Postfix is a popular, high-performance Mail Transfer Agent (MTA) that routes and delivers email. This guide installs and configures Postfix as an outgoing SMTP server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A registered domain name DNS MX records pointing to your server A user with […]
Dovecot is a secure, open-source IMAP and POP3 server that works alongside Postfix to deliver email to mail clients. This guide installs and configures Dovecot IMAP on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Postfix installed and configured A domain name with MX records A user with […]
DKIM, SPF, and DMARC are email authentication standards that prevent spoofing and improve email deliverability. This guide configures all three on a Postfix server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Postfix installed and running Access to your domain DNS records A user with sudo privileges […]
GitLab Community Edition is a full-featured DevOps platform that combines Git repository management, CI/CD pipelines, issue tracking, and a container registry in a single application. This guide installs GitLab CE on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 4 GB RAM (8 GB recommended) A domain […]
Postfix is a high-performance, secure, and widely used Mail Transfer Agent (MTA). It handles the SMTP protocol for sending and relaying email. This guide installs and configures Postfix as an internet-facing SMTP server on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with a fully qualified domain name (FQDN) […]
Dovecot is a secure, open-source IMAP and POP3 server. It allows email clients to retrieve messages stored on the server. Combined with Postfix, Dovecot completes a full mail server stack. This guide installs Dovecot on Ubuntu 26.04 LTS with TLS and Maildir storage. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]
DKIM (DomainKeys Identified Mail), SPF (Sender Policy Framework), and DMARC (Domain-based Message Authentication, Reporting and Conformance) are three DNS-based email authentication standards that protect your domain from spoofing and significantly improve email deliverability. This guide configures all three on Ubuntu 26.04 LTS with Postfix. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
ClamAV is the most popular open-source antivirus engine for Linux. While Linux malware is less common than on other platforms, ClamAV is valuable for scanning files shared with Windows users, email servers, and web upload directories. This guide installs and configures ClamAV on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu […]
GitLab Community Edition (CE) is a self-hosted Git repository platform with built-in CI/CD, issue tracking, container registry, and merge request workflows. This guide installs GitLab CE on Ubuntu 26.04 LTS using the official Omnibus package. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with at least 4 GB RAM and 2 CPUs […]
How to Set Up a Build Server with MSBuild on Windows Server 2012 R2 MSBuild (Microsoft Build Engine) is the foundational build system for .NET and C++ projects on the Windows platform. Setting up a dedicated MSBuild build server on Windows Server 2012 R2 enables your team to perform automated, reproducible builds of Visual Studio […]
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