Posts by Xiao Guoan (Admin)

Set Up a Secure FTP Server on Debian 10 with Pure-FTPd

How to Set Up a Secure FTP Server on Debian 10 with Pure-FTPd

Pure-FTPd is a free open-source FTP server designed with security in mind. In this tutorial, we are going to learn…

Set Up DNS over HTTPS (DoH) Resolver on Debian with DNSdist

Set Up DNS over HTTPS (DoH) Resolver on Debian with DNSdist

This tutorial will be showing you how to set up your own DNS over HTTPS (DoH) resolver on Debian with…

Ubuntu 20.04 openlitespeed

Install OpenLiteSpeed, MariaDB, PHP8.0 on Ubuntu 20.04/18.04 Server

This tutorial is going to show you how to install LOMP stack (OpenLiteSpeed, MariaDB, and PHP8.0) on Ubuntu 20.04/18.04. A…

Set Up Postfix SMTP Relay on Ubuntu with Sendinblue

How to Set Up Postfix SMTP Relay on Ubuntu with Sendinblue

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

best cloud storage

What Are The Best Cloud Storage Providers? Here Are The Top 6

Cloud storage providers offer an easy-to-use, secure, and accessible solution, making them more popular than ever. Cloud storage involves storing…

port knocking

Use Port Knocking To Secure SSH Service (Debian/Ubuntu)

In this tutorial, I’m going to show you how to use port knocking to secure SSH service on Debian and…

note taking apps on Linux

The Best Note Taking Apps for Students to Install on Linux

Everyone is taking notes. Students take notes when they attend classes, when they study, research, and so on. Taking notes…

pgp signature

How to Verify PGP Signature of Downloaded Software on Linux

PGP (Pretty Good Privacy) is a public key cryptography software that can be used to encrypt and sign data communication.…

application security

10 Steps in Application Security Assessment

If you are a web-based company or even a company that uses the internet for any purpose, application security assessment…

WireGuard Mesh VPN Encryption for MariaDB Galera Cluster

WireGuard Mesh VPN Encryption for MariaDB Galera Cluster

This tutorial is going to show you how to build a WireGuard mesh VPN and use it to encrypt replication…

Upgrade Ubuntu 20.04 20.10 To 21.04

2 Ways to Upgrade Ubuntu 20.04/20.10 To 21.04 (GUI & Terminal)

Ubuntu 21.04, codenamed Hirsute Hippo, is released on April 22, 2021. This tutorial is going to you 2 ways to…

how to install suitecrm on ubuntu 20.04

How to Install SuiteCRM on Ubuntu 20.04 with Apache/Nginx

This tutorial will be showing you how to install SuiteCRM on Ubuntu 20.04 with Apache or Nginx web server. SuiteCRM…

how-to-install-mediawiki-on-ubuntu-20.04-lts

How to Install MediaWiki on Ubuntu 20.04 with Apache/Nginx

This tutorial is going to show you how to install MediaWiki on Ubuntu 20.04. MediaWiki is the backend software that…

install shlink on ubuntu_ self hosted url shortener

How to Install Shlink URL Shortener on Ubuntu 20.04 Server

Shlink is an open-source self-hosted URL shortener, which allows you to shorten URLs and serve them under your own short…

How to Use Clonezilla Live to Back Up Your Hard Drive

How to Use Clonezilla Live to Back Up Your Hard Drive

This tutorial is going to show you how to use Clonezilla Live to back up your hard drive. Clonezilla is…

how to encrypt dropbox on ubuntu

2 Ways to Encrypt Dropbox Files on Ubuntu Desktop & Server

If you are wondering “is Dropbox safe for confidential files”, you have come to the right place. This tutorial shows…

Install ProjectSend on Ubuntu 20.04 with Nginx (LEMP Stack)

Install ProjectSend on Ubuntu 20.04 with Nginx (LEMP Stack)

This tutorial will be showing you how to install ProjectSend on Ubuntu 20.04 LTS with Nginx web server. What’s ProjectSend?…

kodi add-ons youtube video

How to Install the YouTube Add-on in Kodi

In a previous tutorial, we explained how you can install LibreELEC on a Raspberry Pi to set up a home…

2 Ways to Upgrade Nextcloud [Command-Line & GUI]

2 Ways to Upgrade Nextcloud [Command-Line & GUI]

It’s important to keep your Nextcloud server up to date with the latest security and bug fixes. This tutorial is…

Install OSRM on Ubuntu 20.04 - open source routing machine

How to Install OSRM on Ubuntu 20.04 – Open Source Routing Machine

OSRM (Open Source Routing Machine) is a super fast routing engine for OpenStreetMap (OSM) road networks. In previous tutorials, we…