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Static private IP for linux ubuntu server

September 7, 2025
 |  No Comments
 |  information, linux, netplan, private_ip, router

I think the following works for operating systems that have netplan. You can make a private IP that is static in 2 ways: from the […]

Change the dynamic private IP in MAC to a static one

September 6, 2025
 |  No Comments
 |  information, macos, port, private_ip

Go to Wi-Fi Settings in Wi-Fi options Choose Wi-Fi in your WI-FI connection go to details In the search domain, enter: 8.8.8.8 and 8.8.4.4 in […]

DNS records: A and CNAME and SSH

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 |  dns-record, information, linux, macos, public_ip, server

Parking or URL redirects and DNS (A or CNAME) records serve similar purposes, but operate differently. Parking or URL redirects are used for web pages. […]

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 […]

communicate 2 PCs via public IP with TCP or UDP

May 23, 2025
 |  No Comments
 |  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 […]

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 […]

access a server via ssh

January 12, 2025
 |  No Comments
 |  linux, server, ssh

access a server and its port via ssh port is the port number that the SSH server is using (by default, port 22). Let’s say […]

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