Skip to content

  • Home

Category: port

How to tell if a port is open given an IP address in macOS

April 7, 2026
 |  No Comments
 |  command, information, internet, macos, port
the command is: hostname is a string as ‘www.google.com’ or ‘abcd’

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

February 22, 2026
 |  No Comments
 |  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 […]

map port xxxx of localhost to port yyyy of a server

February 21, 2026
 |  No Comments
 |  configuration, console, gradle, information, java, nexus, port, remote-access, spring-boot, web
create an SSH tunnel In my case, I have a server with “ubuntu server” and it doesn’t have a monitor, and I’m connected via SSH […]

create a STUN server in Linux Ubuntu

September 13, 2025
 |  No Comments
 |  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 […]

advice on what you can make

September 11, 2025
 |  No Comments
 |  information, port, server
If you have a PC connected to a router by an Ethernet cable or Wi-Fi you can do port forwarding You can purchase a DNS […]

Posts pagination

1 2 … 4 Next

Categories

Theme By SKT Minimal