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’
be able to ping one’s own PC/server (from internet) April 6, 2026 | No Comments | command, configuration, information, internet, linux, Linux Ubuntu Server, macos, server, windows By default, in the router’s “firewall” settings, option “Block Anonymous Internet Requests” is enabled and blocks ping You need to disable it and save it […]
Create an HTTP server in Python on port xxxx to access/download files from a folder April 4, 2026 | No Comments | command, configuration, http, information, internet, linux, Linux Ubuntu Server First you need to have Python or Python 3 installed, then you have the command ‘python3’ Setting up a fast HTTP server (The easiest way)Since […]
obtain public IPv4 and IPv6 March 30, 2026 | No Comments | 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, […]
Internet problems on Linux Ubuntu server March 29, 2026 | No Comments | ethernet, information, internet I installed Linux Ubuntu Server and connected the PC to the router with an Ethernet cable I tried many commands and none of them worked […]
