Posts by Xiao Guoan (Admin)

ntopng traffic flow analysis

How to Install ntopng Traffic Analysis Tool on Ubuntu Server

ntopng (ntop next generation) is a high-speed web-based traffic analysis and flow collection tool. This tutorial is going to show…

PostfixAdmin Virtual Mailboxes on Debian Mail Server PostgreSQL

Part 3: Set Up PostfixAdmin Virtual Mailboxes on Debian Mail Server (PostgreSQL)

In previous articles, we discussed how to set up your own mail server on Debian from scratch. In part 1…

ldap account manager login page

How to Set Up OpenLDAP Server on Debian 11

In this tutorial, we are going to take a look at installing and Configuring OpenLDAP server on Debian 11. We…

How to Easily Transfer Old Emails to Your New Email Server

How to Easily Transfer Old Emails to Your New Email Server

In previous article, we discussed 5 best business email hosting solutions. This tutorial is going to show you how to…

About Thunderbird

How to Encrypt Emails with OpenPGP in Thunderbird (2022)

In previous parts of the GPG tutorial series, I explained how GPG encryption works. In this tutorial, you will learn…

A Practical GPG Guide Part 3 Encrypt and Decrypt Message

A Practical GPG Guide Part 3: Encrypt and Decrypt Files

In part 2, I explained how to upload a public key to a key server and import public key to…

A Practical Guide to GPG Part 2 Public Key Management

A Practical Guide to GPG Part 2: Public Key Management

In part 1 of this GPG tutorial series, you learned the benefits of GPG and generated your public/private key pair.…

A Practical Guide to GPG Generate Your PublicPrivate Key Pair

A Practical Guide to GPG Part 1: Generate Your Public/Private Key Pair

This tutorial series will teach you how to use GPG (Gnu Privacy Guard) in the Linux terminal, so you will…

Install NextCloud on Ubuntu 22.04 (Nginx + PostgreSQL + PHP8)

Install NextCloud on Ubuntu 22.04 (Nginx + PostgreSQL + PHP8)

This tutorial will be showing you how to install NextCloud on Ubuntu 22.04 LTS with Nginx web server. What’s NextCloud?…

install passbolt ubuntu self-hosted password manager

How to Install Passbolt with PostgreSQL on Ubuntu 22.04 Server

Passbolt is an open-source self-hosted password manager, which allows you to securely store and share login credentials of website, router…

Protect Your Eyes From Computer Screen with IRIS

Protect Your Eyes From Computer Screen Harm with IRIS

Iris is an eye protection software available for Linux, macOS, Windows, ChromeOS, Android, iOS, and Windows Phone. This tutorial will…

2 Ways to Upgrade Ubuntu 21.10 To Ubuntu 22.04

2 Ways to Upgrade Ubuntu 21.10 To Ubuntu 22.04 (Graphical & Terminal)

Ubuntu 22.04 Jammy Jellyfish will be released on April 21, 2022. This tutorial is going to show you 2 ways…

2 Ways to Upgrade Ubuntu 18.04 To Ubuntu 20.04

2 Ways to Upgrade Ubuntu 20.04 To Ubuntu 22.04 (Graphical & Terminal)

Ubuntu 22.04 Jammy Jellyfish will be released on April 21, 2022. This tutorial is going to show you 2 ways…

ScalaHosting Managed VPS email server

5 Best Business Email Hosting Solutions in 2022

In this article, I’m going to introduce the 5 best business email hosting solutions, so you will have your own…

How to Set Up ScalaHosting Managed VPS Email Server

How to Set Up ScalaHosting Managed VPS Email Server

ScalaHosting is my recommended VPS (Virtual Private Server) provider for running email servers and websites. This article is going to…

How to Install Mailtrain v2 on Ubuntu 20.04 Server

How to Install Mailtrain v2 on Ubuntu 20.04 Server

This tutorial will show you how to install Mailtrain v2 on Ubuntu 20.04 without Docker. Mailtrain is an open-source self-hosted…

PostfixAdmin – Create Virtual Mailboxes on Debian Mail Server

Part 3: PostfixAdmin – Create Virtual Mailboxes on Debian 11/10 Mail Server

In previous articles, we discussed how to set up your own mail server on Debian from scratch. In part 1…

Install Mautic Self-Hosted Email Marketing on Debian 11

Install Mautic Self-Hosted Email Marketing on Debian 11

This tutorial will be showing you how to set up Mautic email marketing platform on Debian 11 with Apache or…

iredadmin-debian-11-bullseye-mail-server

How to Easily Set Up a Mail Server on Debian 11 Bullseye with iRedMail

Setting up your own email server on Linux from scratch is a pain in the butt, if you are not…

Connect to Wi-Fi From Terminal on Debian with WPA Supplicant

Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant

This tutorial is going to show you how to connect to Wi-Fi network from the command line on Debian 11/10…