Posts by Guoan Xiao (Admin)

postfixadmin-virtual-mailbox-domain-centos-rhel

Part 3: PostfixAdmin – Create Virtual Mailboxes on CentOS 8/RHEL 8 Mail Server

In previous articles, we discussed how to set up your own mail server on CentOS 8/RHEL 8 from scratch. In…

install dovecot imap server centos rhel

Part 2: Install Dovecot IMAP Server on CentOS 8/RHEL 8 & Enable TLS Encryption

This is part 2 of building your own email server from scratch on CentOS 8/RHEL 8 tutorial series. In part…

Run Your Own Email Server on CentOS – Postfix SMTP Server

Run Your Own Email Server on CentOS 8/RHEL 8 – Postfix SMTP Server

Why run your own email server? Perhaps you have a website, which needs to send emails to users, or maybe…

Postfix SMTP relay centos rhel

How to Set Up Postfix SMTP Relay on CentOS with Mailjet

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

bind dns resolver centos 8 rhel 8

Set Up Your Own BIND9 DNS Resolver on CentOS 8/RHEL 8/Rocky Linux 8/Alma Linux 8

This tutorial will be showing you how to set up a local DNS resolver on CentOS 8/RHEL 8, with the…

install-centos-8-on-vps-in VNC

How to Install CentOS 8 on VPS in VNC Mode

This tutorial is going to show you how to install CentOS 8 on a VPS (virtual private server) in VNC…

How to Host Multiple Mail Domains in PostfixAdmin on Ubuntu

This tutorial will be showing you how to set up multiple mail domains (virtual hosting) on Ubuntu server with PostfixAdmin,…

install openconnect ocserv VPN server centos 8

Set Up OpenConnect VPN Server (ocserv) on CentOS 8/RHEL 8 with Let’s Encrypt

This tutorial is going to show you how to run your own VPN server by installing OpenConnect VPN server on…

postfixadmin virtual mailbox domain ubuntu

Part 3: PostfixAdmin – Create Virtual Mailboxes on Ubuntu Mail Server (PostgreSQL)

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

atomic wallet linux

How to Install and Use Atomic Wallet on Linux

Atomic wallet is a universal multi-assets cryptocurrency wallet. It can run on Linux, macOS, Windows, Android, and iOS. In this…

gnome terminal is a terminal emulation application

Linux Terminal and Console Explained For Beginners

Terminal is the interface through which you type cryptic Linux commands, but is terminal just a window with command prompt…

install roundcube webmail ubuntu 18.04

Install Roundcube Webmail on Ubuntu 22.04/20.04 with PostgreSQL

Roundcube is a free open source, full-featured webmail client written in PHP. A webmail is a mail client in your…

how to stop my emails being marked as spam gmail

7 Effective Tips to Stop Your Emails Being Marked as Spam

In previous articles, we discussed how you can easily set up your own email server with iRedMail or Modoboa, or…

safervpn-linux-desktop

How To Use SaferVPN on Linux – 81% Off

SaferVPN is a VPN service provider from Israel. In this article, I’m going to show you how to use SaferVPN…

youphptube-self-hosted-alternative-to-youtube-ubuntu-18.04

How to Install AVideo/YouPHPTube on Ubuntu 18.04 Server

This tutorial is going to show you how to run your own video-sharing website with AVideo (formerly YouPHPTube) on Ubuntu…

vultr-coupon-code-2019

Vultr Coupon Code 2020 – $150 Free Hosting Credit

Vultr is a big player in the cloud hosting space. This article is going to explain server types at Vultr…

ssh client windows

3 Ways to Use SSH on Windows to Log Into Linux Server

This tutorial is going to show you 3 ways to log into Linux server on Windows via SSH. What’s SSH?…

upgrade ubuntu 18.04 to 19.10 from command line

Upgrade Ubuntu 18.04 to Ubuntu 19.10 Directly From Command Line

In a previous article, I explained how to upgrade Ubuntu 18.04 and Ubuntu 19.04 to Ubuntu 19.10. However, because Ubuntu…

upgrade ubuntu 18.04, ubuntu 19.04 to ubuntu 19.10

2 Ways to Upgrade Ubuntu 18.04/19.04 To Ubuntu 19.10 (GUI & Terminal)

Ubuntu 19.10, codenamed Eoan Ermine, will be released on October 17, 2019. This tutorial is going to you 2 ways…

install lamp stack centos 8 rhel 8

How to Install LAMP Stack on CentOS 8/RHEL 8

This tutorial is going to show you how to install LAMP stack on CentOS 8 and RHEL 8. What’s LAMP…