As a Linux user, you've probably heard of Bash shell. Bash is a powerful tool that allows you to perform a variety of tasks on your system. One of most useful features of Bash is declare statement. In this article, we'll explore what declare statement is, how it works, and provide examples of how you can use it in your scripts. What is Declare Statement? The declare statement is a built-in Bash command that allows you to set attributes for variables. When you declare a variable, you are telling Bash to treat that variable in a certain way. For example, ... Read More

Bash is a popular command-line interface shell that is used extensively in Linux and Unix operating systems. One of most useful features of Bash is its ability to execute loops, which allow you to automate repetitive tasks. However, sometimes you may want to interrupt a loop and then continue it later. This is where Bash continue statement comes in handy. In this article, we will explore how to use Bash continue statement to resume a loop. What is a Bash Loop? Before we dive into details of Bash continue statement, it's important to understand what a Bash loop is. A ... Read More

If you are a Linux or Unix user, then you might be familiar with Bash shell. Bash is a popular command-line interpreter that is widely used in Linux, macOS, and other Unix-like operating systems. It is a powerful tool for running scripts, automating tasks, and working with command line. One of most common use cases for Bash is working with loops, which allow you to repeat a set of instructions multiple times. However, sometimes you might need to break out of a loop before it has finished executing. In this article, we will explore how to exit from a loop ... Read More

As world continues to embrace digital transformation, more businesses are moving their applications and services to cloud. However, some companies still require their own dedicated hardware to host their applications. This is where bare metal servers come in. Bare metal servers are physical servers that are not virtualized and are dedicated to a single customer. Bare metal servers are becoming more popular as they offer higher performance, reliability, and security than virtualized servers. However, managing bare metal servers can be challenging, especially when it comes to billing. To address this, many hosting providers offer a bare metal billing client portal. ... Read More

Bandwidth is a crucial factor when it comes to network utilization. It determines amount of data that can be transmitted through a network connection in a given time frame. Linux provides a range of network tools to monitor and manage bandwidth utilization. Among these tools, Bandwidth is a reliable and versatile command-line utility that helps users to monitor and analyze network bandwidth usage on Linux systems. In this article, we will explore Bandwidth tool, its features, installation process, and usage. We will also discuss some practical examples of using Bandwidth to manage and optimize network bandwidth utilization. What is Bandwidth? ... Read More

If you're a Linux user who often downloads files from web, you might be familiar with slow download speeds that come with it. Fortunately, there's a tool called Axel that can help you accelerate your file downloads from command line. In this article, we'll discuss what Axel is, how it works, and how you can use it to speed up your downloads. What is Axel? Axel is a command-line tool that is used to accelerate file downloads in Linux. It is a lightweight and fast download accelerator that splits a single file into multiple parts and downloads them simultaneously. This ... Read More

If you're working with Linux, then you may have come across AWK command. AWK is a powerful text processing tool that is used for a variety of tasks such as filtering, manipulating and transforming data. In this article, we'll explore AWK command in detail, including its syntax, functions, and examples of its use. What is AWK Command in Linux? AWK is a programming language and tool that is used for text processing and data manipulation. It is typically used for extracting and manipulating data from text files, but it can also be used for more complex tasks such as generating ... Read More

Introduction Servers play a vital role in smooth functioning of any organization's IT infrastructure. They are responsible for hosting critical applications, databases, and other services. Hence, it is essential to ensure that servers are configured optimally for maximum performance and reliability. However, performance tuning can be a time-consuming and complex task that requires a high level of expertise. In this article, we will discuss automatic performance tuning of CentOS/RHEL servers. What is Performance Tuning? Performance tuning is process of optimizing performance of a system by adjusting various parameters and settings. In context of server performance tuning, it involves tweaking settings ... Read More

In world of IT, efficiency is key. Whether it's managing a data center, deploying a new software update, or configuring new hardware, streamlining processes can make all difference. One of most important areas where this is true is in installation and configuration of operating systems. And when it comes to deploying multiple instances of Red Hat Enterprise Linux (RHEL), there's no better solution than automated installations using PXE server and Kickstart files. What is PXE Server? PXE (Preboot Execution Environment) is a network protocol that allows a computer to boot from a server on network. Essentially, it means that you ... Read More

Introduction Apache Spark is a widely used distributed computing framework for big data processing. It provides a flexible and scalable solution for processing large amounts of data in a timely manner. However, deploying and managing a Spark cluster can be a challenging task, especially for those who are new to field of big data. In recent years, Bare Metal Cloud (BMC) providers have emerged as a promising solution for running distributed systems. BMCs provide benefits of cloud computing, such as flexible resource allocation, while also providing performance benefits of dedicated hardware. In this article, we will discuss how to automate ... Read More