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Articles on Trending Technologies
Technical articles with clear explanations and examples
3 Command Line Tools to Install Local Debian (.DEB) Packages
Debian is one of the most popular Linux distributions among users, and it uses .deb package format to install software packages. These packages contain all necessary files and instructions for installing software on your system. While there are several ways to install Debian packages, using the command line is the most efficient way. In this article, we will discuss three command-line tools that can be used to install local Debian packages. APT (Advanced Package Tool) APT is the default package manager in Debian, and it can be used to install packages from repositories or local packages. To install ...
Read Morebashrc vs. bash_profile What Is Difference
If you're new to the command line interface, you may have come across the terms .bashrc and .bash_profile. These are important configuration files found in your home directory that customize your shell environment. However, many users are confused about the differences between these two files. In this article, we'll explore the key differences between .bashrc and .bash_profile and explain how they work. What is .bashrc? The .bashrc file is a configuration script for the Bash shell that executes every time you open a new non-login terminal session. This includes opening new terminal windows or tabs in a graphical ...
Read MoreHow to Remove a User from a Group in Linux
Linux is a powerful and flexible operating system that is widely used in server environments. In these environments, it is common for multiple users to work on the same system and even belong to the same user groups. However, there may come a time when you need to remove a user from a group, either because they no longer require access or due to security reasons. In this article, we'll look at how to remove a user from a group in Linux. What are User Groups in Linux? User groups are an essential feature of Linux operating systems. ...
Read MoreHow to use a pipe with Linux find command?
Linux find command is one of the most widely used commands that allows us to walk a file hierarchy. It is used to locate specific files or directories, and we can combine it with other Linux commands using pipes to perform complex operations. Basic Find Command Let's explore a simple example of the find command to understand it better. find sample.sh sample.sh If the find command locates the file, it prints the filename. If not found, it returns nothing and the terminal process terminates. Understanding Pipes in Linux A ...
Read MorePriority Inversion
Priority inversion is an operating system scenario in which a higher priority process is preempted by a lower priority process. This implies the inversion of the priorities of the two processes, causing the system to behave opposite to its intended design. Priority inversion typically occurs when a high-priority task waits for a resource held by a low-priority task, while a medium-priority task preempts the low-priority task, effectively blocking the high-priority task indefinitely. How Priority Inversion Occurs Consider three processes with different priorities: Process Priority Description H High Critical task ...
Read MoreExclude Multiple Patterns With Grep on Linux
Grep is a powerful command-line utility on Linux that allows users to search for patterns in text files. It is widely used for tasks such as searching log files for specific strings, filtering configuration files, or extracting information from large datasets. One of the useful features of grep is the ability to exclude multiple patterns from the search results, which helps filter out irrelevant or unwanted lines. Excluding a Single Pattern with Grep The easiest way to exclude a pattern from a grep search is to use the -v option (invert match). This option tells grep to display ...
Read More3 Top Node.js Package Managers for Linux
Node.js has become one of the most popular runtime environments for building scalable applications. To manage the vast ecosystem of modules and packages, developers rely on specialized package managers. This article explores three top Node.js package managers for Linux systems and compares their features, performance characteristics, and use cases. npm (Node Package Manager) npm is the default and most widely adopted package manager for Node.js. It comes pre-installed with Node.js and serves as the official registry for JavaScript packages. With over 2 million packages available, npm has established itself as the cornerstone of the Node.js ecosystem. Key ...
Read MoreBashtop – A Resource Monitoring Tool for Linux
If you are a Linux user, you may have experienced some difficulties when it comes to monitoring system resources. Keeping track of CPU usage, memory usage, network activity, and other important system statistics can be a challenging task. Fortunately, there are several open-source tools available that make it easy to monitor system resources. In this article, we will be discussing one such tool − Bashtop. What is Bashtop? Bashtop is a resource monitoring tool for Linux that provides real-time information on system resources. It is a terminal-based application that displays a live graph of system resources usage, making ...
Read MoreHow to Add or Remove PPA in Ubuntu Using GUI and Terminal
Ubuntu is one of the most popular Linux-based operating systems used by millions of people worldwide. It is known for its ease of use, reliability, and security features. One of the most important features of Ubuntu is its package management system, which allows users to easily install, update, and remove software packages. Personal Package Archives (PPAs) are third-party repositories that contain software packages not available in the official Ubuntu repositories. They are typically maintained by individuals or teams of developers who create and maintain their own packages. This article explains how to add or remove PPAs in Ubuntu using ...
Read MoreDifference between Mobile and Desktop Operating System
An Operating System (OS) is a bridge between software and underlying hardware components. It is the first program loaded by the BIOS when a computer is turned on and manages all system resources including memory, files, input/output operations, and external drivers. Operating systems enable multitasking, provide user interfaces through CLI or GUI, and allow data storage and sharing. There are different types of operating systems designed for various computing platforms. This article explores the key differences between Mobile Operating Systems and Desktop Operating Systems. What is a Mobile Operating System? A Mobile Operating System is lightweight system ...
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