Linux

Running n8n on your own VPS is the best way to build secure, scalable, and always-on automation workflows. Unlike cloud-based automation services, hosting n8n on an AlexHost VPS gives you full data privacy, unlimited executions, 24/7 uptime, and predictable costs. With Debian 12 as the base OS, you’ll benefit from long-term stability and modern software […]

By default, Ubuntu installs updates automatically to keep your system safe and stable. This is useful for most users, but in some cases you may want to control updates manually — for example, on servers, test environments, or when you need to keep specific software versions. Main Update Mechanisms in Ubuntu unattended-upgrades — service that […]

When working with Linux, many tutorials instruct users to run commands using apt-get to install, update, or remove software packages. However, encountering the following error can cause confusion, especially among beginners: apt-get: command not found This message, while seemingly alarming, typically points to a straightforward issue: the system cannot locate the apt-get executable. This article […]

Managing software repositories is a critical aspect of maintaining a stable and secure Linux environment. Occasionally, repositories may become problematic—they may be outdated, untrusted, or cause conflicts during package management operations. This article provides a comprehensive guide on safely identifying and removing such troublesome repositories, primarily within Debian-based Linux distributions like Ubuntu, Mint, and Kubuntu. […]

MongoDB is a popular, high-performance NoSQL database used for modern applications that need flexible data models, fast reads/writes, and easy horizontal scaling. If you’re deploying an API, SaaS platform, CRM, e-commerce backend, or any data-driven service, running MongoDB on a VPS gives you full control over performance, security, and costs. In this guide, you’ll learn […]

Fortify Your Linux Server on AlexHost: Top Security Practices Why secure your Linux server? Linux is a fortress, but it’s not invincible. Missteps like outdated packages or open SSH ports can invite trouble. On AlexHost’s VPS or dedicated servers, you’ve got the tools and power to lock things down tight. These best practices—updates, SSH hardening, […]

Managing files and directories is a fundamental skill for any Linux user — whether you are working on a VPS, a dedicated server, or your local machine. One of the most common tasks is moving files between directories. In Linux, this is usually done with the mv (move) command. In this article, we’ll explain how […]

Working in Linux often feels like navigating a vast library. Instead of shelves, you have directories (folders), and instead of books, you have files. To be effective as a system administrator, developer, or even a curious beginner, you need to master the basics of finding your way around this structure. One of the most important […]

In Linux, shell scripts (.sh files) are widely used to automate tasks, configure systems, or deploy applications. Knowing how to run them is essential for administrators, developers, and anyone working with Linux servers. In this guide, we’ll explain different methods step by step. 1. Make the File Executable When you download or create a .sh […]

Running high-performance applications on Linux requires more than powerful hardware; it demands careful tuning of the operating system, kernel parameters, and the software stack. Proper optimization ensures lower latency, higher throughput, and improved reliability, which is critical when hosting databases, web applications, or compute-intensive workloads at scale. Keep the System Lean A high-performance server should […]