command – Page 7

be able to ping one’s own PC/server (from internet)

April 6, 2026

| 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 FTP 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 FTP server (The easiest way)Since […]

newgrp

April 2, 2026

| No Comments

| command, configuration, docker, information, linux, Linux Ubuntu Server, ssh, sudo

It allows you to update your permissions without having to log out When you install Docker and add your user to the group with sudo […]

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, […]

Talking to Google Gemini from a terminal in Linux/macOS

March 20, 2026

| 1 Comment

| ai, CLI, command, console, gemini, information

To run Gemini from the console or tty, you must install “google Gemini CLI” https://geminicli.com the command is: google gemini api key You need to […]