Gateway Timeout on Port 443 What causes the error message “Gateway Timeout” on port 443? The “Gateway Timeout” error (HTTP status code 504) on port 443 (HTTPS) typically means that a server acting as a gateway or proxy didn’t receive a timely response from the upstream server (e.g., your web application or backend service). Here
Cloud Instance Default Username (Linux) For Linux Cloud Instances, what are the default usernames based on OS? For our Linux-based Cloud Instances, each distribution comes with a default system username that reflects the OS you’re using. Here’s a breakdown of the most common ones: Ubuntu: ubuntu CentOS: centos AlmaLinux: almalinux Rocky Linux: rocky Debian: debian
Introduction Monitoring network usage is an important aspect of managing cloud resources efficiently. To help customers avoid unexpected overage charges or downtime, the Customer Portal provides a built-in alarm system that tracks data transfer usage. By default, every customer account is automatically assigned a network usage alarm. This default alarm is triggered once bandwidth utilization
Introduction Swapping public IP addresses between cloud instances is a common networking operation that helps in minimizing downtime during infrastructure changes, software upgrades, or troubleshooting. This guide outlines the process of swapping IPv4 addresses between instances via the Customer Portal on NovaCloud or NovaGPU. The ability to swap IP addresses is particularly beneficial for users
Introduction API tokens in WHM provide a secure and efficient way to authenticate API requests without relying on the root password. These tokens serve as credentials that grant controlled access to WHM’s API, allowing system administrators, developers, and automation tools to perform a wide range of administrative tasks programmatically. Using API tokens instead of traditional
Introduction The cPanel API is a comprehensive interface that allows developers, system administrators, and hosting providers to programmatically interact with cPanel and WHM services. It enables automation of administrative tasks such as creating email accounts, managing DNS records, provisioning domains, and performing system-level operations without manually accessing the graphical user interface. cPanel offers three primary
Introduction Linux firewall management has evolved significantly over the years, with iptables being the traditional standard for configuring packet filtering rules. However, with the introduction of the nftables framework in Linux kernel 3.13 and beyond, a more modern and efficient alternative is now available. As of recent Linux distributions—such as Debian 10+, Ubuntu 20.04+, and CentOS/RHEL
Introduction Powering up a cloud instance is a routine task in managing virtual infrastructure. Instances may be stopped for maintenance, to conserve resources, or due to billing limits. The Customer Portal offers a convenient interface to manage these actions without needing technical support. This guide explains how to power up a cloud instance using the
Introduction Certificates are used in pfSense to secure connections such as VPNs, HTTPS access to the web interface, and internal services. These certificates have expiration dates, and if they are not renewed before expiry, services like OpenVPN can stop working. For example, OpenVPN Connect may show the following error if the certificate has expired or
❓ FAQ: Upgrading from CentOS 6 to CentOS Stream 10 (or Alternatives) Can I upgrade directly from CentOS 6 to CentOS Stream 10? No, a direct upgrade from CentOS 6 to CentOS Stream 10 is not supported. You will need to perform a fresh installation and migrate your applications and data manually. ⚠️ Important Note: