F.A.Q

Secure Shell (SSH) is an essential tool for system administrators, developers, and anyone managing remote servers. With SSH remote access, you can securely connect to a remote machine, execute commands, transfer files, and perform administrative tasks. In this article, we’ll explore 10 common SSH commands that you should be using today. 1. Connecting to a […]

Debian is a versatile and stable Linux distribution, widely praised for its reliability and vast package repositories. While it comes with a default lightweight desktop environment (usually XFCE or GNOME Minimal), many users prefer to install and use GNOME, a popular desktop environment known for its sleek and modern interface. If you’re running Debian and […]

Java is a widely used programming language and runtime environment that is essential for many software applications. OpenJDK (Open Java Development Kit) is an open-source implementation of the Java Platform, Standard Edition. If you’re running Ubuntu 22.04 and need Java for development or application deployment, this guide will walk you through the installation process. Step […]

Upgrading Ubuntu is an essential part of maintaining a secure and optimized system. However, sometimes users may encounter an error during the upgrade process, such as the “Upgrade Ubuntu Install Updates” error. This issue can prevent you from successfully upgrading your Ubuntu system and can be frustrating to troubleshoot. In this article, we’ll explore the […]

Using ssh-copy-id & ssh-keygen Commands in Linux Secure Shell (SSH) is a crucial tool for securely connecting to remote systems. To improve security and ease of access, SSH key authentication is often preferred over password authentication. Two important commands in this process are ssh-keygen and ssh-copy-id. Generating SSH Keys with ssh-keygen The ssh-keygen command is […]

Node.js is a powerful JavaScript runtime that allows you to build scalable and high-performance applications. PM2 is a process manager for Node.js applications that enables you to keep your applications running continuously, even after a system restart. In this guide, we will show you how to install Node.js and PM2 on Ubuntu. Step 1: Update […]

Introduction When managing a Linux server, providing restricted access to users for file transfers without granting full shell access is a common security concern. Two tools that help achieve this are rssh and scponly. These restricted shells allow users to perform specific file transfer operations via SCP, SFTP, and rsync while preventing command execution. In […]

Firewalld is a powerful firewall management tool used in Linux distributions such as CentOS, RHEL, and Fedora. It provides a flexible and dynamic way to manage firewall rules, allowing users to define security policies effectively. One of the key features of Firewalld is rich rules, which provide more granular control over network traffic compared to […]

How to Install DirectAdmin on VPS DirectAdmin is one of the most popular web hosting control panels, offering an easy-to-use interface for managing web hosting services. It is often favored for its simplicity, lightweight resource usage, and robust features. If you’re planning to use DirectAdmin for managing your VPS  (Virtual Private Server), this guide will […]

Perl, which stands for Practical Extraction and Reporting Language, is a versatile, high-level programming language known for its capabilities in text manipulation, data analysis, and system administration tasks. Developed by Larry Wall in 1987, Perl has been a popular language for web development, network programming, and data processing due to its flexible syntax and rich […]