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Configure Postfix to Use Gmail SMTP Relay

Configure Postfix to Use Gmail SMTP on Ubuntu 20.04

Welcome to our tutorial on how to configure Postfix to use Gmail SMTP on Ubuntu 20.04 to relay mails. Postfix is a free and open-source

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Latest Posts

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

How to Set Up PXE Boot Server on Ubuntu 24.04: Step-by-Step Guide

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

How to Install NoMachine on AlmaLinux 10

Install NoMachine on Rocky Linux 10

Install and Configure xrdp Server on AlmaLinux 10

Containers

Install and Run MariaDB as a Docker Container

Install Portainer on Debian 11/Debian 10

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Deploy Multinode OpenStack using Kolla-Ansible

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

How to Deploy WordPress as a Docker Container

Security

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

Install and Setup Security Onion on VirtualBox

Install and Configure AIDE on Ubuntu 18.04

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install and Setup GVM 11 on Ubuntu 20.04

How to Enable Secure Shell (SSH) server on OPNsense

Monitoring

Install and Setup Prometheus on Ubuntu 20.04

Install Nagios Plugins on CentOS 8

Install Nagios NRPE Agent on Rocky Linux 8

Install Elastic Stack 7 on Fedora 30/Fedora 29/CentOS 7

Install and Setup Velociraptor on Ubuntu 20.04

Install Fleet Osquery Manager on Oracle Linux

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