Set Up OpenConnect VPN Server (ocserv) on Rocky Linux 9/AlmaLinux 9
This tutorial is going to show you how to run your own VPN server by installing OpenConnect VPN server on…
Part 3: PostfixAdmin – Create Virtual Mailboxes on Rocky Linux 9/Alma Linux 9 Mail Server
In previous articles, we discussed how to set up your own mail server on Rocky Linux 9/Alma Linux 9 from…
Part 2: Install Dovecot IMAP Server on Rocky Linux 9/Alma Linux 9 & Enable TLS Encryption
This is part 2 of building your own email server from scratch on Rocky Linux 9/Alma Linux 9 tutorial series.…
Run Email Server on Rocky Linux 9/Alma Linux 9 – Postfix SMTP Server
Why run your own email server? Perhaps you have a website, which needs to send emails to users, or maybe…
How to Set Up Postfix SMTP Relay on CentOS/Rocky Linux with Sendinblue
This tutorial is going to show you how to set up Postfix SMTP relay with Sendinblue on CentOS/Rocky Linux. Postfix…
How to Migrate From CentOS 8 to Rocky Linux 8/Alma Linux 8
As you may already know, Red Hat decided to abandon the vanilla CentOS 8 project, which will reach end-of-life on…
How to Install Webmin on CentOS 8/RHEL 8 Server
Webmin is a free and open-source control panel for administering Unix/Linux servers. This tutorial will be showing you how to…
How to Secure Email Server Against Hacking with VPN (CentOS/RHEL)
In this tutorial, I’m going to share with you my tips and tricks to secure CentOS/RHEL email servers against hacking…
Set Up SSH Two-Factor Authentication (2FA) on CentOS/RHEL Server
This tutorial will show you how to set up SSH two-factor authentication on CentOS/RHEL server using the well-known Google Authenticator.…
2 Simple Steps to Set Up SSH Public Key Authentication on CentOS
This tutorial explains how to set up SSH public key authentication on a CentOS/RHEL desktop. There’re basically two ways of…
Set Up BIND Authoritative DNS Server on CentOS 8/RHEL 8
This tutorial will be showing you how to set up and run your own authoritative name server on CentOS 8/RHEL…
How to Install qBittorrent on CentOS 8/RHEL 8 Desktop & Server
This tutorial will be showing you how to install qBittorrent on CentOS 8/RHEL 8. qBittorrent is a free, open-source, fast…
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…
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…
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…
Set Up CUPS Print Server on CentOS 8/RHEL 8 (Bonjour, IPP, Samba, AirPrint)
This tutorial will be showing you how to share a printer attached to a CentOS 8/RHEL 8 computer with Windows,…
Set Up Samba Server on CentOS 8/RHEL 8 for File Sharing
In this tutorial, we’re going to learn how to install and configure a samba server on CentOS 8/RHEL8 to share…
Set Up SpamAssassin on CentOS/RHEL to Block Email Spam
Previously we discussed 7 effective methods for blocking email spam with Postfix on CentOS/RHEL. In this tutorial, we are going…
Set Up OpenDMARC with Postfix on CentOS/RHEL to Block Email Spoofing
In previous articles, we discussed several effective tips to block email spam. This tutorial will be showing you how to…
Install and Configure OpenDKIM on CentOS 8/RHEL 8 Mail Server
Previously I showed you how to set up SPF and DKIM on CentOS/RHEL mail server. Two common pieces of software…
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