Linux

SSH (Secure Shell) is a widely used protocol for securely accessing and managing remote servers over an encrypted connection. One of the most common tasks when working with SSH is copying files between your local machine and a remote server or between two remote servers. In this article, we’ll explore different ways to copy files […]

Install OpenJDK on Ubuntu 22.04 for Java Development on AlexHost VPS Why install OpenJDK on AlexHost? OpenJDK is a free, open-source Java SE implementation for building and running Java apps. AlexHost’s Ubuntu VPS with NVMe storage, LiteSpeed, root access, and DDoS protection provides a fast, secure platform for Java development. This guide covers installing OpenJDK […]

Edit the Hosts File: Your Local DNS Superpower What’s the hosts file, and why tweak it? The hosts file is your computer’s secret map, linking domain names (like example.com) straight to IP addresses without asking the internet’s DNS servers. It’s a quick fix for testing sites locally, blocking distractions, or dodging DNS glitches. Whether on […]

When working with text files between Windows and Linux systems, you may encounter issues due to differences in line endings. Windows uses a carriage return and line feed (CRLF) sequence (\r\n) to denote the end of a line, while Linux uses just a line feed (LF) (\n). This can lead to formatting problems and unexpected […]

Restarting services is a common task for system administrators and users managing Linux servers. Whether you need to apply changes to a configuration file, resolve issues, or simply refresh a service, doing so from the command line is efficient and effective. This article will guide you through the process of restarting services on various Linux […]

ClamAV is a popular open-source antivirus engine designed to detect and remove various types of malware, including viruses, trojans, and other malicious software. It is widely used on Linux-based systems but also supports other operating systems like macOS and Windows. One of its key features is the ability to scan files, email servers, and web […]

The cron utility in Unix-like operating systems allows users to schedule jobs (commands or scripts) to run automatically at specific times or intervals. Whether you’re maintaining a server or managing automated tasks on your local machine, cron is an essential tool for system administrators and developers alike. In this article, we’ll explain how to display […]

PostgreSQL, one of the most powerful and open-source relational database management systems, allows developers and database administrators to manage multiple databases within a single PostgreSQL instance. Understanding how to list and switch between these databases is essential for efficient database management, especially in environments where multiple projects or applications require separate databases. In this article, […]

The grep command is one of the most powerful and widely-used utilities in Unix and Linux-based systems. It allows you to search for specific patterns or text within files, making it an essential tool for system administrators, developers, and anyone who deals with large amounts of text data. Whether you’re searching through log files, configuration […]

MongoDB is a popular NoSQL database known for its flexibility, scalability, and performance. It stores data in flexible, JSON-like documents, which is perfect for developers working with dynamic, fast-evolving applications. If you’ve opted to run MongoDB on your own Virtual Private Server (VPS), you’re in for a rewarding experience that will give you full control […]