Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Articles by Satish Kumar
Page 12 of 94
Apt Linux Command with Examples
If you are using Linux as your operating system, then you might be familiar with the apt command. APT stands for "Advanced Package Tool" and it is a package manager used in Linux distributions like Ubuntu, Debian, and others. APT is a command-line tool that allows users to search, install, remove, and manage software packages on their Linux system. Basic Package Management Operations Updating Package Lists Before installing any package on your Linux system, it's important to update package lists. APT uses package lists to know which packages are available for installation. sudo apt update ...
Read MoreHow to Do Security Auditing of Linux System Using Lynis Tool?
In today's world, where cyber threats and attacks have become more sophisticated and frequent, it is imperative to secure computer systems against malicious activities. A security audit is a systematic evaluation of the security of a computer system or network, which involves identifying potential vulnerabilities and addressing them before they are exploited by attackers. In this article, we will discuss how to perform a security audit on a Linux system using the Lynis tool. What is Security Auditing? Security auditing refers to the process of evaluating the security posture of a computer system or network by examining its ...
Read MoreAPT vs APT-GET What\'s Difference
If you're a Linux user, you may have come across the terms APT and APT-GET before. While both terms refer to package managers used to install and manage software on Debian-based Linux distributions like Ubuntu, they have some key differences. In this article, we'll explore the differences between APT and APT-GET, and how they affect the way you manage software on your system. What is APT? APT, short for Advanced Package Tool, is a command-line package manager used on Debian-based Linux distributions. It's the primary package manager used on Ubuntu, and it can be used to install, update, ...
Read MoreHow to Downgrade RHELCentOS to Previous Minor Release?
In the world of enterprise-level Linux operating systems, Red Hat Enterprise Linux (RHEL) and its derivative, CentOS, are two of the most widely used distributions. They offer a stable and robust platform that is trusted by many organizations worldwide. However, sometimes it may become necessary to downgrade to a previous minor release due to compatibility issues or other reasons. In this article, we will show you how to downgrade RHEL/CentOS to a previous minor release safely. Preparing for Downgrade Backing up data and configurations Before beginning the process of downgrading your RHEL/CentOS system, it is essential ...
Read MoreMonitoring context switches in Linux
Context switching is an essential aspect of modern operating systems that enables them to efficiently manage resources. Context switching is the process of switching from one process to another in a multi-tasking environment. The operating system does this by saving the state of the current process and loading the state of the next process. Monitoring context switches in Linux is a crucial task for system administrators, developers, and users who want to optimize performance of their systems. Understanding Context Switching in Linux Context switching occurs when the operating system switches between multiple processes to give the illusion of ...
Read MoreA Science Fiction Terminal Emulator Created for Linux
If you're a fan of science fiction and Linux, you might be interested in the latest development in the tech world: a science fiction-themed terminal emulator created specifically for Linux. This terminal emulator provides a unique user interface that transports you to a world of intergalactic communication, high-tech spaceships, and futuristic computing environments. What is a Terminal Emulator? Before diving into the details of science fiction-themed terminal emulators, let's first understand what a terminal emulator is. A terminal emulator is a software application that enables you to access a command-line interface (CLI) on your computer. This CLI allows ...
Read MoreAptik – A Tool to BackupRestore Your Favourite PPAs and Apps in Ubuntu
If you are a fan of Ubuntu, you know how frustrating it can be to reinstall your favorite applications and PPAs after a fresh installation. Thankfully, there is a solution to this problem. Meet Aptik − a backup and restore tool that makes reinstalling your favorite apps and PPAs a breeze. In this article, we'll explore Aptik and how you can use it to backup and restore your favorite applications and PPAs. What is Aptik? Aptik is a free, open-source tool that allows you to backup and restore your installed applications and PPAs. The tool is designed to ...
Read MoreHow to Install AlmaLinux 9 Step by Step?
AlmaLinux is a free and open-source Linux distribution designed as a community-driven alternative to CentOS. As a Red Hat Enterprise Linux (RHEL) fork, it offers stability, reliability, and compatibility with enterprise Linux environments. This guide provides a comprehensive step-by-step walkthrough for installing AlmaLinux 9, from downloading the ISO image to configuring your new system. Download AlmaLinux 9 ISO Visit the official AlmaLinux website at https://almalinux.org and navigate to the downloads section. Choose the appropriate ISO image based on your system's architecture (64-bit recommended) and download it to your local machine. Create a Bootable USB Drive Create ...
Read MoreA Shell Script to Monitor Network, Disk Usage, Uptime, Load Average and RAM
In a Linux environment, it's essential to keep track of system resources such as network usage, disk usage, uptime, load average, and RAM usage. This information helps system administrators detect potential issues and improve system performance. However, monitoring these metrics manually can be time-consuming and tedious. Therefore, in this article, we will discuss how to use a shell script to monitor these system resources. What is a Shell Script? A shell script is a program that runs on a command-line interface and automates repetitive tasks. It is a series of commands written in a scripting language, such as ...
Read MoreAria2 – A Multi-Protocol Command-Line Download Tool for Linux
Aria2 is a lightweight, multi-protocol command-line download utility for Linux that supports HTTP, HTTPS, FTP, BitTorrent, and Metalink protocols. Unlike graphical download managers, Aria2 operates through terminal commands, offering superior control, efficiency, and resource management for downloading files from various sources. Key Features Aria2 stands out with its multi-connection downloads, allowing files to be split into segments and downloaded simultaneously from multiple sources. It supports resumable downloads, automatically continuing interrupted transfers without losing progress. The tool also provides checksum verification to ensure file integrity and offers detailed download statistics including speed, progress, and connection information. Installation ...
Read More