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 […]