Monitoring open ports is an important part of Linux server security and management. Open ports indicate which services are listening for network connections. Knowing your open ports helps prevent illegal…
Category: Servers, Hosting & Email
How to Apply Firewall Rules on Virtual Servers
September 8, 2025 / Virtual ServerThis article applies to Hyperslice VPS and Hyperslice Cloud Servers. You can set firewall rules for the network interfaces of Hyperslice virtual servers. Important: Any rules set here will be…
How to Manage and Modify user Permissions in Linux
August 21, 2025 / Servers, Hosting & EmailIn this article, we have explained how to manage and modify user permissions in Linux. On a Linux system, limiting who can do what is essential for administration and security.…
How to Restrict SSH Access by IP Address on Linux Servers
August 19, 2025 / Servers, Hosting & EmailThis guide helps you keep your Linux server safe by allowing only trusted people to connect to it via SSH. SSH is like a secure door to your server, and…
How to Detect Brute-Force Attacks on a Linux Server
July 31, 2025 / Servers, Hosting & EmailBrute-force attacks are common on public-facing Linux servers, especially through SSH. These attacks involve repeated login attempts using numerous username-password combinations to gain unauthorised access. This guide will help you…
How to use NMAP to detect open ports on your server
July 28, 2025 / Servers, Hosting & EmailThis guide explains how to install NMAP and use it to scan your server for open ports. NMAP (Network Mapper) is a powerful open-source tool used to discover hosts and…
How to rotate MySQL binary logs manually
July 23, 2025 / MySQLMySQL binary logs record all changes to the database and are important for replication and point-in-time recovery. Over time, these logs can grow large and consume disk space. While MySQL…
How to activate HTTP/2 for Apache through WHM and CMD
July 14, 2025 / cPanel & WHMIn this article, we will delve into the process of activating HTTP/2 for Apache through WHM and the command line. Let us discuss the two methods for activating HTTP/2: Method…
How to Use Cron for MySQL Backups and Auto-Deletion
July 9, 2025 / MySQLRegular backups are vital for safeguarding your MySQL data. This guide explains how to automate daily MySQL database backups using cron and how to clean up old backup files older…
How to Create a Cron Job in Linux
July 5, 2025 / Servers, Hosting & EmailCron jobs are scheduled tasks that run automatically at specified times or intervals on Linux systems. They’re useful for automating repetitive tasks such as backups, updates, or custom script execution.…
How to Track Real-Time Network Usage on Linux with nload
June 28, 2025 / Servers, Hosting & EmailTo diagnose bandwidth-related problems and preserve server health, real-time network traffic monitoring is essential. “nload” is a small, command-line utility that uses real-time graphs to display incoming and outgoing network…
How to Fix “Duplicate Log Entry for /var/lib/mysql/mysqld.log” Error in Logrotate
June 17, 2025 / cPanel & WHMThis guide explains how to fix the “Duplicate Log Entry for /var/lib/mysql/mysqld.log” error that appears when logrotate runs through cron. The error occurs because both /etc/logrotate.d/mysql and /etc/logrotate.d/mysqld contains log…
How to Set Up WP-CLI and Enable Autocomplete on a cPanel Server
May 24, 2025 / cPanel & WHMThis article covers the steps for installing WP-CLI on a cPanel server, including enabling autocomplete for quicker and more effective command usage. Before you begin, ensure the following: A server…
How to Add Swap Memory in Ubuntu 20.04
May 20, 2025 / Servers, Hosting & EmailIn this article, we have explained how to add swap memory in Ubuntu 20.04. Swap space is used in Linux systems as an overflow when the physical RAM is fully…