Tech Talks by Asif

WiFi is a wireless networking technology using 2.4GHz ultra high frequency and 5GHz super high frequency radio bands. This technology is excessively used by smart devices and computers. So when in a particular area a lot of WiFi signal is generated it creates a channel overlapping. WiFi has 13 usable channels in 2.4GHz frequency range with 3 of them operating as main channels. These are channel 1, 6 & 11. Channel overlapping is not a big problem with 5GHz WiFi routers due to having 165 channels, of them 25 operating as main channels. So for today, we are going to discuss how to solve this problem of channel overlapping. WiFi 2.4Ghz Channels Now the methodology will be to find a comparatively non-congested channel and set your WiFi router to use that channel. Let's find and analyze WiFi channels first. Download following apps according to your operating system.  Android  - Windows Now start the app and observe which channel is not that much congested. Acrylic ...

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With the increasing use of computers in our day to day life, now it's becoming more like a save your job type of thing to be able to install and recover the operating system of your computer. I'll write about recovery process of operating systems installed in your computer in a later post. But for today, let's go ahead and learn to make a Bootable Windows OS Installation Media. Before beginning we need to know a few things about the computer, whether it's a 64-bit computer system or a 32-bit computer system. If you have a working PC, simplest way to check that is to go to your system properties by right clicking 'This PC' and selecting 'Properties'. In the system type you'll see your desired information. System Type If you don't have a working PC then based remember how much ram does it have. If your system has 4GB or more capacity of ram then you should install a 64-bit OS. Now if we say Windows Operating System we have to decide wh...

So you know how to create and host a local server but due to lack of a public IP address you can't expose your server to the internet? Read out today's post to acquire a public address to your server. 1. Go to ngrok signup  page, register and login. 2. Go to ngrok download page and download the tool for your operating system. 3. Extract and run the executable file as administrator. 4. Make sure your local server is hosted and working. 5. Now in the ngrok command line interface provide the authentication token. You can find it in the dashboard page. After logging in just head over to 'Connect your account' section. Finding Authtoken 6. Type the authtoken in the following manner. Authenticating ngrok CLI 7. Then type in "ngrok protocol port" and press enter. Here make sure to replace 'port' with the port of your local server. Port Forwarding Command 8. Now you will see a command line window like below. Observe the '...

Internet connectivity! It's becoming like a basic necessity these days. Outbreak of corona virus compelled us to sit at our home and lock ourselves. Could we do a day without internet? Yes, we could but not in a productive way. Statistics show that a large number of consumers are using WiFi routers to avail internet access from their devices. Question arises, Is your connection safe? Is there any intruder in your wireless network? How would you know? How can you prevent? Read more below to impose a better yet easy to configure security in your WiFi router! Type 192.168.0.1 or 192.168.1.1 into your browser and log into router admin panel. Default username and password is 'admin'. Please head over to user manual of your router to know the credentials if that doesn't work. 1. Change your password. Make sure it's not something which can be found in dictionary. You may try to mix special characters and uppercase-lowercase letters in your password which makes it qui...