Linux System Administration

Mail Server Postfix Dovecot & SpamAssassin on Ubuntu 20.04

How to Install a Mail Server on Debian/Ubuntu Using Postfix, Dovecot, and MariaDB (MySQL) Ubuntu 20.04 This article is a detailed manual on how to set up manually a secure email server using Postfix, Dovecot, and the open version of MySQL – MariaDB. The guide is for Debian/Ubuntu based distros, but it will include some …

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PPA Repository

List Add & Remove PPA Repository in Ubuntu & Debian

PPA aka Personal Package Archive are repositories designed to deliver software. Apt package manager makes use of these servers; downloads and installs the software programs they contain. The Apt package manager stores its repository database in /etc/apt/sources.list file. Also it reads the files in the  /etc/apt/sources.list.d directory to get information for the available third party …

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How To Install Configure Config Server Firewall on Centos7

Config Server Firewall Security Application For Linux Servers Config Server Firewall is a free security application tested on almost all mainstream RedHead and Debian derivative Linux distribution. It is also works with the most popular virtual servers. It is a firewall configuration script that provides better security for your server using advanced interface for managing …

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Adding ConfigServer Firewall Blocks To Cloudflare

Why Adding ConfigServer Firewall Blocks To Cloudflare Ideally after installing mod_cloudflare on Apache, we should be able to get the real IP of the visitors. This is true for any application that is in operation after Apache. Unfortunately, the firewall runs before mod_cloudflare comes into effect. This means csf doesn’t see the correct remote IP …

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