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Introduction DNS cache stores recently resolved domain names on your computer to improve browsing speed. However, after changing DNS records, updating nameservers, or pointing a domain to a new server, your system may continue using the old cached information. Flushing the DNS cache forces your computer to retrieve the latest… Continue Reading How to Flush the DNS Cache on Windows, Linux, and macOS

Introduction The “WordPress upload directory isn’t writable” error occurs when WordPress does not have permission to write files to the uploads directory. This commonly happens after installing or updating third-party plugins, changing file ownership, migrating a website, or modifying file permissions. Without write access, WordPress cannot upload media files, install… Continue Reading Resolve “WordPress Upload Directory Isn’t Writable” Server Error

Introduction ConfigServer Security & Firewall (CSF) relies on several Linux iptables kernel modules to provide advanced firewall and security features. If some of these modules are unavailable, running the CSF test (csftest.pl) will display errors such as: Although CSF can still function with basic firewall capabilities, features such as PORTFLOOD… Continue Reading How to Resolve CSF Missing iptables Modules Errors

Introduction The FAIL: ftp per_source_limit error occurs when the FTP service reaches the maximum number of connections allowed from a single IP address. This can prevent users from connecting to the FTP server. The issue can be resolved by updating the FTP service configuration. Prerequisites Implementation Step 1 Check the… Continue Reading FAIL: ftp per_source_limit

Introduction Dr.Web Antivirus in Plesk periodically sends email notifications related to virus database updates, scan results, and service status. In some environments, these notifications may be excessive and unnecessary. This article explains how to disable Dr.Web email notifications for different Plesk versions. Prerequisites Before proceeding, ensure that you have: Implementation… Continue Reading Disable Dr.Web Email Notifications in Plesk

Introduction Plesk automatically generates web statistics for hosted domains. However, there may be instances where the statistics are not updated or the latest website activity is not reflected in the Plesk panel. In such cases, you can manually process the statistics using the built-in statistics.exe utility. Prerequisites Before proceeding, ensure… Continue Reading How to Update Web Statistics for a Domain in Plesk for Windows

Introduction By default, switching to the root user using su – requires the root password. In environments where trusted administrators require frequent root access, Linux allows you to configure passwordless root access either through the wheel group or by using sudo. Prerequisites Before you begin, ensure you have: Implementation Method… Continue Reading How to Allow a Wheel User to Switch to Root Without a Password in Linux

Overview An Internal Server Error (HTTP 500) while accessing cPanel, WHM, or Webmail usually indicates a problem with the web server, cPanel services, SSL configuration, permissions, or system resources. This guide provides step-by-step troubleshooting for Linux servers running cPanel & WHM. Symptoms Users may experience one or more of the… Continue Reading How to resolve : Internal server Error when accessing cPanel/WHM/Webmail

Introduction When attempting to access an OpenVZ virtual private server (VPS) using the vzctl enter command, you may encounter the following error: In this situation, you may also be unable to establish an SSH connection to the VPS from an external system. This issue typically occurs because the pseudo-terminal (PTY)… Continue Reading Resolving “Unable to open pty: No such file or directory” in OpenVZ VPS

Introduction Email forwarding is a useful feature in cPanel that allows you to automatically redirect incoming emails from one email address to another. This is especially helpful for businesses and individuals who manage multiple email accounts and want all emails delivered to a single inbox for easier management. In this… Continue Reading How to Setup email forwarder in cPanel