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Category: public_ip

redirect port and IP to another port and IP in macOS

April 8, 2026
 |  No Comments
 |  command, configuration, information, macos, public_ip, router
search for network interface in macOS or The name of a network interface through which you have wifi/ethernet internet can be called “en0” Install Socat […]

obtain public IPv4 and IPv6

March 30, 2026
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 |  command, information, internet, linux, Linux Ubuntu Server, public_ip
ipv4: ipv6: this last returns IPv6 if available, otherwise IPv4 prioritizes ipv6 over ipv4, but it returns ipv4 to me If IPv6 throws an error, […]

Access the Nexus Sonatype repository and a port from an external PC

February 22, 2026
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 |  gradle, information, port, public_ip, remote-access, router, spring-boot
Ubuntu usually has the firewall active. You need to allow traffic through port 8081: Configure Nexus to “listen” to everyone Sometimes Nexus is configured to […]

create a STUN server in Linux Ubuntu

September 13, 2025
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 |  console, information, java, macos, nc, netplan, P2P, port, public_ip, server
A PC cannot know its public IP on its own; it needs a third party, that is a STUN server, it’s like a mirror. This […]

create a web page with Python 3

September 9, 2025
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 |  information, linux, port, public_ip, python, router, web
located in the current directory where you have an .HTML file -m is to execute a python module http.server is a module for python3 51000 […]

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