Administration

The “Request-URI Too Long” error in Apache occurs when a client sends a URL that exceeds the server’s predefined length limit. This issue can prevent users from accessing specific pages and is typically encountered in applications that pass large amounts of data in the URL. If you’re looking for a high-performance hosting solution with optimized […]

Managing network security is critical when running applications or services on a Linux server, especially on a high-performance platform like ava.hosting. Firewalld, a dynamic firewall management tool used in distributions like CentOS, RHEL, and Fedora, offers powerful control through its rich rules feature. Rich rules enable precise, granular policies to secure your server, far beyond […]

What is simple history? Simple History is a WordPress activity log plugin that helps administrators monitor all changes made on their website. It tracks user logins, content changes, plugin updates and security-related events in real time. Unlike complex security tools, Simple History offers a clear and user-friendly interface within the WordPress dashboard. It provides a […]

How to Install DirectAdmin on a VPS (CentOS, Ubuntu, Debian) DirectAdmin is a lightweight, user-friendly web hosting control panel, ideal for managing websites, emails, and databases on a VPS. This guide provides a step-by-step process to install DirectAdmin on an AvaHost VPS running CentOS, Ubuntu, or Debian, using simple commands and practical examples. Introduction DirectAdmin […]

Perl — short for Practical Extraction and Reporting Language — is a powerful, high-level programming language designed for tasks such as text processing, data parsing, network scripting, and system administration. Created by Larry Wall in 1987, Perl quickly gained popularity in the world of web development and server-side automation thanks to its flexible syntax, CPAN […]

Using Nmap on AvaHost VPS: Network Scanning and Security Auditing Nmap (Network Mapper) is a powerful, open-source tool for network discovery, security auditing, and vulnerability scanning, widely used by administrators and security professionals. Running Nmap on AvaHost’s high-performance Linux VPS, with NVMe SSDs and robust infrastructure, ensures efficient network analysis. This guide covers Nmap installation, […]

Mastering Network Monitoring with the ss Command In the fast-paced world of network administration, having the right tools to monitor and troubleshoot connections is crucial, especially when managing high-performance systems like those on ava.hosting’s Linux VPS or dedicated servers. The ss (Socket Statistics) command in Linux is a modern, powerful replacement for the outdated netstat […]

How to Install and Configure Fail2Ban on Ubuntu Fail2Ban is a vital security tool that protects Linux servers from brute-force attacks by monitoring logs and banning malicious IPs. This guide simplifies installing and configuring Fail2Ban on Ubuntu, with practical examples and tips to secure your VPS or dedicated server effectively. Why Use Fail2Ban? Fail2Ban enhances […]

Knowing your system’s CPU details is essential for monitoring performance, troubleshooting issues, and ensuring your applications run efficiently. Linux provides multiple ways to check CPU specifications using built-in commands. Here are several methods you can use to retrieve CPU information on a Linux system. 1. Using the /proc/cpuinfo File The /proc/cpuinfo file contains detailed information […]

The sed (Stream Editor) command in Linux is a powerful tool used for text processing and file modification. It allows users to search, replace, insert, and delete text in files efficiently, making it a vital command for automation and scripting. In this guide, we will explore how to use the sed command to update files […]