
Introduction to Linux? and How Does Linux Work?
In this article, we explore what Linux is and some of the attributes and components associated with the Linux operating system. What Is Linux? Linux is an open-source, community-developed operating system with the kernel at its core, alongside other
Jun 24, 2025 am 10:50 AM
Scrcpy - Control Your Android Device via Linux Desktop
Brief: This guide shows how to install scrcpy an application that helps you connect, display and control an android device from your Linux desktop computer.Scrcpy (pronounced “screen copy“) is a free, open-source, and cross-platform utility used to d
Jun 24, 2025 am 10:37 AM
How to Use 'sleep' Command to Delay Linux Command Execution
Brief: In this guide, we will discuss practical examples of sleep commands. After following this guide, Linux programmers will be able to use the sleep command to write robust shell scripts. Linux programmers and system administrators prefer to write
Jun 24, 2025 am 10:21 AM
20 Screen Command Examples to Manage Linux Terminals
Brief: In this guide, we will discuss some useful examples of the screen command. By the end of this guide, users will be able to work with multiple shell sessions using a single Linux terminal window. As Linux users, we often need to work on long-ru
Jun 24, 2025 am 10:19 AM
6 Deprecated Linux Commands and Alternative Tools for Linux
Linux provides tons of command-line utilities to perform various tasks. However, with the passage of time, some of these tools have become outdated and replaced by other alternative command-line tools. In this guide, we will highlight 6 deprecated Li
Jun 24, 2025 am 10:16 AM
10 GNU Linux Myths That You Stop Believing
Brief: In this guide, we discuss some of the GNU Linux myths and misconceptions which have been going on for a while. If you are getting started with Linux or have been using it for a while, there is a pretty good chance that you have stumbled upon s
Jun 24, 2025 am 09:57 AM![How to Find Parent Process [Child Processes] PPID in Linux](https://img.php.cn/upload/article/001/242/473/175072915375973.png?x-oss-process=image/resize,m_fill,h_135,w_240)
How to Find Parent Process [Child Processes] PPID in Linux
Every time a program runs, the kernel generates a process tied to that program. In simple terms, a process is an active instance of a program in Linux.The process generated by the kernel is called the ‘Parent Process‘. Processes that originate from o
Jun 24, 2025 am 09:39 AM
How to Use 'head' Command to Manage Files Effectively
In Linux, there are various commands available to display the contents of the text file. Some of the popular and most frequently used commands are cat, less, more, view, etc. However, all of these commands are more relevant when we want to display a
Jun 24, 2025 am 09:24 AM
Setting Up A Headless Linux Server Using Debian
A vast majority of Linux users are familiar with a Linux desktop PC which provides a graphical environment with which you can interact with the system. However, unlike a Linux desktop, a headless server is an operating system that runs without a GUI
Jun 24, 2025 am 09:23 AM
How to Install Sublime Text 4 on Linux Systems
If you're not a fan of the terminal, you might find it inconvenient to use command-line text editors like Vi or Vim. When it comes to graphical text editing tools, Sublime Text is one of the most widely used cross-platform proprietary text and source
Jun 24, 2025 am 09:09 AM
How to view and set environment variables in Linux?
To view environment variables, printenv or echo can be used, export can be used for temporary settings, and configuration files need to be modified for permanent settings. The specific steps are: 1. Use printenv or echo$ variable name to view the current variable value; 2. Use exportVAR="value" to temporarily set the variable; 3. Write the export command to ~/.bashrc, ~/.bash_profile or /etc/environment to achieve permanent settings; 4. Make the changes take effect through the source file. Common variables such as PATH, HOME, LANG, etc. are used to control command paths, user directories and language settings.
Jun 24, 2025 am 12:22 AM
What is service discovery in a microservices architecture?
Servicediscoverysolvestheproblemofdynamicallylocatingservicesinamicroservicesarchitecturewhereserviceaddressesfrequentlychange.Itenablesautomaticregistrationandlookupofservicesthroughacentralregistry,ensuringreliablecommunicationevenasservicesscaleor
Jun 24, 2025 am 12:22 AM
How to get the system's hardware information?
Windows systems can quickly view hardware information through task manager, device manager and system information tools; 2. Linux systems can use command line tools such as lscpu, free, df, and lspci to obtain detailed hardware data; 3. Third-party tools such as CPU-Z, Speccy and BelarcAdvisor to provide more intuitive visual hardware reports. Selecting the appropriate method according to the operating system can easily obtain information about key components such as CPU, memory, hard disk, motherboard, etc., and some information needs administrator permission to be read accurately.
Jun 24, 2025 am 12:21 AM
How does Ansible connect to managed nodes?
Ansible communicates with managed nodes via SSH without the need for installing agents or additional software. 1. SSH connection is used by default. SSH key authentication is recommended. You can also use the password to add the --ask-pass parameter. 2. SSH behavior can be controlled through inventory files or ansible.cfg, such as specifying a user or private key. 3. Support multiplexed SSH connections to improve performance. 4. Inventory, host IP, user, key and other information can be defined. 5. In addition to SSH, it also supports Local, Docker, WinRM and other connection methods, which can be specified through the ansible_connection variable. 6. It is necessary to ensure that DNS resolution, firewall opens 22 ports and correct settings
Jun 24, 2025 am 12:20 AM
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