Dimitri Nek | Linux Tutorials for Beginners

Security Enhanced Linux (SELinux) is a mandatory access control (MAC) security mechanism implemented in the kernel. It provides a way to limit the capabilities of applications and users to the…

How to Uninstall PowerDNS on Ubuntu

PowerDNS is a versatile DNS server, offering both authoritative and recursive DNS capabilities. While it’s a powerful tool, there may be instances where you need to uninstall it from your…

How to Uninstall ClamAV on Ubuntu

ClamAV is a popular open-source antivirus software that provides a scanning capability for Linux-based systems. While it’s a valuable tool for many, there may be instances where you need to…

How to Monitor HAProxy Performance and Troubleshoot Issues

Running a high-performance, reliable web service involves more than just setting up a web server and letting it run. It requires constant monitoring and troubleshooting to ensure that everything is…

How to Use HAProxy for High Availability in Cloud Hosting

In cloud hosting, high availability is a critical factor that can significantly impact the performance and reliability of your applications. High availability refers to the ability of a system to…

How to Secure HAProxy with SSL Certificate

In the modern web, security is an absolute necessity. Data breaches and cyber threats are all too common, and as a web server administrator, it’s your responsibility to protect your…

How to Install and Configure HAProxy on a Dedicated Server

When it comes to managing a dedicated server, one of the key challenges is ensuring that web traffic is distributed efficiently and securely. This is where HAProxy comes in. HAProxy…

How to Uninstall InfluxDB on Ubuntu

InfluxDB is a popular time-series database used for monitoring, event data, and real-time analytics. While it’s a powerful tool, there might be instances where you need to uninstall it from…

How to Configure Squid Proxy to Listen on a Specific Port or IP Address

In server administration, particularly when dealing with web hosting environments, one of the most common tasks is configuring proxy servers. Proxy servers act as intermediaries between client machines and the…

How to Configure Squid Proxy Server for High Availability (with Keepalived)

In server administration, ensuring high availability is a crucial task. High availability refers to a system or component that is continuously operational for a desirably long length of time. When…

How to Block Access to ALL Websites Except ONE using Squid Proxy Server

Managing access to specific resources in your network is a crucial aspect of both personal and professional life. Whether you’re a parent wanting to limit your child’s online activity, or…

How to Setup Sysbench for CPU and Memory Benchmarking on a Linux Machine

Benchmarking is a crucial aspect of understanding the performance of any system. For webmasters and system administrators, it’s essential to know the capabilities of managed web servers, especially when hosting…