How to Install Nvidia Driver on Debian 9 Stretch From Command Line
This tutorial will be showing you how to install Nvidia graphics driver on Debian 9 Stretch. Debian by default uses…
2 Ways to Install PhpStorm on Ubuntu 22.04/20.04
This tutorial is going to show you 2 ways to install PhpStorm on Ubuntu 22.04 and Ubuntu 20.04. PhpStorm is…
How To Install Oracle Java 8 and OpenJDK 11 on Ubuntu 22.04, 20.04
This tutorial is going to show you how to install Oracle Java 8 and OpenJDK 11 on Ubuntu 22.04/Ubuntu 20.04.…
Fix “could not get lock /var/lib/dpkg/lock” Error Once and For All (Ubuntu)
The “could not get lock /var/lib/dpkg/lock” error is pretty common in Debian/Ubuntu running in virtual machine. Existing workarounds on the…
How to Download and Install RHEL8 For Free (Red Hat Enterprise Linux)
RHEL (Red Hat Enterprise Linux) 8 was released on May 7, 2019, 5 years after the release of RHEL 7.…
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…
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…
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…
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…
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”…
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…
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…
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…
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…
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.…
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.…
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…
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…
How to Install qBittorrent on Ubuntu 18.04 Desktop or Server
This tutorial will be showing you how to install qBittorrent on Ubuntu 18.04. qBittorrent is a free, open-source, fast and…
Expose Localhost to Internet with PageKite on Ubuntu
This tutorial will be showing you how to expose localhost to Internet with PageKit on Ubuntu. Normally if you want…
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