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Open a port on the router

September 3, 2025
 |  No Comments
 |  linux, macos, nc, port, server, ssh
I have 3 ISPs(Internet service provider). I’m from Argentina One of them is TELECENTRO. The other 2 are different PERSONAL (is an ISP from here) […]

host on LAN access through the Internet

May 27, 2025
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 |  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 […]

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 […]

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

May 3, 2025
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 |  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 […]

Make a ‘Hola Mundo’ on a bare metal PC from a USB stick

March 2, 2025
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 |  assembler, information, linux, server
‘hola mundo’ means ‘hello world’ in Spanish. “Bare Metal” is a machine that offers direct access to the hardware, without any abstraction or virtualization layer. […]

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