Showing posts with label p.c tricks. Show all posts
Showing posts with label p.c tricks. Show all posts

Thursday, April 21, 2011

Connect To Your Home PCs From Anywhere With DynDNS

Posted by Unknown | Thursday, April 21, 2011 | Category: , | 0 comments



Have you ever found yourself at a friend’s house, wishing you could access the music on your computer? Or maybe you wish it was easier to connect to your VNC share from web cafes or your office? Maybe you’ve even tried writing down your IP address before leaving home specifically so you could connect?
The main problem with that approach is that most ISPs change your IP on a regular basis. Some ISPs will give you a static IP – typically for a monthly premium – and such an IP can give you access from anywhere.
Alternatively, you can use DynDNS. This company specializes in solving exactly the problem you’re thinking of with a free Dynamic DNS setup – giving you a web address that will consistently point to your computer, even when your ISP changes your IP.
And if you just want one URL, it’s a free service.

How Free Dynamic DNS Works

Here’s the deal: you get an account at DynDNS, which provides you with a free URL. Then you set up your home network to inform DynDNS of your current IP on a regular basis – this can be done using the firmware in your router – most routers support such a free Dynamic DNS by default – or by installing free Dynamic DNS software on a computer on your network designed for this purpose.
Once everything is set up you’ll be able to access your home network from anywhere, using the URL provided to you by DynDNS.

Getting Started

Setting up DynDNS is easy. All you need to do is create a free Dynamic DNS account at their website, selecting a subdomain from their wide variety of domains.
dyndns-selectURL
Being the Linux enthusiast that I am, I choose “homelinux.com,” but the choice is largely aesthetic – just pick something you can remember easily.
Once your account is set up you’ll have a username and password you can use in order to use the service. What you need to do now is set up your home network to regularly report your IP to DynDNS.

Configure Your Router

The simplest way to do this is to configure your router to do so. How to do this varies depending on your brand and model of router, but for the most part the process goes something like this:
1. Type your router’s internal IP address into a web browser and hit “enter.” This will bring up your router’s web-based configuration.
2. Find the dynamic DNS option, and enter your settings.
On my Linksys router, this configuration looks something like this:
dyndns-routersetup
Typically all your router needs is your DynDNS username and password, so enter those and you’re good to go.
3. Apply your changes. This may shut down your router temporarily, but just start it up again.
Obviously configuring your router is the simplest way to do this, but if don’t have a router, or if your router doesn’t support DynDNS directly, you can download software here that can report your current IP to DynDNS.

Port Forwarding

Okay, so you’ve got your fancy URL now but attempting to use it to connect to your computer from elsewhere won’t help much unless you set up your router properly.
Your router essentially acts as a firewall, as all incoming requests are directed to it. Unless your router is specifically aware of what requests are going to come in, it will continue to block everything you try to connect to from outside your network. That’s where the magic of port forwarding comes in.
If you don’t know what a port is, the best analogy is that of an apartment number: if your IP address is like your street address, your port number is like your apartment number.
If your friend knows your street address, but not your apartment address, they’re not going to have much luck finding you. In the same way, if you’re connecting to your computer from somewhere else on the Internet you can’t just type your IP address: you need to specify which port you’re trying to access.
For example, popular remote-desktop software VNC uses 5900 as it’s default port. If I want to connect to one of my computers using VNC from outside my network – for example, from a web cafe – I need to make sure my router knows to forward all incoming requests to port 5900 to the computer I want to control.
Setting this up isn’t that difficult: it’s almost always possible from your router’s web-based configuration. On my Netgear router the setting screen looks something like this:
dyndns-portforward
In the above example I’m setting up VNC to forward to my media center computer. Like setting up your router with DynDNS, be sure to apply your settings after you’ve added your new configuration.
If you’re not sure what port a particular program uses, you can either search that program’s configuration for the option to change it or search the program’s documentation.
There’s still more: the firewall on your computer may also block incoming requests, unless you set up your firewall to allow for connections on that port. Check your firewall’s documentation if you’re not sure how to do this.

Uses

VNC’s only one example of a program you can use this method to set up, of course. If you set up an FTP server on your computer you’ll be able to access your documents from everywhere. You could use this method to connect to any program’s WebUI, including the bittorrent client Deluge.
Basically anything you can connect to from within your network can be made to work Internet-wide with DynDNS, if you’re willing to set it up.

Testing

Testing your setup is easy: call a friend and see if they can connect to your computer using the programs you’ve set up.
Alternatively you could use a proxy service to connect to your computer. If you can connect through a proxy, after all, you’re connecting from outside your network.

Configure Modem

Some ISPs – such as Qwest in the Western United States – provide modems that are intended to function as wireless routers as well as modems. If you have such a modem you might find that DynDNS doesn’t work for you. If this is the case you need to configure your modem to forward all requests to your router, from where port forwarding can properly happen.
If you think this is happening to you, check out the website of your ISP or give them a call. More likely than not they’ll be able to help you.

Conclusion

I use DynDNS to connect to my home network from elsewhere, and it works like a charm. Sure, setting it all up requires you learn some networking skills in the process, but if you’re reading MakeUseOf you probably love learning stuff anyway. And you never know when such skills might come in handy.
What about you guys? Do you use DynDNS or a similar service to connect to your computer remotely? Do you have any questions about setting this all up? As always, feel free to discuss everything in the comments below.

Saturday, January 1, 2011

How To Use frames In A Better Way!

Posted by Unknown | Saturday, January 1, 2011 | Category: , | 0 comments


Hello viewers,I have been googling from so many days on how to use iframes(frames) in a better way for my website.but i did'nt find a perfect solution for what i want,so me and my friend started thinking on it,atlast we find a simple and better solution on how to use frames in a website!
let us start,assume you have a website in which you have to just change the required content and the remaining content shoud be sticky,ex consider this blog we have same sidebar contents in every page and just the post contents are changing in every page,so it is a best way to use iframes here which makes total page to remain same and just changes the centre part but in blogger it is not possible to do so,thus we cant use frames just for changing the post content in blogger blogs,but if you have your own website you can simply use frames for a fast loading and saving bandwidth.
Now we understood why to use frames,let us start how to use them,
To use frames first of all we need to know which part of the page must be change and which content must be sticky,for example consider gmail initially it loads inbox but if you need to access starred mail you need to click on  starred do you observed any  time as soon as you clicked,only inbox gets disappeared and in that place you see your starred mail content,thus that is the place where you need to change and remaining must be left same!


so let us start now,keep this piece of html code where you need to change your content.

<iframe id="frame" src="someurl.html">
</iframe>
That`s it the place where you insert this code will be changed according to links you put.
To make changes we have to add a piece of javascript code to menu links or wherever you put a navigation!
consider a simple list,
ex:

<div class="container">
<ul class="menu_body">
<li><a href="google.com">google</a></li>
<li><a href="yahoo.com">yahoo</a></li>
<li><a href="bing">bing</a></li>
<li><a href="blogger.com">Blogger</a></li>
</ul>
</div>

Now we add javascript for our list item`s,ex:
Now replace the code
<li><a href="google.com">google</a></li>
With below code
<li><a onclick="document.getElementById('frame').src='www.google.com';">google</a>

if you click on the list item your page where you inserted iframe will be changed according to the given link.
Hope you all liked this post!
reply to post if you have any doubt!
Thank u!

Monday, September 27, 2010

How To Reinstall Windows XP Without Losing Anything

Posted by Unknown | Monday, September 27, 2010 | Category: , | 0 comments

You can use this method as often as you like when you need to repair something that had gotten corrupted and you don't want to do a clean install.

This is better than doing a windows repair install from the cd because doing that can cause changes to settings and even make it so you can't get updates anymore from microsoft update site because of the 'silent install' they did a year or so ago (unless you rereg some dll files).

1- Start WindowsXP
2- Go to the location of your source files
3- Run WINNT32 /unattend
For example, D:\I386\winnt32 /unattend ( copy & paste this command into the RUN box, then press ENTER ) Your computer will do the rest.

OR

Start > All Programs > Accessories > Command Prompt.
Copy & paste > D:\I386\winnt32 /unattend (notice the space between 32 and / )
Press Enter.
If you have i386 on your drive, you can replace D: ( if D: is your cd drive ) with the location of it. (be sure it's the full i386 though)

D: is the driver letter where your windows XP Cd is
if D:\I386\winnt32 /unattend doesn't work then try : d:\winnt32 /unattend.
thank u!

Saturday, September 25, 2010

Hackin Administrator Account without guest Enable

Posted by Unknown | Saturday, September 25, 2010 | Category: , | 0 comments

For hackin admin accout widout guest or any other account enable u need to have a bootable cd called as AVAST BART (bootable antivirus and recovery tool) u can get it from any uploadin site like megaupload ,hotfile or rapidshare some of links are below:
http://uploading.com/files/a187a2ca/Avast_BART_CD_2009.part1.rar
http://uploading.com/files/699e654e/Avast_BART_CD_2009.part2.rar
now after downloading this u have to make bootable cd for this ....now run dat cd on the computer u wanna hack ....boot dat cd and after some processin u will see Avast Bart window ...here if u search u can find u window based "Servant Salamander" option here u can graphically recover files....aftr opening it u all u have to do is go to C:\Windows\System32\ from here copy cmd.exe to any other folder now there rename that cmd.exe wid sethc and then copy and replce dat file into system32 folder sethc file.
now evrything done now boot the window again this time not wid the avast bart cd ...at the time when login window ask for the admin password u have to press shift key many times now inspite of showin sticky key option u will see dos window wid admin privileges
now from here u can change admin pass
first chk d active user by typin
c:\net user
now to change password of selected user eg for Administrator
c:\ net user Administrator * press Enter
it will ask u for new password
so dats how u can change admin pass widout any active account
thnks

Tuesday, September 21, 2010

Real Hide IP 4.0.5.6

Posted by Unknown | Tuesday, September 21, 2010 | Category: , , | 0 comments



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