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Articles by Satish Kumar
Page 52 of 94
How to Install and Configure Cluster with Two Nodes in Linux?
In today's era, the use of clusters has become increasingly important in the field of computing. A cluster is a group of interconnected computers that work together as a single entity to provide high-performance computing, data analysis, and fault tolerance. In this tutorial, we will demonstrate how to install and configure a two-node cluster in Linux using Pacemaker and Corosync. A cluster consists of two or more nodes that work together as a single system. Each node is a separate computer with its own resources (CPU, memory, storage) connected through a network for communication and resource sharing. Pacemaker acts ...
Read More5 Things I Dislike and Love About GNU/Linux
GNU/Linux is an open-source operating system that has been gaining popularity over the years. It is known for its reliability, security, and flexibility. While every user's experience differs, there are common aspects that people tend to appreciate or find challenging about GNU/Linux. This article examines five key dislikes and loves that users commonly express about GNU/Linux. Things Users Dislike About GNU/Linux Software Compatibility Limitations One major challenge with GNU/Linux is that some proprietary software may not be compatible with the operating system. This creates obstacles for users who depend on specific programs unavailable on GNU/Linux platforms. ...
Read MoreHow to Install and Configure GitLab on CentOS 8/7?
GitLab is an open-source platform that allows you to manage your source code repositories and collaborate with your team members. With GitLab, you can host your Git repositories, manage code reviews, automate CI/CD pipelines, and much more. In this article, we will guide you through the process of installing and configuring GitLab on CentOS 8/7. Prerequisites Before we start with the installation, there are a few prerequisites that you need to fulfill − A CentOS 8/7 server with a minimum of 4GB of RAM and 2 CPU cores. A domain name pointing to the server's IP ...
Read More4 Useful Tips to Secure PhpMyAdmin Login Interface
PhpMyAdmin is a popular web-based tool used by developers to manage and administer MySQL databases. It provides an intuitive interface for creating, modifying, and deleting databases, tables, and records. However, like any web application, PhpMyAdmin is vulnerable to security threats if not properly configured. This article covers four essential tips to secure your PhpMyAdmin login interface and protect your database from unauthorized access. Change Default Login Credentials One of the most critical security steps is changing the default MySQL credentials. Many installations use predictable usernames like root with weak passwords, making them easy targets for attackers. To ...
Read More4 Useful Tools to Monitor CPU and GPU Temperature in Ubuntu
Ubuntu is one of the most popular and widely used Linux distributions. It is known for its simplicity, reliability, and performance. However, like any other operating system, Ubuntu is not immune to overheating issues. Overheating can lead to a number of problems, such as decreased performance, system crashes, and even hardware damage. Therefore, it is important to monitor the temperature of your CPU and GPU regularly to prevent such issues from occurring. lm-sensors lm-sensors is a command-line tool that allows you to monitor temperature, voltage, and fan speed of your CPU, GPU, and other system components. It is ...
Read More5 Tools to Encrypt Decrypt and Password Protect Files in Linux
In today's world, data privacy is more important than ever. With a multitude of online threats, it's crucial to keep your personal and professional data safe and secure. One of the best ways to do this is by using encryption and password protection. If you're a Linux user, you're in luck because Linux offers several powerful tools to encrypt, decrypt, and password protect your files. In this article, we'll discuss the best tools available in Linux and how to use them. GPG (GNU Privacy Guard) GPG is a free and open-source encryption tool that uses the OpenPGP standard. ...
Read MoreHow to Install and Configure LAMP on Debian 11 (Bullseye)?
The LAMP stack, which stands for Linux, Apache, MySQL/MariaDB, and PHP/Perl/Python, is a popular web application development and hosting environment. Installing LAMP on a Debian 11 (Bullseye) system is a straightforward process that involves installing and configuring individual components. In this article, we will go through the step-by-step process of installing and configuring LAMP on a Debian 11 (Bullseye) system. Step 1: Update and Upgrade Your System Before installing LAMP on your Debian 11 (Bullseye) system, it is important to update and upgrade your system to ensure that you have the latest software packages and security patches. You ...
Read More4 Ways to Check CentOS or RHEL Version
If you're using CentOS or RHEL (Red Hat Enterprise Linux), knowing your system version is essential for package management, troubleshooting, and security updates. There are several reliable methods to determine which version you're running. This article covers four effective methods to check your CentOS or RHEL version, each with step-by-step instructions and example outputs. Method 1: Check /etc/redhat-release File The /etc/redhat-release file contains version information about your CentOS or RHEL system, including the release number and update level. This is the most straightforward method. To check the contents of the /etc/redhat-release file: cat /etc/redhat-release ...
Read More5 Tools to Scan a Linux Server for Malware and Rootkits
As a Linux server administrator, ensuring your system remains secure from malware and rootkits is critical for protecting sensitive data and maintaining system integrity. Malicious software can compromise your server's security, steal information, or create backdoors for attackers. This article explores five essential tools that help detect and eliminate security threats on Linux servers. ClamAV ClamAV is an open-source antivirus engine designed for detecting viruses, trojans, and other malicious software. It's lightweight, regularly updated, and supports multiple file formats including compressed archives and email attachments. Installation and Basic Usage # Install ClamAV (Ubuntu/Debian) sudo apt ...
Read More5 Useful Tips for Better Tmux Terminal Sessions
Are you tired of constantly opening and closing terminal windows or having to navigate through multiple sessions at once? Tmux (Terminal Multiplexer) is a powerful tool that can help you manage multiple terminal sessions within a single window. Here are 5 useful tips to improve your Tmux terminal sessions and enhance your productivity. Learn Basics of Tmux Before you start using Tmux, it's important to understand basic concepts and commands. Here are a few key terms − Session − A collection of one or more windows. Window − A single screen that contains one or more ...
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