Capítulo 5: Usando Operadores Aritméticos en Bash

En este capítulo, aprenderás a utilizar los operadores de bash para realizar varios cálculos aritméticos.

How To Setup Qt SDK on Ubuntu Kubuntu 22.04 Jammy Jellyfish

Qt Software Development Kit is a free software licensed, world-class grade full-featured programming framework and tools to create cross-platform graphical user interface applications in C++ language. Examples of great software built using Qt include K…

How to Install Tomcat 10 on Ubuntu 22.04

Apache Tomcat is an open-source web server and Java servlet container. Learn how to install and configure it on Ubuntu 22.04.
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How to Install osTicket with Nginx on Debian 11

osTicket is a free and open-source support ticket system used to scale and streamline your customer service and improve your customer experience. This tutorial will show you how to install osTicket on Debian 11.

How to Block Package and Kernel Updates in Debian / Ubuntu

This tutorial will cover how to block certain packages from being installed or upgraded and how to block specific versions of packages or kernels from being installed. We will discuss two methods here. The first method will block all installs and upgra…

How to Install PostgreSQL 15 on Rocky Linux 9

PostgreSQL is a free and open-source database management system focusing on extensibility and SQL compliance. This tutorial will guide you through installing the latest PostgreSQL 15 on a Rocky Linux 9 server. This also guides you through the basic usa…

How to configure Linux Mint for internet connection sharing

We’ll show you how to activate internet connection sharing on Linux Mint so you may share your Mint’s internet connection with other connected devices on your network. We’ll also teach you how to set up a Wi-Fi hotspot to share an internet connection w…

OBS Studio 29.0 Releases With Media Key Support on Linux, New Filters

OBS Studio 29.0 introduces support for media keys on Linux, a 3-band equalizer filter, an upward compressor filter, and more.
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Ventoy 1.0.87 Brings Support for Lenovo Product Recovery, Dell PER ISOs

The new Ventoy release brings support for the Lenovo Product Recovery ISO file as well as the Dell Platform Specific Bootable ISO file. Learn more here.
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Linux SLUB Allocator Internals and Debugging – KASan, Part 3 of 4

Third article in a series on Linux SLUB
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Linux Kernel 4.9 Reaches End of Life After 6 Years of Support

With support for Linux kernel 4.9 ending January 2024, users are urged to upgrade to Linux kernel 4.14 LTS — but Linux kernel 6.1 is better.
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OpenMandriva ROME 23.01: A New Rolling Release Edition

A new rolling release-based edition, OpenMandriva “ROME” 23.01 debuts with KDE Plasma, GNOME desktop flavours, and some cool apps.
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Why you should use SPDX for security

By Phil Odence Software Package Data Exchange® (SPDX®) is a standard format for describing a software bill of materials that supports a range of use cases, not least SBOMs to manage security vulnerabilities.  SPDX has been an open project under the auspices of the Linux Foundation for over a decade, all the time with the […]

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Ubuntu Kernel Security Updates: More Than 20 Vulnerabilities Patched

In this latest update, several security vulnerabilities have been patched. Users are urged to install the latest kernel versions as soon as possible.
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Linux file permissions explained

Understanding Linux file permissions (how to find them, read them, and change them) is an important part of maintaining and securing your systems.
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How to Run a Linux Command Without Keeping It in History

Learn how to prevent a command from being saved in history and how to remove a command that has already been saved.
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Protect Linux VoIP Servers With APIBan

APIBAN prevents unwanted SIP traffic by identifying addresses of known bad actors before they attack your system. Learn more here.
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How To Write Javanese Script Hanacaraka on Ubuntu Computer

This tutorial will help you writing one of Indonesian traditional scripts, Javanese, also known as Aksara Jawa (ꦲꦏ꧀ꦱꦫꦗꦮ) or Hanacaraka (ꦲꦤꦕꦫꦏ), on Ubuntu computer. This is the real Javanese language spoken by Javanese people in Java island and not a pr…

GPU-Viewer 2.0: An Ultimate Linux GUI for GPU Information

The latest GPU-Viewer 2.0 comes with GTK 4.0 support and minor UI enhancement. Learn more abou this GUI app here.
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Case Sensitive Lookup in LibreOffice With Examples

This guide offers examples and explanations on how to perform case sensitive lookup in LibreOffice Calc spreadsheet program.
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