How to Set Up a VPS on Debian
Technical Articles

How to Set Up a VPS on Debian Using OpenVZ | Step-by-Step Guide

by SupportPRO Admin
written by SupportPRO Admin

Creating a Virtual Private Server (VPS) using OpenVZ allows administrators to deploy lightweight virtual environments quickly and efficiently. This guide explains how to create, configure, and manage a Debian VPS, install Apache, PHP, MySQL, and deploy phpBB. Create a Debian VPS Using OpenVZ OpenVZ templates are typically stored in: Create a new VPS using the Debian minimal template: Important:Each VPS requires a unique container ID. Here, 157 is used as an example. Configure VPS Startup Enable automatic startup at system boot: Set Hostname and IP Address Assign hostname: Assign IP address: Configure Network and Resources Set socket limits: Add DNS nameservers: Alternatively, edit the container configuration file directly: Start and Access the VPS Start the container: Set the root password: …

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SSL Certificate Not Trusted Error Causes and Fixes
Technical Articles

SSL Certificate Not Trusted Error: Causes and Fixes

by SupportPRO Admin
written by SupportPRO Admin

Have you ever wondered why, when you access a website through a secure connection, you get a warning that the certificate is not issued by a trusted authority? In most cases, the  exact warning message  that you will get depends on your browser as follows: IE: The security certificate presented by this website was not issued by a trusted certificate authority! Firefox: The certificate is not trusted because the issuer certificate is unknown. (Error code: sec_error_unknown_issuer)

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EXIM-MTA
General Topics

Exim Utilities: Essential Tools for Mail Server Administration

by SupportPRO Admin
written by SupportPRO Admin

Exim is a widely used Mail Transfer Agent (MTA) that comes pre-installed on many Linux and Unix-based systems. It is responsible for routing and delivering email messages across networks. Because of its flexibility, scalability, and powerful configuration options, Exim is commonly used on servers that manage large volumes of email traffic. To simplify administration and troubleshooting, Exim provides a variety of built-in utilities. These tools help system administrators monitor mail queues, analyze logs, manage databases, and maintain server performance. Understanding these utilities can make it easier to diagnose issues and keep your mail server running efficiently. Below are some of the most commonly used Exim utilities and their functions. Common Exim Utilities exiwhat – Check Running Exim Processes The exiwhat …

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Technical Articles

Perl Modules ..

by SupportPRO Admin
written by SupportPRO Admin

PERL MODULES What is Perl? Perl is a high-level programming language with an eclectic heritage written by Larry Wall and a cast of thousands. It derives from the ubiquitous C programming language and to a lesser extent from sed, awk, the Unix shell, and at least a dozen other tools and languages. Perls process, file, and text manipulation facilities make it particularly well-suited for tasks involving quick prototyping, system utilities, software tools, system management tasks, database access, graphical programming, networking, and world wide web programming. These strengths make it especially popular with system administrators and CGI script authors, but mathematicians, geneticists, journalists, and even managers also use Perl.

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Server Security

PHP DSO ..

by SupportPRO Admin
written by SupportPRO Admin

PHP DSO DSO – Dynamically Shared Objects Apache with PHP can be installed in two different ways. Statically embed the PHP binary into the Apache binary. This is probably the fastest and best way to run PHP Install Apache and PHP is by using Apaches DSO module Why DSO? Apache supports adding modules on instead of embedding them in the httpd binary. This works well when you dont want to re-compile Apache each time a module is updated, or if you want to add on numerous modules for development purposes System Administrators Dream: Allows developers to upgrade PHP without having to recompile Apache

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Install FFMPEG on a VPS using YUM
General Topics

Install FFmpeg on a VPS Using YUM | Step-by-Step Guide

by SupportPRO Admin
written by SupportPRO Admin

FFmpeg is a powerful multimedia framework used for video, audio, and streaming operations. This guide explains how to install FFmpeg on a VPS using the YUM package manager. Step 1: Prepare the Repository First, configure the RPM repository required for installation. Create or edit the repository file: Add the following configuration: Step 2: Configure Library Path Next, update the dynamic linker configuration: Add the following line: Then apply the changes: Step 3: Install RPMForge Repository Download and install the RPMForge release package: If you see a GPG warning, it can be safely ignored during initial setup. Step 4: Install APT (Optional Dependency Tool) Install APT to help manage dependencies: Confirm installation when prompted by typing y. Step 5: Install FFmpeg …

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Server Security

Mod_Security .. Intro

by SupportPRO Admin
written by SupportPRO Admin

Mod_Security 2.5 Need for a Webserver Security Module It is pretty difficult to secure application softwares. Common targets are Open Source software like PHPNuke. An attacker can easily find out vulnerabilities in the code. If your application is vulnerable to SQL injection, invoking the URL above may very well delete all user data from your application. You can use mod_rewrite to avoid this attack. it is very easy to detect the words drop and table, and then redirect the client away from the original URL. A determined attacker could simply invoke the same URL as above but use the POST method instead of GET. Since POST variables are not considered in the normal processing of most modules, the attack would …

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