Friday, June 26, 2026

Install fortinet on Ubuntu 20

Step 1:

wget -O - https://repo.fortinet.com/repo/forticlient/7.2/ubuntu/DEB-GPG-KEY | gpg --dearmor | sudo tee /usr/share/keyrings/repo.fortinet.com.gpg
 

Step 2:

sudo vi /etc/apt/sources.list.d/repo.fortinet.com.list

deb [arch=amd64] https://repo.fortinet.com/repo/6.4/ubuntu/ /bionic multiverse

Step 3:

sudo apt install forticlient 



ICMC VPN

[1] https://atendimentosti.usp.br/otrs/public.pl?Action=PublicFAQExplorer;CategoryID=12

clicar em Configure VPN e na janela de configuração New VPN Connection preencher somente os campos abaixo:

  • Connection Name = VPN USP
  • Remote Gatewayorion.uspnet.usp.br
  • marcar a opção Customize port = 31443
  • em Authentication marcar a opção Save login
  • em Username digitar o Número USP e clicar em Save
  • abrirá a tela de login e no campo Password digitar a senha única e clicar em Connect
  •  

 

 

Super Resolution topic

 

References:

[1] github https://iterative-refinement.github.io/


[2] Image Super-Resolution via Iterative Refinement https://arxiv.org/abs/2104.07636

 

 

Thursday, June 18, 2026

Movil Tracer

Claro - Perú

[1] https://cuenta.claro.com.pe/DirectorioAbonadosMovil/servlet/directorioAbonados

 

Tuesday, May 12, 2026

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


 

Friday, May 08, 2026

Latex editor tools

 

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

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

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

Sunday, May 03, 2026

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}")

Friday, May 01, 2026

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

Install fortinet on Ubuntu 20

Step 1: wget -O - https://repo.fortinet.com/repo/forticlient/7.2/ubuntu/DEB-GPG-KEY | gpg --dearmor | sudo tee /usr/share/keyrings/repo.fort...