How to Install Hadoop on Windows 10

Install Hadoop on Windows 10: Hadoop is a framework based on the Java programming language and open source. This Hadoop is useful for processing a number of data distribution using the data storage capability that is also distributed.

Hadoop can store any amount of data and can process it using the MapReduce programming model. Hadoop has also been designed to be able to overcome a problem resulting from the failure of a hardware function that can prevent loss of work processes and some data.

How to Install Hadoop on Windows 10
How to Install Hadoop on Windows 10

Hadoop will cut data to be distributed to each node in a cluster so that later it will be processed in a parallel or local manner on each node that are interrelated.

How to Install Hadoop on Windows 10

Hadoop is often used to handle a number of BigData processes. In this article, you will learn how to Install Hadoop on Windows 10. However, before that you have to download the components that will be used later when installing Hadoop on Windows 10.

Here are the components that you must download first before installing Hadoop on Windows 10.

  1. Download and install the JDK or the Java Development Kit first. You can download it at the following link: https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
  2. Download Apache Hadoop at the following link: https://www.apache.org/dyn/closer.cgi/hadoop/common/hadoop-2.9.2/hadoop-2.9.2.tar.gz
  3. Download the Hadoop Patch File for Windows operating systems at the following link: https://github.com/wmwijaya/hadoop2-standalone-windows7-windows10

Well, if you have downloaded several files above, then you can do the steps or how to install Hadoop in Windows 10 as described below.

  1. Download the Apache Hadoop file on the link above, then extract the file. Go to the bin folder and select the folder location.
  2. Open the control panel menu > System and Security> System> Advanced system settings . The System Properties box will appear and click Environment Variables.
  3. After that in the Variables, the user clicks the New button and enter the name Variable JAVA_HOME and paste the bin folder location link earlier in the variable value. Then click OK.
  4. Next to System Variables, look for the Path variable and click Edit. Click the New button and paste the bin folder location link. After that click OK.
  5. Enter the etc folder and then enter the hadoop folder. Open the core-site.xml, hadoop-env.cmd, hdfs-site.xml, yarn-site.xml, mapred-site.xml files using notepad or notepad ++.
  6. In the core-site.xml file write the script shown in the red box below. After that click the Save button.
  7. In the mapred-site.xml file write the script shown in the red box below. After that click the Save button.
  8. In the yarn-site.xml file write the script shown in the red box below. After that click the Save button.
  9. In the hadoop folder, create a new folder called datanode and namenode . After that, copy the link location of the two folders.
  10. Back again to Notepad ++. Open the hdfs-site.xml file and write the script as shown below. And remember, in the value tags Namenode and Datanode, fill with the link location of the Namenode and Datanode folder.
  11. In the hadoop-env.cmd file, change% JAVA_HOME% to the JDK folder location link.
  12. Reopen Environment Variables, and in the use variables click the New button. After that, type variable name HADOOP_HOME and fill in the variable value with the bin folder link in the hadoop folder. Then click OK.
  13. In System Valiables click Path and click the Edit button. After that click the New button and paste the bin folder link.
  14. Click New again and paste the sbin folder link inside the hadoop folder. After that click OK.
  15. Extract the hadoop patch file that you previously downloaded and then enter the bin menu. Copy the entire contents of the bin difolder file in the hadoop patch file and paste it into the bin folder in the hadoop file. Previously, delete all files in the bin folder in the hadoop folder. Well, then the contents of the bin folder in the hadoop file will be filled with files in the bin folder belonging to the hadoop patch file.
  16. Open the Command prompt and type the command hdfs namenode-format. then look at the results, Startup_msg will display the Starting NameNode.
  17. Then you enter the hadoop folder and then enter the sbin folder again in CMD. After that, type start-all.cmd. Then the result will be like this.

Thus the article that explains about how to install Hadoop on Windows 10. Hopefully, this article can give you benefits.

How to Stream Live TV from an Xbox One to a Windows PC, iPhone, or Android phone

Set up TV integration on your Xbox One, and you can not only watch TV on your Xbox. You can also stream live TV from your Xbox to a Windows 10 PC, Windows Phone, iPhone, iPad, or Android device over your home network.

How to Stream Live TV from an Xbox One to a Windows PC, iPhone, or Android phone
How to Stream Live TV from an Xbox One to a Windows PC, iPhone, or Android phone

There are two options: First, this feature only works over your home network, so you can’t stream TV shows over the Internet. Secondly, this only works with wireless television, so you cannot stream live television from a cable or satellite box.

Windows 10 Xbox to PC streaming initially offered this feature but was quickly removed. There are likely to be concerned about copyright and licensing.

How to Stream Live TV to a Windows 10 PC

Use the Xbox app on Windows 10 to stream live TV to your PC, just like you would do to stream Xbox One games to your PC.

To do this, open the Xbox app on your Windows PC. Click the Connect icon in the lower-left corner of the window and connect to your Xbox One if you’re not already connected. Your PC should search your local network for your Xbox One and find it quickly.

Click the Stream icon at the top of this section to start streaming from your Xbox One. If you are already watching TV on your Xbox One, the TV stream will start playing on your computer immediately. You can use the controls at the top of the window to control playback and switch between windows, as you normally do with other Windows applications.

If your Xbox One isn’t playing a TV yet, you can use an Xbox One controller connected to your PC to launch the OneGuide app, which allows you to watch TV. This Xbox One controller lets you switch channels and control playback just like on a TV.

How to stream a TV to an iPhone, iPad or Android phone

You can also use the Xbox One SmartGlass app to stream TV streams to a mobile device (iPhone, iPad, Android phone, or even Windows Phone). Install the app in the Apple App Store, on Google Play or in the Windows Phone Store (depending on the device used).

Open the Xbox One SmartGlass app on your device and sign in with your Microsoft account. After you do this, your device will recognize the Xbox One console on your current network. Select your Xbox One and connect.

To watch TV, simply tap on the “TV” tile in the SmartGlass app. You can then tap “Watch TV” on your device and watch TV, switch channels, pause, rewind, and fast-watch live TV

When you turn on your Xbox One, it will continue to play live TV on your TV and will also stream it to your phone. So you can watch the same TV stream in several places.

You can also use the Xbox One SmartGlass app as a remote control. Open the OneGuide area in the app. You can see what is playing and switch between the channels of your TV.

How to Set Overscan on SHIELD Android TV

If you have an older TV and an NVIDIA SHIELD Android TV, you may find that some content is cut off at the edges. This is known as overscan and can be incredibly annoying in a number of situations, with one of SHIELD’s key features not being excluded: gaming. Fortunately, it’s an easy fix.

How to Set Overscan on SHIELD Android TV
How to Set Overscan on SHIELD Android TV

As already mentioned, overscan is a remnant of old-school CRT (old-timer cathode ray tube) televisions that cut off the outer part of the image to ensure that black televisions do not appear on old televisions. However, if you have a modern HDTV, it just means that you don’t see the full picture – and the quality you see is slightly lower.

Many modern televisions have built-in options to set or completely disable overscan. However, if your set-top box is switched on, you must also deactivate it there. Fortunately, NVIDIA made an overscan adjustment in the SHIELD Android TV box. So you can access it.

Set Overscan on SHIELD Android TV

OK, now that we’ve talked about why, let’s consider how we can fix that. The first thing you should do is jump into the SHIELD settings menu by going to the bottom of the home screen and selecting the gear icon.

Go to the fifth entry “HDMI” in the settings.

The fourth option is “Customize for overscan” in the menu. Exactly what you are looking for. Go ahead and choose that.

This is just a basic movement of the arrows until you can see everything. Just follow the on-screen instructions to get all four arrows in the right place.

If everything looks good, you can leave this menu. The new settings are retained immediately and you are done.

Overscan can be incredibly frustrating, especially if your TV doesn’t have a built-in adjustment setting. Even if this is not included in the standard Android TV, it is nice to see that NVIDIA takes such things into account.

How to Remove Webalta from the Registry

In this little guide, you will learn how to Remove Webalta from the Registry. For its promotion, the Russian search engine Webalta does not use the most “unobtrusive” methods, and therefore the question of how to get rid of this search engine as a starting point and remove other signs of Webalta on your computer is quite relevant.

How to Remove Webalta from the Registry
How to Remove Webalta from the Registry

Remove Webalta from the Registry

First of all, you should clear the registry of all entries created thereby Webalta.

To do this, click “Start” – “Run” (or press Windows + R), type “regedit” and click “OK”. As a result of this action, the registry editor will start.

In the Registry Editor menu, select “Edit” – “Find”, in the search box, enter “webalta” and click “Find Next”.

After a while, when the search is complete, you will see a list of all registry settings where we found webalta mentions. You can safely delete them all by right-clicking on them and selecting “Delete”.

Just in case, after you have deleted all the values ​​listed in the Webalta registry to start the search again – it is possible that there will be more findings.

This is only the first stage. Despite the fact that we have deleted all data about Webalta from the registry, when you start the browser as a home page, you will still most likely see start.webalta.ru (home.webalta.ru).

Webalta start page – How to clean

To remove the Webalta homepage in browsers, follow these steps:

  1. Remove the launch of the Webalta page in your browser shortcut. To do this, right-click on the shortcut you normally use to start the Internet browser and select “Properties” from the context menu. On the “Object” tab, you will most likely see something like ” C: Program Files Mozilla Firefox Firefox. Exe” // start. webalta. ru. Obviously, if the mention of webalta is present, then this parameter must be deleted. After deleting “//start.webalta.ru”, click “Apply”.
  2. Change the start page in the browser itself. In all browsers, this is done in the basic settings menu. It doesn’t matter if you use Google Chrome, Mozilla Firefox, Yandex Browser, Opera or something else.
  3. If you have Mozilla Firefox, you also need to find user filesjs and prefs. js (You can use a computer search). Open the found files in Notepad and find the line that launches webalta as the browser start page. The string can look like user_pref (“browser.startup.homepage”, “//webalta.ru”). Delete the webalta address. You can replace it with the address of Yandex, Google, or another page at your discretion.

Another step: go to the “Control Panel” – “Add or Remove Programs” (or “Programs and Tools”), and see if there is any Webalta program. If it is available there, then remove it from your computer.

This is the end of it, if all the steps have been done carefully, we have managed to get rid of Webalta.

How to remove Webalta in Windows 8

For Windows 8, all the steps to remove Webalta from your computer and change the start page to the desired one will be similar to those described above. However, some users may have a problem with where to look for shortcuts – because when you right-click on a shortcut in the taskbar or on the home screen, no properties can be found.

Shortcuts to the Windows 8 home screen to remove webalta should be found in the % Appdata% Microsoft windows folder Start Menu Programs

Shortcuts from the taskbar: C: Users UserName AppData Roaming Microsoft Internet Explorer Quick Launch User Pinned TaskBar

Windows 10 Network Sniffer Application

Network Sniffer or Packet Sniffer is an application that can monitor network activities that run on devices at the level of each packet, for some people, especially network engineers and security researchers, the application is very useful for analyzing what is running on the network, seeing the type programs that are being used on the network, and even see network communications sent through clear text.

Windows 10 Network Sniffer Application
Windows 10 Network Sniffer Application

Windows 10 Network Sniffer Application

Generally, network engineers and security researchers usually use Wireshark, a popular Packet Sniffer application that has been available for a long time. But did you know that Windows 10 itself actually has a similar application?

Starting Windows 10 October 2018, or Windows 10 1809, Microsoft secretly added a new network diagnostic tool and a packet sniffer program called ‘pktmon’, this application is in the  C: \ Windows \ system32 \ pktmon.exe directories.

Based on its description, the application has a description of “Internal packet propagation and packet drop report monitors” which shows the application is designed to diagnose network problems.

Quoted from Bleeping Computer, this application is not mentioned on the Microsoft site, and to use it users must explore, learn and continue to test directly in the application.

How to access it?

To open this ‘pktmon’, users can use the Command Prompt or Powershell, simply by entering the command ‘pktmon’ without quotes then you can immediately access it.

What is quite helpful is that this tool also provides a help command that can help users learn about this network sniffer tool.

Improved in Windows 10 2004

Windows 10 2004 will be released in the coming weeks, and besides bringing major features that can be seen directly, this hidden packet sniffer tool has also been updated with Real-time monitoring support, and pcapng support, namely the ability to convert ETL files to pcapng format.

To access ‘pktmon’ realtime scanning, users can add the argument – l real-time at the end of the command. For example, here I will retrieve data and monitoring on the network that I am currently using.

I use the command pktmon start -etw -p 0 -c 13 – l real-time, where the -p 0 argument is used to capture the entire packet, the -c 13 argument is the id of the network device (Realtek Ethernet) that I use (you can see it via the command comp pktmon list ), and the -l real-time argument to view and display packages in real-time because by chance I have also used Windows 10 2004.

pktmon start -etw -p 0 -c 13 - l real-time
pktmon start -etw -p 0 -c 13 – l real-time

When viewed, we will be confused with the results displayed except for those who are truly experts in network research, and with the support of PCAPNG which began to be present in Windows 10 2004, we can translate these confusing results so that later we can see and identify network communications in a better way.

For example, to save the results of the scanning process above, we can use the command pktmon format PktMon.etl -o namafileftp.txt, but even so, to read it is still quite difficult and confusing because only a summary of the network traffic is intended.

To open it up more clearly, we can use the command pktmon pcapng PktMon.etl -d to do the conversion from ETL file to pcapng.

Windows 10 Network Sniffer Application
Windows 10 Network Sniffer Application

Then after pktmon has been converted to PCAPng, we can see it more clearly using Wireshark or Microsoft Network Monitor which can be downloaded on the following pageHere is an example.

Windows 10 Network Sniffer Application
Windows 10 Network Sniffer Application

The benefits of this hidden network sniffer?

For normal users like us, it might not be too useful, but for the Advanced Network Engineer and Security Researcher, of course, this tool is very useful to support their work needs.

Once again, because this hidden Network Sniffer is still mysterious and there isn’t even a full explanation on the Microsoft site, be it the Network Engineer, or the Security Researcher must go the extra mile and spend a little time studying the tool.

Change the Time Format to 24 hours in Windows 10

Change the Time Format: As with its predecessors, Windows 10 also shows the date and time on the right side of the taskbar. By default, the watch shows the time in 12-hour format, which many people don’t like to see for their own reasons.

Change the Time Format to 24 hours in Windows 10
Change the Time Format to 24 hours in Windows 10

If you want to display the time in 24-hour format, you can set the time so that the time is displayed in 24-hour format. The new Settings app does not offer a way to switch between 12 and 24-hour formats. We have to use the classic control panel to make these changes.

Change the time format to 24 hours in Windows 10

How to change system tray time in Windows 10 to 24-hour format.

Step 1: Open the Control Panel. Change the view to small icons.

Step 2: Click the Region link to open the Region dialog. Here, on the Formats tab, click the More Settings button.

Step 3: Switch to the Time tab. In the Time formats section, replace the “h” fields in a short time and a long time in “H” to switch to the 24-hour format.

Since you have switched to the 24-hour format, you no longer need AM and PM in addition to the time. To remove AM and PM, remove “tt” from the Short Term and Long Term fields.

Click on the button Apply to the new 24-hour activity display.

Thus, you can Change the Time Format to 24 hours in Windows 10. If you have any issues, comment us in the comment box.
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How to Schedule Scan in Windows Defender in Windows 10

Schedule Scan in Windows Defender: Windows Defender is the standard antivirus program on Windows 10. Windows Defender in Windows 10 helps you protect your PC from viruses, malware, and spyware.

How to Schedule Scan in Windows Defender in Windows 10
How to Schedule Scan in Windows Defender in Windows 10

The Defender runs in real-time to provide the best possible protection. You can also do a full or file/folder scan if you want. The latest version of the Defender also supports offline verification. This means that you can now run Windows Defender without starting Windows 10 to find and remove viruses, malware, and other threats.

For some reason, there is no option to schedule a scan in the Windows Defender program on Windows 10. This can be useful if you want to scan your PC when it is idle or if you want to scan your PC at a specific time. You can also schedule Windows Defender to schedule your PC scan even if you log out or log out.

Although Windows Defender regularly scans your PC in the background when your PC is idle, many of you may want to schedule the Windows Defender scan at your own time.

Fortunately, you can use the Task Scheduler feature in Windows 10 to schedule the Windows Defender scan in Windows 10.

How to Schedule Scan in Windows Defender in Windows 10

Follow the instructions below to schedule Windows Defender to scan at the time and frequency you want.

Step 1: Open the Task Scheduler. This can be done by entering the task planner in the start field/taskbar search field and then pressing the enter key.

Step 2: Double-click Task Scheduler Library in the left pane of Task Scheduler to expand it.

Step 3: Double-click Microsoft in the left pane to expand it and display Windows and other entries.

Step 4: Double-click the Windows entry and scroll down to view the Windows Defender entry.

Step 5: Select Windows Defender. In the upper middle area, Windows Defender Scheduler Scan should now be displayed next to other tasks.

Note that these entries may not appear if Windows Defender is disabled. So if the Windows Defender Scheduler Scan task does not appear, check if the Defender is enabled.

Step 6: Click the right mouse button on the planned Windows Defender scan task, and then click Properties (Computer Local) to open the dialog box Windows Defender Scheduled Scan properties.

Step 7: Switch to the Trigger tab by clicking the same button.

Step 8: Click the New button here.

Step 9: Determine when to start scanning, how often to schedule the scan, and when to run the scan. You can also schedule a scan for a specific date and time, every day, or for any number of days.

As you can see in the figure above, you can lock the task when logging on, at startup, when the PC is idle, during an event when creating/changing tasks, when connecting/disconnecting from/to the user session and when planning on the workstation or unlock.

Then click the OK button. That’s it!

Thus, you can Schedule Scan in Windows Defender in Windows 10. If you have any issues, comment in the comment box.

How to Add an Exception to Windows 10 Defender

Windows 10 Defender’s built-in Windows 10 antivirus is generally a great and useful feature, but in some cases it can prevent you from running the programs you trust, but it doesn’t. One solution is to disable Windows Defender, but adding exceptions to it may be a better option.

How to Add an Exception to Windows 10 Defender
How to Add an Exception to Windows 10 Defender

This guide details how to add a file or folder to the Windows 10 Defender antivirus exceptions so that you don’t accidentally delete it or run it later.

Note: Instructions for use are provided for Windows 10 version 1703 Creators Update. For earlier versions, you can find similar settings in Settings – Update and Security – Windows Defender.

Windows 10 Defender Exception Options

Windows Defender settings in the latest version of the system can be found in the Windows Defender Security Center.

To open it, you can right-click on the defender icon in the notification area (next to the clock at the bottom right) and select “Open”, or go to Settings – Update and Security – Windows Defender and click “Open Windows Defender Security Center”.

The next steps to add exceptions to the antivirus will look like this:

  1. In the Security Center, open the Virus and Threat Protection Settings page and click “Virus and Other Threat Protection Settings.”
  2. At the bottom of the next page, in the “Exceptions” section, click “Add or remove exceptions.”
  3. Click “Add Exception” and select the exception type – File, Folder, File Type, or Process.
  4. Specify the path to the item and click “Open”.
  5. Upon completion, the folder or file will be added to the Windows 10 Defender exception and will no longer be scanned for viruses or other threats.

My recommendation is to create a separate folder for those programs that in your experience are safe, but are removed by Windows Defender, add it to the exception and then download all such programs to this folder and run from there.

However, do not forget to be careful and, if in doubt, I recommend checking your file on Virustotal, it may not be as secure as you think.

Note: To remove an exception from Defender, go back to the same settings page where you added the exception, click the arrow to the right of the folder or file, and click Delete.

Google Lens | Convert Handwritten Notes to Text

Google Lens app for Android can convert a handwritten note into text for use on the PC. Check out how to do it! The Google Lens is a very useful application for mobile phones providing information using an image captured with the camera, being able even to translate texts. 

In turn, this week, Google released yet another interesting function for him, which should help people with many documents or notes made on paper.

How to Convert Handwritten Notes to Text with Google Lens
How to Convert Handwritten Notes to Text with Google Lens

Convert Handwritten Notes to Text with Google Lens

The new feature in question allows you to convert the content of a document or handwritten notes to text, which can be sent directly to a text editor on your computer with the help of Chrome. Next, see how to convert handwritten notes to text with Google Lens.

Despite having applications for Android and iOS (iPhone system), this new feature of Google Lens is only available for the Android system. Google has not yet said whether this new feature will be made available in its application for the Apple system.

How to convert notes to text and send them to the PC

The process for converting a note made to text is quite simple, but the application may have some flaws when it comes to detecting some words. Check out:

1. Open Chrome on your computer and activate the sync function with your Google account, which must be the same used on your phone;

2. Access Google Play and download the Google Lens app. If you have already installed it, check if it is updated to its latest version;

3. Open the application normally and select the “Text” option. If you are using the application for the first time, you may need to grant permission for it to access your camera;

4. Point the phone’s camera at the desired text and, when it is selected, tap the button to take a photo;

5. In the window that appears at the bottom of the screen, tap on “Select all” and use the option “Copy to computer”. If you want to use the text-only on your cell phone, just tap on “Copy text”;

6. If you use Chrome on more than one PC, it is worth noting that it will be necessary to select the correct computer from the list displayed by the application for the text to be sent to your clipboard.

From this moment on, in your favorite application or service, the converted text can already be pasted and even edited, if necessary. In the image below, check out the text that we converted using Google Docs on a PC.

Ready! You now know how to use Google Lens to convert handwritten notes to text, which can be copied to your computer.