Showing headlines posted by linuxer

When it comes to managing variables in Bash, appending values to an existing variable is a common task. This article will provide a straightforward example of how to append to a variable within a Bash script, which can be extremely useful for various scripting scenarios.

Google Chrome is one of the most popular web browsers, known for its speed, reliability, and extensive ecosystem of extensions. In this guide, we will walk you through the detailed steps to install Google Chrome on Linux Mint, ensuring you have access to all its features and functionality.

Bash scripting is a powerful way to automate tasks in Unix-like operating systems. One of the most common tasks is redirecting output to a file. In this article, we will provide a comprehensive example of a Bash script that outputs data to a file, along with explanations and instructions on how to use it effectively.

In today’s tech-driven world, conserving power on our devices is more important than ever. If you’re often away from your computer and want to automate putting it into a suspended state, then a simple Bash script can help. This Sleep Timer Bash Script allows users to set a timer in minutes, after which the system will suspend, saving energy and resources.

Writing Bash scripts can significantly enhance your productivity, especially when performing repetitive tasks. This article provides a step-by-step guide on creating a Bash script that features a built-in help menu and usage examples, making it user-friendly for both beginners and advanced users.

In Bash scripting, creating multiline comments can help enhance the readability and organization of your code. This is particularly useful when you want to comment on a block of code without using repetitive single-line comments. In this article, we will explore how to create multiline comments within a Bash script, along with a practical example.

Bash scripting plays an integral role in Linux system administration, serving as a powerful tool for automating tasks, managing systems efficiently, and streamlining repetitive processes. Administrators who master Bash scripting can significantly enhance their productivity and reduce manual workload. Here's why Bash scripting is indispensable for Linux system administration.

Creating a simple Rock-Paper-Scissors game using a Bash script can be an exciting way to practice your scripting skills. This game not only provides entertainment but also allows you to get familiar with basic Bash programming concepts. In this article, we’ll take you through the essential prerequisites, the script itself, and how to run it effectively.

Safari, a popular web browser developed by Apple, is designed primarily for macOS and iOS devices. However, Linux users may want to experience Safari for testing purposes or simply out of curiosity. While Safari is not officially available for Linux, it can still be installed using tools like PlayOnLinux and Wine. This guide walks you through the steps to install Safari on your Linux system.

In the world of automation and scripting, the ability to manage background processes is crucial for effective task execution. This tutorial will guide you through the process of creating a Bash script that starts a background task and efficiently waits for it to finish before proceeding with further commands. By leveraging the process ID (PID) of the background job and the wait command, you can ensure controlled execution flow and resource management.

In the world of Linux and system administration, maintaining persistent connections is often crucial for managing remote servers. The Keep Alive mechanism serves as a vital tool to prevent disconnection from idle sessions, especially in SSH connections. This article will provide you with a straightforward Bash script example that keeps your session alive, ensuring you can manage your tasks without interruptions.

In today’s interconnected world, knowing the active devices on your network can be essential for various administrative tasks and security measures. One efficient way to scan for alive hosts is by using a Bash script that pings every IP address within a specified subnet. This article will guide you through writing such a script, starting from the prerequisites to executing it on your machine.

In the world of programming and scripting, managing files securely is crucial. If you’re using Bash for your scripts, you might need to implement file locking to prevent multiple processes from accessing the same file simultaneously. This article will guide you through creating a Bash script that demonstrates how to lock a file effectively.

John the Ripper is one of the most powerful password cracking tools available on Linux systems. It remains so popular because it is relatively simple to use, it supports many different types of password hashes, and will brute force almost any type of password.

Bash scripting is an essential skill for anyone looking to automate tasks in a Linux environment. One of the powerful features of Bash scripts is the use of positional arguments, which allows you to pass data directly to your scripts from the command line. This article will guide you through the basics of using positional arguments, specifically focusing on how to utilize variables like $1, $2, and beyond, to enhance your scripting capabilities.

Learn how to implement a Bubble Sort algorithm using Bash scripting. Bubble Sort is a simple sorting technique that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order. This article provides a complete example, including a script, sample data, and an explanation of the logic.

Learn how to simulate the goto functionality in Bash scripts using label-based navigation. This approach leverages structured techniques like case statements to replicate the behavior of jumping between labels, offering a cleaner and more maintainable alternative to traditional goto logic.

Flags in Bash scripts are crucial for modifying the behavior of scripts without needing to pass lengthy arguments. Particularly, flags without arguments provide a simple way to enable or disable features in your scripts, often making your scripts more user-friendly and easier to use.

The GRUB boot loader plays a critical role in booting Linux systems, serving as the first program executed when the computer starts. Securing GRUB with a password can prevent unauthorized users from tampering with boot parameters or gaining root access to the system. This is especially important for systems that require heightened security.

Unlike COW filesystems like BTRFS and ZFS, traditional Linux filesystems like ext4 and XFS have no way to detect slow data degradation (also known as bitrot), since they don’t perform data checksumming. When using those filesystems, however, we can store and verify integrity information at the block level, using dm-integrity. In this tutorial, we learn how to create dm-integrity devices with the integritysetup utility, and when creating LUKS containers, using cryptsetup.