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Articles on Trending Technologies
Technical articles with clear explanations and examples
Amplify – NGINX Monitoring Made Easy
NGINX Amplify is a comprehensive monitoring and analytics solution designed specifically for NGINX web servers. As NGINX powers many of the world's busiest websites due to its speed, reliability, and flexibility, proper monitoring becomes crucial for maintaining optimal performance. Amplify simplifies server management by providing real-time insights, automated alerts, and detailed analytics through an intuitive dashboard. What is NGINX Amplify? NGINX Amplify is a cloud-based monitoring tool developed by NGINX Inc., the company behind the NGINX web server. It provides comprehensive visibility into NGINX server performance, configuration, and security through real-time metrics collection and analysis. The tool is ...
Read MoreHow to Grep for Multiple Strings, Patterns or Words?
Grep is one of the most powerful and widely used command-line tools in Linux/Unix systems. It stands for "Global Regular Expression Print" and is used for searching text files or output of commands for specific patterns or strings. It can search through an entire directory structure, filter results, and display only relevant data. Grep is versatile for system administration, programming, and data analysis tasks. Basic Grep Commands Grep is a command-line tool used in Unix-based operating systems to search for specific patterns or strings in files or command output. The basic syntax is − grep [options] ...
Read MoreDCP – Transfer Files Between Linux Hosts Using Peer-to-Peer Network
As a Linux user, you may often find yourself needing to transfer files between different hosts on your network. While there are several ways to do this, the Distributed Copy (DCP) protocol is a peer-to-peer method that offers a convenient and efficient solution for large-scale file transfers. In this article, we will explore DCP in detail, including how to install and use it to transfer files between Linux hosts. We will also discuss security considerations when using DCP, and how to use SSH to ensure secure file transfers. What is DCP? DCP is a protocol that enables ...
Read MoreHow to Configure Proxy Settings on Ubuntu 20.04?
Proxy servers are intermediary servers that act as a gateway between a user's device and the internet. When connected through a proxy server, all data requests are first sent to the proxy server which then forwards them to the internet. This setup provides enhanced security, privacy, and network control for organizations and individuals. There are several types of proxies including HTTP proxies, HTTPS proxies, and SOCKS proxies. Each type serves different purposes with varying degrees of security and functionality. Understanding Proxy Settings on Ubuntu 20.04 Ubuntu 20.04 provides multiple methods to configure proxy settings, allowing you to ...
Read MoreHow to list all users in a Linux group?
In order to understand the commands to list all users in a Linux group, you first need to know how to list all users on the system. There are several ways to accomplish this, and one effective method is using the compgen command. The compgen command is a Linux utility that lists all commands executable in the terminal. When used with the -u flag, it displays all users present on the Linux system. compgen -u Output root daemon bin sys sync games man lp mail news uucp proxy www-data backup ... ...
Read MoreHow to Find the List of Daemon Processes and Zombie Processes in Linux
This article will guide you to understand zombie processes and daemon processes, and help you identify processes running in the background on Linux systems. What is a Zombie Process? When a process completes execution, it must report its exit status to its parent process. During this brief period, the process remains in the OS process table as a zombie process. The zombie indicates that the process will not be scheduled for future execution, but it cannot be completely removed until the parent process reads its exit status. When a child process completes, the parent process receives a ...
Read Morefd An Alternative to the Linux find Command
The fd command is a popular alternative to the find command in Linux. It is a faster and more user-friendly version of find, written in Rust for performance. Key features of fd include the ability to search using regular expressions, a more natural syntax for specifying search parameters, and the ability to search using specific file extensions or names. Installation The fd command can be installed on Linux and macOS using the package manager of your distribution. On Debian based distributions − sudo apt-get install fd-find On Fedora and CentOS − ...
Read MoreUnderstanding Time Command in Linux
As a Linux user, you must have come across the time command. It is a simple yet powerful command that allows you to measure execution time of a process. Whether you are a developer, system administrator, or just a curious user, understanding how the time command works is essential for optimizing your workflow and identifying bottlenecks in your system. What is the time Command? The time command is a Linux utility that measures the time it takes for a given command to execute. The command accepts a single argument, which is the command you want to measure. The ...
Read MoreViewing Files in Linux Using cat, more, and less
In Linux, we often need to view file contents without opening them in text editors like vi or vim. Three essential commands for file viewing are cat, more, and less. Each command serves different purposes depending on file size and viewing requirements. The cat command displays entire file content at once, while more and less provide paginated viewing for larger files. The cat Command The cat (concatenate) command is the most straightforward way to display file contents. It reads and displays the entire file content on the terminal screen. Basic File Viewing To display the complete ...
Read MoreAn Easy Way to Hide Files and Directories in Linux
As a Linux user, you might want to hide some of your files and directories from prying eyes. Perhaps you have sensitive data that you don't want others to see, or maybe you just want to keep your work organized. Whatever your reasons may be, hiding files and directories in Linux is a straightforward process that you can accomplish using various methods. In this article, we'll explore an easy way to hide files and directories in Linux. What is Hiding Files and Directories? Hiding files and directories means making them invisible to regular users when using standard commands ...
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