Operating System | Tech Sharing Blog

Google Chrome Remote Desktop

By David on December 25, 2011

Remote desktop connections are always a great help while troubleshooting computers. By gaining access to a friend’s computer remotely you can easily understand what computer problem they are having and resolve it. Here to offer its own solution for remote desktop sharing is Google’s new tool called Chrome Remote Desktop.

Chrome Remote Desktop is a browser extension by Google released for Chrome. The extension installs in your browser and generates an authentication code for you to share with others. The person you share the code with must also be using Google Chrome with Chrome Remote Desktop installed. This other person can visit the extension’s options and select the “Access a shared computer” option to connect with your computer after they provide your authentication code. Once the connection has been established, your computer could be controlled remotely by the other person; similarly you will be able to control his computer through your Chrome window.

Chrome remote desktop Request for Permission Google Chrome Remote Desktop

You need to grant the permission to the extension before you can actually start using it

Chome remote desktop access code Google Chrome Remote Desktop

After everything, just provide your remote partner with the generated code, than he will be able to access your computer

Watch the follow video clip on how the Google Chrome remote desktop work:

Click here to download Google Chrome remote desktop extension

Popularity: 1% [?]

Microsoft launch SkyDrive app for iPhone and Window phone

By David on December 24, 2011

Microsoft just announced their new iPhone Apps for their Cloud Storage – SkyDrive. Now you have 1 more alternative besides iCloud, Box and Dropbox. SkyDrive apps worked similar with other competitor product which you can access all your files and folders from anywhere at anytime. Besides accessing your documents, music, videos and pictures, can share them easily with other people.

The major advantage for SkyDrive compare to other product is the storage size. For those who are familiar with SkyDrive, you should know that Microsoft actually offer 25GB of free storage if compare to Dropbox who offer 2GB, whereas Box is actually offer 5GB of storage.

Watch the SkyDrive app for iPhone

Watch the SkyDrive app for Windows phone

Click here to download SkyDrive for iPhone

Click here to download SkyDrive for Window Phone

Popularity: 1% [?]

Your Guide to the Latest and Greatest Mobile Operating System.

By David on November 27, 2011

Apple just release their lastest and most advance mobile operating system, iOS 5 at 12 October 2011. The lastest iOS 5 come with a lot of new features for iPhone, iPad as well as iPod touch. If you already updated your device to the latest or going to upgrading your device but want to know what are the thing that you going to get with the latest iOS, so you may consider to read the manual By Lauchlan Roy – Using iOS: “Your Guide to the Latest and Greatest Mobile Operating System.”

With the help of this manual, you may cut short your time to ultilize all the new features that the iOS given to you. From the manual, you will learn the following thing such as

What iOS 5 is, and which devices you can use it on
New features in iOS 5, from reminders to Twitter integration
Mastering the new, Android-style dashboard
Using the new messaging to send texts for free over WiFi, even from an iPod touch
Device-specific features, from Siri to
iCloud: what it is and what it does

Using iOS: "Your Guide to the Latest and Greatest Mobile Operating System." (24)

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Create multiple virtual desktops in Windows with Sysinternals Desktops

By David on November 23, 2011

One feature of Linux that you may have liked that is you can switch between different virtual desktops. You can do so for Windows by using a free program named ‘Desktops’. Desktops from SysInternals, creates 4 virtual desktops. Plus you can switch between them very easily and fast.

The Sysinternals set of utilities and web site was created in 1996 by Mark Russinovich and Bryce Cogswell to host their advanced system utilities and technical information.

Desktops Create multiple virtual desktops in Windows with Sysinternals Desktops

Windows Sysinternals develops some very useful and good applications for windows. Whether you are an IT Pro or a general Windows user, you can use many of Sysinternals utilities. You don’t need to install the application as it is a stand-alone application.

With Desktops you can create virtual desktops; it actually creates three additional desktops, to the one you are running. It is very tiny being just a 60 KB download.

You can make the application auto-start with your Windows. The application doesn’t get minimized to taskbar; it is just minimizes to the Notification Area. You can specify the hotkeys so that you can switch between virtual desktops very easily. If you forget on which desktop you were working, you can see its icon in the system tray. The icon will indicate which desktop you are working on. The interface of the program is very user-friendly. There isn’t much on interface – no menus, no more buttons – except “OK” and “Cancel”, etc.

You can minimize it to system tray after you are done with your settings and clicking on OK. Do remember to check the check-box which says “Run automatically at logon” so that at every logon you don’t need to open the application.

You can download it for Windows by visiting SysInternals.

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How to update your Apple iPhone, iPad, iPod Touch over the air

By David on November 22, 2011

Apple iOS 5.0 or later supports “Over-The-Air” (OTA) software update that you no longer need to download few hundreds MB installation file using iTunes.

In this article, you will learn how to install iOS software update directly from your iDevice (iPhone, iPad, iPod Touch) with small download size.

Make sure your iPhone/iPad/iPod touch has iOS 5.0 or later installed.
On your iDevice, goto Settings > General > Software Update
If iOS update available, you will see the new iOS version and the download size and what’s new about the update.
Tap on “Download and Install” to install new iOS over-the-air onto your iDevice.
Download will start and install and restart your iDevice.
Done! Now you have latest iOS version!

Note: Apple iOS OTA software update only works when your iDevice is connected to WiFi, it won’t download software update if you are using mobile connection like 3G network.

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Enabled telnet service in Window 7

By David on September 21, 2011

By default, window 7, Window Server 2008 R2, Window Vista and Window Server 2008 come with telnet service disabled. They do that is to hardern the operating system as well as to save the resources as most of the common user will never use this service at all.

To use this features, you must manually enabled it. Just following the following simple step to enabled it:

Start
Control Panel
Programs And Features
Turn Windows features on or off
Check Telnet Client
Hit OK

After that you can start Telnet via Command Prompt.

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Turn off SSLv2 and Weak ciphers

By David on July 11, 2011

Recently running some security checking of one of my web site and found out that getting the alert of deprecated SSLv2.0 protocol still enabled on my server. This is also one of the requirement from Payment Card Industry Data Security Standrad (PCI-DSS) v1.2.

So I spend sometime to Google it and go through some forum + blog, finally found out the solution to turn it off, but microsoft not providing the UI way to do that, have to manually go to registry and edit it by our self. How to check is my server are enable the SSLv2?

There are many way to check the configuration including using the Open SSL (I’m not too familiar with the OpenSSL so i use the alternative way – web). You may go to Serversniff.net, enter your web domain or IP address of your server which enabled the port 443 or you may edit the port number if you not using the standard SSL port of 443. After all, just click on SSL-Check.

How to disabled the SSL2.0 in window server 2003?

Click Start, click Run, type regedit, and then click OK.
In Registry Editor, locate the following registry key/folder: HKey_Local_Machine/System/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Protocols/SSL 2.0
Right-click on the SSL 2.0 folder and select New and then click Key. Name the new folder Server.
Inside the Server folder, click the Edit menu, select New, and click DWORD (32-bit) Value.
Enter Enabled as the name and hit Enter.
Ensure that it shows 0×00000000 (0) under the Data column (it should by default). If it doesn’t, right-click and select Modify and enter 0 as the Value data.
Restart the computer.
Verify that no SSL 2.0 ciphers are available at Serversniff.net or the Public SSL Server Database

Registry key location which you may need to touch on

[HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/DES 56/56] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/NULL] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/RC2 40/128] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/RC2 56/128] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/RC4 40/128] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/RC4 56/128] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Ciphers/RC4 64/128] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Protocols/PCT 1.0/Server] "Enabled"=dword:00000000 [HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/SecurityProviders/SCHANNEL/Protocols/SSL 2.0/Server] "Enabled"=dword:00000000

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How to schedule disk cleanup manager to run in Window XP/Server 2003?

By David on December 16, 2010

Our computer are very smart and it will help us to enhance the user experience by creating some temporary file and store it in somewhere in your harddisk. So after sometime the un-used files, old temporary files, temporary Internet files, and any log file may use up a lot of space in your harddisk, in addition, those unwanted file may also slow down your computer performance. Keeping your harddisk clean and tiny is a way to mainteance your computer performance at the top.

This task seem easy but very time consuming as we may need to find out what files are useless for our computer and safe to delete without affecting our computer. Microsoft Window XP/2003 did provide a very user friendly tools for us to done the task call ‘Disk Cleanup Manager’.

You can get the tools at Start –> All Program –> Accessories –> System Tools –> Disk Cleanup.

But to using this tools, it need the human interaction which response to it on the spot in order to accomplish the job. Why not we make it run automatically at the time that the computer is free or idle without any response needed by the user.

To do so just following the following step:

Click Start Menu > Run, then type cleanmgr /sageset:1
Click OK.

Disk Cleanup opens with a list of the possible files to be deleted. Select a file type to display a description. Check the boxes for the files you want removed, and click OK.

Disk cleanMgr 1 How to schedule disk cleanup manager to run in Window XP/Server 2003?

Next, you need to schedule Disk Cleanup to run when you want it to.

Open Control Panel, double-click Scheduled Tasks
Double-click Add Scheduled Task
On the Scheduled Task Wizard dialog, click Next.

In the list of applications you want Windows to run, click Disk Cleanup, and then click Next.

Select a frequency for the task (once per week is usually enough) and click Next.

Select a day of the week and time for the task to run.

Enter the name and password of a user.
Check the box to open Advanced Settings when you’re done.
In the Run box, add the following to the end of the path: /sagerun: 1 and then click OK.
Task Scheduler will automatically run Disk Cleanup with the settings you selected at the time you selected.
Done

Done.

There are something you need to attention on which is the first command and switch you enter in the command prompt are difference with the extra command and switch you enter on the scheduler. The command enter in command prompt is /sageset but in the scheduler is /sagerun.

Syntax

CLEANMGR option

Options

/d driveletter: – Select the drive that you want Disk Cleanup to clean.

/sageset:n - Display the Disk Cleanup Settings dialog box and create a registry key to store the settings you select.

The n value is stored in the registry and allows you to specify different tasks for Disk Cleanup to run.

n can be any integer from 0 to 65535. Specify the %systemroot% drive to see all the available options.

/sagerun:n – Run task ‘n’

All drives in the computer will be enumerated, and the

selected profile will be run against each drive.

Only one of the 3 options above can be run at a time

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iPad iOS 4.2 has release to public

By David on November 23, 2010

Finally, iOS 4.2 for iPad has come to a live with the features of Multitasking, Folder, a unified inbox and wireless printing. With the new release of iOS 4.2 to iPad, more than 100 new features has added and make your iPad become a total fresh and new device.

ipad 4dot2 480 iPad iOS 4.2 has release to public

Many of the features in iOS 4.2 were already available for the latest versions of the iPhone and the iPod Touch but not for the iPad.

Apple said iPad users can now switch between applications instantly and run more than one at a time, playing a music program like Pandora, for example, while running another application.

Applications can now be organized into folders with a drag-and-drop feature.

Email features a unified inbox for users with more than one account while “Game Center” lets users of the iPad, iPhone and iPod Touch play against friends or other opponents and discover games that others are playing.

A new feature called “AirPlay” streams music, video and photos wirelessly from the iPad, iPhone and iPod Touch to a television set equipped with Apple TV, Apple’s TV set-top box.

“AirPrint” allows an iPad owner to wirelessly print documents or photos to AirPrint-enabled printers from US computer maker Hewlett-Packard.

Apple said Monday that 40,000 applications have been created for the iPad and 300,000 for the iPhone and iPod Touch.

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iOS 4.1 will be release soon at 8 Sept 2010

By David on September 7, 2010

According to foreign media reports, Apples United Kingdom and France site had release the news that the next generation iPhone / iPod touch firmware iOS 4.1 is expected to be three this week (Sept.

officially released.

iOS 4.1 is the first major update for the current iOS 4, it will add a series of new features, including high-definition video upload, HDR photos, game center. At the same time, the update is in order to repair iOS 4 loopholes, including the receiving sensor and Bluetooth and so on.

But up to this moment, the site show that the download of iOS4.1 still under comming soon and no one will know that will the release date will be change or not in the near future.

In addition, reminded the faithful present there is no escape machine for iOS 4.1 of the jailbreak tools, so please carefully consider the upgrade, and backup-related SHSH.