faq-post

WHM (Web Host Manager) is a server-level administrative control panel developed by cPanel, LLC, that runs on Linux-based web servers. It provides root-level and reseller-level access to manage multiple cPanel accounts, configure server-wide settings, control security policies, and administer core services such as Apache, MySQL, and DNS — all through a browser-based interface. WHM operates […]

A FileZilla connection timeout error occurs when the FTP client fails to establish or maintain a connection to the remote server within the configured time threshold. The root cause is almost always one of four categories: misconfigured client settings, network-layer interference (firewalls, NAT, routers), server-side service failures, or protocol mismatch between client and server. This […]

The `public_html` directory is the document root of your website — the server-side folder from which your web server (Apache, Nginx, LiteSpeed) reads and serves all publicly accessible files when a visitor loads your domain. The `www` directory, in most shared and cPanel-based environments, is simply a symbolic link (symlink) pointing to `public_html`, existing for […]

A WHOIS lookup is a query-and-response protocol used to retrieve registration data associated with a domain name, IP address, or Autonomous System Number (ASN) from a publicly accessible database. The result includes registrant identity, administrative contacts, registration and expiration dates, nameservers, and the registrar of record — all of which are critical for domain management, […]

MVC (Model-View-Controller) is a software architectural pattern that separates an application into three distinct, interconnected components — the Model (data and business logic), the View (presentation layer), and the Controller (request handler and orchestrator). This separation allows development teams to build, test, and maintain each layer independently, making MVC the dominant structural pattern in modern […]

Email remains the backbone of digital communication for businesses and individuals alike, yet its underlying mechanics are poorly understood by most of its users. At its core, email delivery is a multi-stage relay process governed by a precise chain of protocols — SMTP for transmission, DNS MX records for routing, and IMAP or POP3 for […]

DNS (Domain Name System) is a hierarchical, distributed naming system that translates human-readable domain names — such as `www.example.com` — into machine-readable IP addresses like `192.0.2.1`. Without DNS, every internet user would need to memorize numeric addresses for every website, API endpoint, or mail server they interact with. DNS is the protocol that makes the […]

The `ulimit` command is a built-in shell utility on Unix and Linux systems that enforces per-process and per-user resource limits, preventing any single process or user from exhausting system resources such as CPU time, memory, open file descriptors, and process count. It operates at the kernel level through the `setrlimit()` system call, making it one […]

TeamSpeak is a self-hosted, low-latency voice communication platform that runs as a standalone server daemon on Linux. Installing it on a VPS gives you complete administrative control over channels, permissions, codecs, and security policies — without relying on third-party infrastructure or usage caps. This guide covers the full installation of TeamSpeak 3 Server on Ubuntu […]

The my.interserver.net portal is InterServer's centralized client area and control panel, providing account holders with direct access to service management, billing, support ticketing, domain administration, and resource provisioning. To log in, navigate to `https://my.interserver.net/` in any modern browser, enter the email address and password associated with your InterServer account, and click the Login button. Two-factor […]