Posts by Xiao Guoan (Admin)

Set Up Apache Guacamole Remote Desktop on Debian 10 Buster

Set Up Apache Guacamole Remote Desktop on Debian 10 Buster

This tutorial will be showing you how to set up Guacamole remote desktop on Debian 10 server. Guacamole is a…

gucamole xfce4 remote desktop

Set Up Apache Guacamole Remote Desktop on Ubuntu 20.04 Server

This tutorial will be showing you how to set up Guacamole remote desktop on Ubuntu 20.04 server. Guacamole is a…

iredadmin-debian-9-stretch-mail-server

How to Easily Set Up a Mail Server on Debian 9 Stretch with iRedMail

Setting up your own email server on Linux from scratch is a tedious process, a pain in the butt if…

microsoft outlook ip blacklist

How to Deal With the Microsoft Outlook IP Blacklist

In previous tutorials, I explained how you can easily set up your own mail server using iRedMail or Modoboa, and…

ssh two factor authentication ubuntu

Set Up SSH Two-Factor Authentication (2FA) on Ubuntu Server

This tutorial will show you how to set up SSH two-factor authentication on Ubuntu server using the well-known Google Authenticator.…

Set-Up-a-Full-Featured-Mail-Server-on-CentOS-7-with-iRedMail

How to Easily Set Up a Full-Featured Mail Server on CentOS 7 with iRedMail

Setting up your own email server on Linux from scratch is a long and tedious process, a pain in the…

canonical live patch

Canonical Livepatch Service: Patch Linux Kernel on Ubuntu without Reboot

In this tutorial we’re going to learn how to patch Linux kernel on Ubuntu without reboot using the Canonical Livepatch…

Set Up Automatic Security Update on ubuntu

Set Up Automatic Security Update (Unattended Upgrades) on Ubuntu

This tutorial is going to show you how to set up automatic security update, aka unattended upgrades, on Ubuntu. If…

How to Create DNS Records in NameCheap

How to Create DNS Records in NameCheap

NameCheap is my recommended domain registrar, because the price is low and they give whois privacy protection free for life.…

Set Up OpenStreetMap (OSM) Tile Server on Debian 10 Buster

Set Up OpenStreetMap (OSM) Tile Server on Debian 10 Buster

OpenStreetMap (OSM) is a user-contributed, freely-editable world map. You can think of it as an open-source and self-hosted alternative to…

How to Install Shadowsocks-Libev Proxy Server on Debian 10 VPS

This tutorial will be showing you how to install Shadowsocks proxy server on a Debian 10 VPS (Virtual Private Server).…

How to Install Syncthing on Debian desktop/server

This tutorial will show you how to install Syncthing on Debian. Syncthing is a free, peer-to-peer continuous file synchronization program…

Install Syncthing on Ubuntu 16.04

How to Install Syncthing on Ubuntu Desktop/Server

This tutorial will show you how to install Syncthing on Ubuntu. Syncthing is a free, peer-to-peer continuous file synchronization program…

Install Nginx Amplify on CentOS 8 HEL 8 to Monitor LEMP Stack Peformance

Install Nginx Amplify on CentOS 8/RHEL 8 to Monitor LEMP Performance

Nginx Amplify is a free, flexible and powerful way to analyze the load and performance of Nginx and Nginx Plus…

best postfix spam filter

7 Effective Tips for Blocking Email Spam with Postfix on CentOS/RHEL

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

How to Easily Set Up a DNS over TLS Resolver with Nginx on Ubuntu

This tutorial will be showing you how to set up your own DNS over TLS (DoT) resolver on Ubuntu with…

install-plex-media-server-ubuntu-20.04-lts-focal

How to Install Plex Media Server on Ubuntu 20.04 LTS Server/Desktop

This tutorial will be showing you how to install Plex media server on Ubuntu 20.04 LTS server/desktop. Plex is a…

response-policy-zone-bind

Set Up Response Policy Zone (RPZ) in BIND Resolver on Debian/Ubuntu

This tutorial will be showing you how to override public DNS records in your BIND DNS resolver with response policy…

response-policy-zone-bind-centos

Set Up Response Policy Zone (RPZ) in BIND Resolver on CentOS/RHEL

This tutorial will be showing you how to override public DNS records in your BIND DNS resolver with response policy…