Debian 11, codenamed Bullseye, was released on August 14, 2021. This tutorial is going to show you how to upgrade Debian 10 to Debian 11 from the command line. You can follow this tutorial on a Debian 10 desktop, or Debian 10 server. As with every Debian release, Debian 11 will be supported for 5… Read more => Upgrade Debian 10 Buster to Debian 11 Bullseye From Command Line ..read more

fThis tutorial will be showing you how to install FileRun on Ubuntu 20.04 LTS with Apache/Nginx web server. FileRun is a self-hosted Google Drive/Photos/Music alternative. FileRun Features No index is required. It can access files on the file system directly. Compatible with NextCloud. Automatic file versioning. 100% brandable. Upload your own logo. Extendable. There are… Read more => How to Install FileRun on Ubuntu 20.04 with Apache/Nginx ..read more

This tutorial is going to show you how to set up Postfix SMTP relay with Sendinblue on CentOS/Rocky Linux. Postfix is a popular open-source SMTP server. Previously I wrote an article on how to easily set up a full-blown email server on CentOS/Rocky Linux with iRedMail, which helped a lot of readers run their own… Read more => How to Set Up Postfix SMTP Relay on CentOS/Rocky Linux with Sendinblue ..read more

As you may already know, Red Hat decided to abandon the vanilla CentOS 8 project, which will reach end-of-life on December 31, 2021, and shift its focus to CentOS Stream. This tutorial is going to show you how to migrate from CentOS 8 to Rocky Linux 8/Alma Linux 8. CentOS 8 Alternatives There are several… Read more => How to Migrate From CentOS 8 to Rocky Linux 8/Alma Linux 8 ..read more

This article is going to explain how to create a Linux VPS (Virtual Private Server) on Kamatera, so you can run your own email server and website. ScalaHosting vs Kamatera In a previous tutorial, I explained how to create a Linux VPS server on Scalahosting, which is my recommended hosting provider for running email servers,… Read more => How to Create a Linux VPS Server on Kamatera ..read more

Apache JMeter is an open-source load testing tool, available for Linux, macOS, and Windows. In a previous tutorial, we explained how to use Netdata to monitor the performance of Apache/Nginx web servers. Apache JMeter is a great complementary tool for testing your website performance under various load scenarios. JMeter Features Simple and intuitive GUI. It… Read more => How to Use Apache JMeter to Load Test Web Applications ..read more

Tegola is an open-source vector tile server for OpenStreetMap. Previously we explained the process of setting up OSM tile server, which is a raster-based tile server. This tutorial is going to show you how to set up Tegola vector tile server on Ubuntu 20.04. Benefits of Vector Tiles Better display quality for high DPI devices… Read more => How to Set Up Tegola Vector Tile Server on Ubuntu 20.04 for OpenStreetMap ..read more

This tutorial is going to show you how to set up Postfix SMTP relay with Sendinblue on Debian. Postfix is a popular open-source SMTP server. Previously I wrote an article on how to easily set up a full-blown email server on Debian with iRedMail, which helped a lot of readers run their own email servers.… Read more => How to Set Up Postfix SMTP Relay on Debian with Sendinblue ..read more

Netdata is an open-source real-time Linux server performance monitoring tool with a beautiful web front-end. It allows you to monitor CPU, RAM usage, disk I/O, network traffic, Postfix, among many others.  Written in the C programming language, netdata is super fast and resource-efficient. Netdata Features: It helps you instantly diagnose slowdowns and anomalies in your… Read more => Linux Server Performance Monitoring with Netdata ..read more

Nginx is a very popular web server these days. This article will show you some common errors when running an Nginx web server and possible solutions. This is not a complete list. If you still can’t fix the error after trying the advised solutions, please check your Nginx server logs under /var/log/nginx/ directory and search… Read more => How to Fix Common Nginx Web Server Errors ..read more