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Articles by Satish Kumar
Page 50 of 94
5 Best Open Source Disk CloningBackup Tools for Linux Servers
Disk cloning and backup is an essential task for system administrators to ensure data safety and security. A disk cloning and backup tool creates a replica of an entire hard disk or specific partitions. This cloned data can be used to restore systems in case of hardware failure, system crashes, or data loss. In this article, we will discuss the top five open-source disk cloning and backup tools for Linux servers. Clonezilla Clonezilla is a widely-used open-source disk cloning and backup tool that supports various file systems including ext2, ext3, ext4, ReiserFS, XFS, JFS, Btrfs, NTFS, FAT, and ...
Read More5 Quirky ‘ls’ Command Tricks Every Linux User Should Know
If you are a Linux user, you are probably familiar with the ls command, which is used to list contents of a directory. However, did you know that there are several quirky and useful tricks that you can use with the ls command? In this article, we will explore five powerful techniques that every Linux user should know. Displaying File Size in Human-Readable Format By default, the ls command displays file size in bytes. However, this can be difficult to read, especially for larger files. Fortunately, you can use the -h option to display file size in a ...
Read MoreHow to Install Ajenti Control Panel in Debian and Ubuntu
Ajenti is an open-source web-based control panel that allows users to manage their servers and applications through a graphical user interface. It is written in Python and is compatible with multiple operating systems, including Debian and Ubuntu. In this tutorial, we will guide you through the steps required to install Ajenti Control Panel in Debian and Ubuntu. Prerequisites Before starting the installation, ensure you have − A Debian or Ubuntu server with root access An active internet connection At least 512MB RAM and 1GB disk space Step 1: Update System Before proceeding ...
Read MoreHow to Install Anaconda on Ubuntu 18.04 and 20.04?
Anaconda is an open-source distribution of Python and R programming languages used for data science, machine learning, and artificial intelligence projects. It comes with various pre-installed libraries and packages that are useful for scientific computing, data analysis, and data visualization. This tutorial covers the complete installation and setup process for Anaconda on Ubuntu 18.04 and 20.04. Prerequisites Before installing Anaconda on Ubuntu 18.04 or 20.04, you should have access to a terminal window or command-line interface with superuser privileges. Step 1: Download Anaconda Download the Anaconda installer directly from the command line using wget. First, navigate ...
Read More3 Ways to Permanently and Securely Delete Files and Directories in Linux
Linux is an incredibly powerful and versatile operating system widely used in the computing industry. One of the most important aspects of using any computer system is the ability to manage files and directories. In this article, we will discuss three ways to permanently and securely delete files and directories in Linux. Why Secure File Deletion is Important When you delete a file or directory from your computer, it does not necessarily mean that the data is gone forever. In most cases, the data is still present on your hard drive or storage device, but it is marked ...
Read More5 Best Practices to Prevent SSH Brute-Force Login Attacks in Linux
In today's digital landscape, security is paramount. One of the most common attack vectors against Linux systems is through SSH brute-force login attacks. SSH (Secure Shell) is a network protocol used to access and manage remote systems securely. This article outlines 5 essential best practices to fortify your SSH server against unauthorized access attempts. Use Strong Passwords The foundation of SSH security lies in strong password policies. Effective passwords should be at least 12 characters long, incorporating uppercase and lowercase letters, numbers, and special characters. Avoid predictable patterns like "password123" or "admin123" that automated tools can easily crack. ...
Read More5 Reasons To Install Linux Today
If you're looking for a free and open-source operating system that's powerful, flexible, and customizable, Linux may be the perfect choice for you. Linux has been gaining popularity in recent years, and with good reason. In this article, we'll explore compelling reasons why you should install Linux on your computer today. Linux is Free One of the biggest advantages of Linux is that it's completely free. Unlike Windows or MacOS, which can cost hundreds of dollars, you can download and install Linux on your computer without spending a dime. This means you don't have to worry about licensing ...
Read MoreHow to Install and Configure an Ansible Control Node?
Ansible is an open-source automation tool that enables system administrators to automate IT tasks such as application deployment, configuration management, and infrastructure orchestration. Ansible uses a declarative language to describe system configurations and runs tasks in parallel on multiple machines simultaneously. One of the key components of an Ansible deployment is the control node, which manages the deployment process. In this article, we'll guide you through the process of installing and configuring an Ansible control node on a Linux machine. Prerequisites Before we begin, you will need the following − A machine running a Linux ...
Read MoreRedirect output of process to a file and streams?
Output redirection allows us to send the output of processes to files and standard streams (stdout and stderr) simultaneously. This is essential for logging, debugging, and monitoring system activities in Unix-like operating systems. The tee Command The tee command is a fundamental Linux utility that reads from standard input and writes to both standard output and one or more files simultaneously. It acts like a T-junction in plumbing, splitting the data flow into multiple directions. Redirect stdout Here's a simple example redirecting the output of the ls command to both stdout and a file: ...
Read More3 Ways to Set a Static IP Address in RHEL 8
RHEL 8 (Red Hat Enterprise Linux 8) is a popular Linux-based operating system used by many organizations for their servers and workstations. In RHEL 8, IP (Internet Protocol) addresses can be set dynamically or statically. A dynamic IP address is assigned automatically by a DHCP (Dynamic Host Configuration Protocol) server, while a static IP address is manually configured by the user. In this article, we will discuss three ways to set a static IP address in RHEL 8. Using Network Manager GUI The Network Manager GUI is a graphical user interface that makes it easy to manage network ...
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