Simple free and open source generating QR code in your web page or blog with an API call

Hi folks,

Do you want to generate QR codes and display in your website or blog or for development.

You can call these API with the relevant data to get the QR code as an image format

1. https://chart.googleapis.com/chart?cht=qr&chl=Hello+PSR&choe=UTF-8&chs=200x200

    cht -> Chart Type = QR

    chl -> Chart Data = data

    choe -> Chart Encoding = UTF-8

    chs -> Chart Size = width x height

2. https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=SureshRajuPilli

    size = width x heigth

    data = text data which we want to place in QR code

3. https://www.qr-code-generator.com/qr-code-api/ with POST method

    

    Request Body    

{

    "frame_name": "bottom-frame",

    "qr_code_text": "https://www.qr-code-generator.com/",

    "image_format": "SVG",

    "frame_color": "#02bfff",

    "frame_text_color": "#ffffff",

    "frame_icon_name": "mobile",

    "frame_text": "Scan me",

    "marker_left_template": "version13",

    "marker_right_template": "version13",

    "marker_bottom_template": "version13"

    }

Please send your queries and feedback to psrdotcom@gmail.com

Free and discounted tools or software for Student Developers

Hi All,

Today I will share information of the tools which are free or less price for the student developers.

1. https://education.github.com/pack - Every student must subscribe to this
2. https://github.com/AchoArnold/discount-for-student-dev
3. https://github.com/ripienaar/free-for-dev
4. https://techcrunch.com/2019/08/20/github-adds-21-new-partners-to-its-free-student-developer-pack/
5. https://dzone.com/articles/20-pro-developer-tools-with-great-student-discount

Hope my links are useful for all the students.

And for the teachers also, the GitHub provides pack.

Please send your valuable feedback and comments to psrdotcom@gmail.com

Capture localhost (127.0.0.1) system packets using RawCap

Hi friends,

Today I am going to share the knowledge of capturing network packets in local system i.e. localhost.

Using RawCap utility, you can capture the loopback adapter packets which are our localhost packets.

Procedure

Download the RawCap.exe from Netresec website url
http://www.netresec.com/?page=RawCap
Once you download it
Open command prompt with administrator privileges
You have the following options while running the RawCap.exe

Syntax

RawCap.exe
-c <-> Stop capturing after the specified packet count reached
-f <-> Flush each packet without buffering
-s <-> Stop capturing after the specified time limit

Example 1:
RawCap.exe 127.0.0.1 dump.pcap
Note: Ctrl + C to stop the capturing

Example 2:
RawCap.exe -c 1000 127.0.0.1 dump.pcap
After 1000 packets, the capturing will stop

Please send your feedback and comments to psrdotcom@gmail.com

UDPCast, udp sender and udp receiver Sharing files over LAN/Wi-Fi

Hi admins,

Have you ever thought of sending files/folders to all your systems which are connected over LAN?
Have you ever thought of copying the entire partitions including OS to all your systems with same configuration which are connected over LAN in your lab?

You might be using some proprietary tools.

Let me share my knowledge of open source tools in Ubuntu to perform the job.

It is UDP Case with following operations

1. udp-sender
2. udp-receiver

Simple usage can be seen in References 2

References

https://www.udpcast.linux.lu/cmd.html
https://www.udpcast.linux.lu/cmdlinedoc.html

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