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Linux Articles
Page 46 of 134
How 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 MoreLearn How to use Dstat tool to Monitor Linux Server Performance?
Dstat is a versatile resource statistics tool that combines the functionality of iostat, vmstat, netstat, and ifstat. This powerful command-line utility allows system administrators to monitor server resources in real-time, making it ideal for troubleshooting performance issues and analyzing system behavior. Features Combines vmstat, iostat, ifstat, netstat functionality and more Shows statistics in the same timeframe for easy correlation Enables ordering counters as they make sense during analysis or troubleshooting Features modular design for flexibility Written in Python, making it easily extendable Supports custom counters and external plugins Can summarize grouped block/network devices and provide total numbers ...
Read MoreHow to Install VMware Player 7.1.2 on Ubuntu/Linux Mint
VMware Workstation Player is a streamlined desktop virtualization application that runs one or more operating systems on the same computer without rebooting. Using VMware, we can easily interact and exchange data between applications running on the virtual machine and the desktop. It supports hundreds of guest operating systems whether they may be new or old. This article describes how to install VMware Player 7.1.2 on Ubuntu and Linux Mint systems. Prerequisites Before installing VMware Player, you need to install the Linux essential headers and build tools. These are required for compiling kernel modules that VMware uses. ...
Read MoreMastering Package Management system with Dpkg
Dpkg is a low-level package management tool for Debian-based Linux systems. It provides direct control over package installation, removal, configuration, and querying through command-line parameters. Unlike higher-level tools like apt, dpkg operates directly on .deb package files and maintains the package database. Every dpkg command consists of one action parameter that tells dpkg what to do, along with optional flags that modify the behavior. Dpkg is the foundation upon which other package managers are built. Getting Help To view all available dpkg options and commands − dpkg --help This displays a comprehensive list ...
Read MoreHow to Install PlayOnLinux
Wine is a compatibility layer that allows you to run Microsoft Windows applications on Linux and other UNIX-based operating systems (macOS, FreeBSD, Solaris). PlayOnLinux is a graphical frontend for Wine that simplifies the installation and configuration of popular Windows applications and games by automatically setting up Wine environments with the correct settings and dependencies. What is PlayOnLinux PlayOnLinux provides an intuitive interface that eliminates much of the complexity involved in configuring Wine manually. It includes: Automated Scripts − Pre-configured installation scripts for hundreds of Windows applications Multiple Wine Versions − Ability to use different Wine versions ...
Read MoreHow to Install Git on Linux
Git is a popular open-source version control system that tracks changes in files and coordinates work among multiple developers. Unlike traditional version control systems like CVS or SVN, Git uses a distributed model where each developer has a complete copy of the project history. This article covers the basic steps for installing Git on Linux systems, configuring it, and creating your first repository. Git vs Traditional Version Control Systems Traditional version control systems store data as a list of files with changes made to each file over time. Git takes a different approach by thinking of data as ...
Read MoreHow to Format a Hard Disk on Linux OS
In this article, we will learn how to format and configure a hard disk on Linux OS. When a new drive is installed and visible to the BIOS, it is automatically detected by the operating system. Disk drives are assigned device names beginning with hd or sd followed by a letter indicating the device order (e.g., /dev/sda, /dev/sdb). Detecting the New Hard Drive First, verify that the new drive is detected by listing all storage devices: # ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb This output shows that /dev/sda is divided into two partitions (/dev/sda1 ...
Read MoreHow to Find out Linux Version currently Installed on your Machine?
Are you new to Linux or Ubuntu? Do you want to know which version of Linux distribution is currently installed on your machine? This article explains various methods to identify your Linux distribution version and kernel information using simple command-line tools. Method 1: Using /etc/*-release Files The most comprehensive way to get distribution information is by examining the release files. Use the following command − $ cat /etc/*-release The sample output should be like this − DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS" NAME="Ubuntu" VERSION="16.04.1 LTS (Xenial Xerus)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.1 LTS" ...
Read MoreHow to Copy a File to Multiple Directories in Linux?
Copying a file to multiple directories simultaneously is a common task in Linux system administration. This article demonstrates several efficient methods to copy a file to multiple target directories using command-line tools like cp, xargs, and find. Method 1: Using cp with xargs The most straightforward approach combines echo, xargs, and cp to copy a file to multiple directories in one command. Basic Syntax echo dir1 dir2 dir3 | xargs -n 1 cp file1 This command works by: echo outputs the directory names separated by spaces xargs -n 1 processes one ...
Read MoreReset Kali Linux Password
Kali Linux is a Debian-derived Linux distribution designed for penetration testing and digital forensics, adopted by both hackers and security professionals. Users may find themselves unable to login due to a forgotten password or after installing Kali in a virtual environment or dual boot configuration. This article explains how to reset the Kali Linux password using the built-in recovery options. When locked out of the system, users typically encounter a login prompt where entering incorrect credentials results in access denial. Step-by-Step Password Reset Process Step 1: Access GRUB Boot Menu Reboot your Kali Linux ...
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