Ubuntu Server

getting started with UFW

How to Use UFW Firewall on Debian, Ubuntu, Linux Mint

This tutorial is going to show you how to use UFW (Uncomplicated FireWall) on Debian/Ubuntu/Linux Mint with some real-world examples.…

authoritative DNS server BIND ubuntu 18.04

Set Up BIND Authoritative DNS Server on Ubuntu 22.04/20.04

This tutorial will be showing you how to set up and run your own authoritative name server on Ubuntu 22.04/20.04…

bind caching name server ubuntu

Set Up Local DNS Resolver on Ubuntu 24.04 with BIND9

This tutorial will be showing you how to set up a local DNS resolver on Ubuntu 24.04 with the widely-used…

How to Install Plex Requests on Ubuntu 16.04, 18.04 Server

This tutorial will be showing you how to install Plex Requests on Ubuntu 16.04 and Ubuntu 18.04 server. Plex Requests…

How to Install Plex Media Server on Ubuntu 16.04 Server/Desktop

This tutorial will be showing you how to install Plex media server on Ubuntu 16.04 server/desktop. Plex is a free…

Install-Mailtrain-on-Ubuntu-16.04-nginx

Install Mailtrain Self-Hosted Newsletter App on Ubuntu 22.04 with Docker

This tutorial will show you how to install Mailtrain on Ubuntu 22.04. Mailtrain is an open-source self-hosted newsletter app, an…

subsonic-ubuntu-18.04-install

How to Install Subsonic Media Server on Ubuntu 18.04, 19.04 and Enable HTTPS

This tutorial is going to show you how to install Subsonic media server on Ubuntu 18.04, 19.04 and how to…

nginx tls 1.3 ubuntu openssl

How to Easily Enable TLS 1.3 in Nginx on Ubuntu 20.04, 18.04, 16.04

In a previous article, I explained the steps of compiling Nginx source code with OpenSSL 1.1.1 in order to enable…

ocserv client certificate authentication

Set up Certificate Authentication in OpenConnect VPN Server (ocserv)

This tutorial will be showing you how to set up certificate authentication in OpenConnect VPN server (ocserv) on Debian/Ubuntu/CentOS/RHEL. OpenConnect…

host multiple domains in Modoboa mail server

How to Host Multiple Domains in Modoboa Mail Server

This tutorial will be showing you how to set up multiple email domains (virtual hosting) with Modoboa, which is an…

host multiple email domains with iredmail

How to Host Multiple Mail Domains in iRedMail with Nginx

This tutorial will be showing you how to set up multiple email domains (virtual hosting) with iRedMail, which is an…

no-domain-under-control-iredadmin

How to Fix No Domain Under Control Error in iRedMail

While I’m setting up a mail server on Ubuntu 18.04 with iRedMail 0.9.8, I encountered the “No domain under control”…

install-mailtrain-on-ubuntu-18.04-step-by-step

Installing Mailtrain on Ubuntu 18.04 Server Without Docker

This tutorial will show you how to install Mailtrain on Ubuntu 18.04 without Docker. Mailtrain is an open-source self-hosted newsletter…

install-mailtrain-on-ubuntu-18.04-with-docker

How to Install Mailtrain on Ubuntu 18.04 with Docker

This tutorial will show you how to install Mailtrain on Ubuntu 18.04. Mailtrain is an open-source self-hosted newsletter app, an…

postfix relay domains

How to Set up a Backup Email Server with Postfix on Ubuntu (Complete Guide)

This tutorial will be showing you how to set up a backup email server with Postfix on Ubuntu. A backup…

spam test result

How to Set up Postfix SMTP Relay on Ubuntu with Mailjet

This tutorial is going to show you how to set up Postfix SMTP relay with Mailjet on Ubuntu. Postfix is…

best postfix spam filter

7 Effective Tips for Blocking Email Spam with Postfix SMTP Server

In this tutorial, I’d like to share with you my 7 tips for blocking email spam with Postfix SMTP server.…

nginx tls 1.3 ubuntu openssl

How To Enable TLS 1.3 in Nginx on Ubuntu 18.04 and 16.04

HTTPS just got faster and safer thanks to the release of TLS 1.3 by IETF (RFC 8446) in August 2018.…

install plex media server ubuntu 18.04 linux

How to Install Plex Media Server on Ubuntu 18.04 LTS Server or Desktop

This tutorial will be showing you how to install Plex media server on Ubuntu 18.04 LTS server/desktop. Plex is a…

rss2email gmail

How to Install and Use rss2email on Ubuntu

This tutorial will be showing you how to install and use rss2email on Ubuntu. Rss2email is an open-source program that…