As is well known, support for Centos 7 was discontinued in the summer of 2024, and the ISPManager 6 control panel can no longer run on a server with Centos 7 installed. This raises the question for many users: what should be done and which

An error has occurred in the IP address module. The IP address “x.x.x.x” is already in use. Sound familiar? In this article, we will look at how to quickly fix the error and get back to work.

Often when opening Roundcube in ispmanager 6 panel, an error No input file specified occurs. This error in Roundcube launched through ISPmanager usually indicates problems with web server configuration or incorrect file path settings.

After upgrading ISPmanager you may need to reconfigure certificates for mail domains. The ability to connect certificates to mail domains is enabled by default only for new panel installations of version 5.66.0 or higher, so after upgrading an

A firewall (also known as a network firewall or simply a firewall) is a key element in protecting websites and servers. It controls incoming and outgoing traffic, providing protection against cyber threats based on predefined rules. This guide will

OpenLiteSpeed is a high-performance open source web server developed by LiteSpeed Technologies. It is designed to provide fast and efficient web request processing and can be used for hosting dynamic and static web applications.