active dialing key pad
• Now press *#06# you must press the keys sequence as I mentioned.
• When you press last # key than you will be able to see you IMEI code number e.g. 431654970742965
• While pressing your last # key if a message appears saying that you IMEI code can not be found or error than be sure that your device’s IMEI code is not registered. It’s not registered and illegal device.

The full form of IP address is Internet Protocol address; generally the IP is a type of numerical label assigned to devices like computers, mobiles etc which participate in computer network that uses Internet Protocol for communications. Generally the IP address serves have two principal functions that is location addressing & host or network interface identification. Generally the IP address is defined by the Internet Protocol designer as a 32 bit number which is called Internet Protocol Version 4 or in short cut we use to say Ipv4. Ipv4 is still are in use in today’s world.

Internet now has become one of the parts of human being so demand of internet is rapidly increasing as well as the growth of the predicted depletion of available addresses therefore to solve this problem a new kind of addressing system in introduced called Ipv6 which uses 128 bits for address. Ipv6 was first developed in the year 1995 and which was standardized as RFC 2460 in the year 1998 which has been become a part of this IP world since the year 2000s.

As I have already said that Internet Protocol (IP) addresses are binary number which is in the form of zero and one but it is generally stored in text files and help the human being to read it or it is readable notation to the human being. The example of IPv4 is 192.15.547.8 and the example of IPv6 is 2001:db8:5:546:9:4.

We know about the IP addresses but some of us may not know that who is the provider or the manager of such IP addresses, yes, IP addresses space allocations are generally managed globally by IANA (Internet Assigned Number Authority) and which also organize or assign to five different regional Internet Registries (RIR) for allocation the IP address block to the local Internet registries (Internet Service Provider) & some other units.

Source: Wikipedia.com