OS Emulation on Ubuntu 20

 

 

sudo apt update && sudo apt install qemu-system-x86

 

# Create a 1GB disk image 

qemu-img create -f qcow2 win95.qcow2 1G

qemu-img create -f qcow2 win95.qcow2 500M #500MB

 # Run

qemu-system-i386 -m 64 -cpu pentium \ -drive file=win95.qcow2,format=qcow2 \ -net nic,model=pcnet -net user \ -soundhw sb16 \ -vga cirrus \ -cdrom /path/to/windows95.iso \ -boot d

#My command

$ qemu-system-i386 -m 64 -cpu pentium -drive file=win95.qcow2,format=qcow2,index=0,media=disk -drive file=./isos/W95_FULL_AR.iso,index=1,media=cdrom -fda ./isos/Windows95a.img -boot c -vga cirrus

 

 

Resources:

https://archive.org/  #Locate isos

 

Local PDF editor

 

 

[1] https://github.com/PDFCraftTool/pdfcraft

Latex editor tools

 

[tex to image] https://www.bruot.org/tex2img/

https://latexeditor.lagrida.com/  #offline 

[eq image to tex] https://latexconvert.com/

Image Flip to use on nemo

 

code in python for flip horizontal images:

from PIL import Image
import os
import sys

def flip_horizontal(input_path):
    # Split filename and extension
    base, ext = os.path.splitext(input_path)
    
    # Create output filename
    output_path = f"{base}_flipped{ext}"
    
    # Open image
    with Image.open(input_path) as img:
        # Flip horizontally
        flipped = img.transpose(Image.FLIP_LEFT_RIGHT)
        
        # Save result
        flipped.save(output_path)
    
    return output_path


# Example usage
if __name__ == "__main__":
    
    if len(sys.argv) < 2:
        print("No input files provided.")
        sys.exit(1)

    for input_image in sys.argv[1:]:
        try:
            output_image = flip_horizontal(input_image)
            print(f"Saved: {output_image}")
        except Exception as e:
            print(f"Error processing {input_image}: {e}")

Mobile development tools

Mobile development is the process of creating software applications for smartphones, tablets, and other mobile devices, primarily focusing on the Android and iOS platforms.

[1] https://flutter.dev/development/mobile  #framework/compiler for make apk

[2] https://dartpad.dev/  #preview code

Alternative pdf books

 

https://welib.org

https://annas-archive.gl

https://z-lib.gd/

3D blender resources

Step by step https://cgian.com/category/blender/