Tag: command line Archive

About Setuid – SetGid – Sticky Bit

Published on August 11, 2022 at 2:34 am by LEW

Introduction

In a previous post we talked about ownership and file permissions. In this post we will discuss setuid (set user id) and setgid (set group id). Additionally we will talk about sticky bits. (more…)

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Minecraft Server Console Basic User Management

Published on January 16, 2022 at 7:39 am by LEW

Minecraft ImageIntroduction

What follows in are some console commands for managing users on the Debian 11 Minecraft build described in this series of posts.

There are console commands for both modifying and managing users. In this post we will be focused on the management aspect.

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Minecraft Server Console Basic World Management

Published on January 14, 2022 at 6:43 am by LEW

Minecraft ImageIntroduction

In a previous series of posts, we built a rather simple Debian Minecraft server. After the initial setup, you may find the random world that was created not to your liking for any number of reasons. A task you might want to perform at this point is to generate a new Minecraft world.

Since the server has no GUI, nor did we install any third party management software, this is a task that will need to be performed from the command line. So we will walk through the process, in this post, of saving an existing world, setting a seed for world creation, actually creating a new world, and if desired, deleting a world. (more…)

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Linux Command: echo

Published on December 12, 2021 at 7:03 am by LEW

Introduction

The echo command simply sends its arguments to stdout. This command, form my experience, has two common use cases for most average users. The first is sending output to the screen from a script. The second is displaying various environmental variables. (more…)

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Linux Public IP address – Console

Published on December 9, 2021 at 7:25 am by LEW

Introduction

This post will cover several ways to get your public IP address form the Linux console.

There are a few reasons you might want to do this. But for me the number one reason is updating my Dynamic Domain Name Service (DDNS) to point to the correct IP address. Part of my home network is my personal cloud server. Since my server sits behind my router and firewall, and it does not have a GUI, I needed to be able to get my public IP address to update my DDNS profile. (more…)

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