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Install Windows on a Mac (with macOS) and have both (macOS and Windows)

August 8, 2025
 |  No Comments
 |  information, iso, macos, windows
I currently use a Mac, but I wanted to play a video game for Windows on the same PC. I was making this post at […]

host on LAN access through the Internet

May 27, 2025
 |  No Comments
 |  information, linux, port, server, ssh
The following didn’t work for me but maybe it will help you, I hired the VPN and the dedicated IP through NordVPN. I have a […]

Connect to a host via SSH without entering the password

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 |  information, ssl, vim
generate a new ssh key if you don’t have one copy the content displayed with enter the host via SSH In the root there should […]

communicate 2 PCs via public IP with TCP or UDP

May 23, 2025
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 |  console, information, linux, macos, message, messaging, nc, package, port, protocol, public_ip, server
nc is a command-line tool called Netcat. It’s a very versatile network utility used to read and write data over network connections, using both the […]

communicate 2 PCs with P2P protocol

May 7, 2025
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 |  information, java, message, messaging, P2P, port, protocol, public_ip
One PC is a server, the other is a client, they communicate using the public IP IPv6. The example is implemented in Java Attention: The […]

Using Mosquitto, implementing the MQTT protocol

May 6, 2025
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 |  message, messaging, package, protocol
MQTT is generally faster than AMQP due to its lightweight design and focus on publish/subscribe messaging. In general, MQTT can be faster than TCP in […]

scan a port on the router device, that is, internal, private ip

May 4, 2025
 |  No Comments
 |  information, nmap, port, public_ip
example In this case the port 15000 on the IP 181.44.129.209 is being filtered open port example: is in open state, which means there is […]

Send a message via TCP with NC between two PCs connected to a LAN

May 3, 2025
 |  No Comments
 |  console, information, linux, macos, message, nc, server
obtain the private IP of said computer A PC sends a message via FTP to a private IP and port. The PC to which the […]

Scan an external library in Java Spring Boot

April 20, 2025
 |  No Comments
 |  information, maven, spring-boot
It is neat to have configuration classes in a /config folder, located at the same level as the main class: note that the packages: and […]

Testing a Java-injected Springboot service

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 |  information, java, package, spring-boot
You must have the following dependencies, Junit is included, do not add it. you must write down the main class: you must write down the […]

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