Home » Author Archives: Julen Pardo

Author Archives: Julen Pardo

Julen Pardo
Julen holds his Bachelor's Degree in Computer Engineering from Mondragon Unibertsitatea, in Spain. He contributes to open source projects with plugins, and he also develops his own, open-source projects. Julen is continuously trying to learn and adopt Software Engineering principles and practices to build better, more secure, readable and maintainable software.

Linux Commands With Examples

Regardless the experience, every Linux user must has, at least, a basic knowledge about the terminal and its usage. This tutorial will explain and show with examples the most used and important commands, after a brief explanation of how the commands work. For this tutorial, Linux Mint 18 has been used. Table Of Contents 1. What are the commands? Where ...

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Linux Remove User Example

Dealing with users is a task that every systems administrator has to deal with frequently. This example will show you how to delete users in Linux, looking at the two different available commands: The default utility, userdel; and a script that acts as more friendly front-end for the default utility, which is named deluser. For this example, Linux Mint 18 ...

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Linux Change Hostname Example

The hostname are aliases or labels used to identify easily each device within a network. In Linux desktop versions, is the “computer name” that we are asked to specify during the installation. In this example, we can see how that hostname can be changed. For this example, Linux Mint 18 has been used. 1. What is a hostname? In a ...

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Linux Find Large Files Example

Having our disk tidy and free of garbage occupies space is something we all want to do, but many times we don’t pay attention at large files that are taking up a considerable amount of space that could be useful for something else. In this example, we will see how to look for large files, just to be aware of ...

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Linux Screen Command Tutorial

Screen is a window manager that allows to have several virtual terminals, several sessions and programs in text mode executing simultaneously in the same console. In this tutorial we will see how to use it. For this tutorial, Linux Mint 18 has been used. 1. Installation If you don’t have installed Screen, you can install it easily with apt-get: sudo ...

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Linux Create User Example

This example will show you how to create users in Linux, looking at the two different available commands: the default utility, useradd; and a script that acts as more friendly front-end for the default utility, which is named adduser. For this example, Linux Mint 17.03 has been used. 1. How users are organized The existing users of the system are ...

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Linux Add User to Group Example

In this tutorial we will see how to add users to groups in Linux, looking at the different possibilities (existing or non-existing users), and taking into account also the different types of groups users can belong to (primary and secondary groups). For this example, Linux Mint 17.03 has been used. 1. How groups are organized Linux defines the groups in ...

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Linux curl Example

cURL is an incredibly flexible and powerful tool data transferring tool, that supports a wide variety of protocols, being the HTTP (and HTTPS) the most used. cURL library is available for many programming languages, but in this example we will see how to use it from the command line. For this tutorial, Mint 17.3 has been used. 1. Installation cURL ...

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Linux chmod Example

One of the most critical jobs a system administrator has to continuously be dealing with is the permission administration. The most small carelessness with the permissions can lead to a security hole in the system. This example will show how are changed the permissions, a task for which chmod command is used For this example, Linux Mint 17.3 has been ...

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Linux IfConfig Tutorial

The network configuration is one of the first topics a system administrator gets involved with. For Linux, the command to configure this is ifconfig (contraction of interface and configuration), which allows to make almost any configuration in a network, as we will see in this tutorial. Basic knowledge about networking (what IP addresses are, their format, subnetting, etc.) is assumed ...

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