OpenSSH is the standard tool for secure remote access to Linux servers. It encrypts all traffic between client…
Mailtrain is an open-source, self-hosted newsletter application built on Node.js and MySQL/MariaDB. It gives you full control over…
DNS A records map hostnames to IPv4 addresses, and PTR records handle the reverse – mapping IPs back…
Running npm install on a Linux server and hitting “pngquant failed to build, make sure that libpng-dev is…
Every time you open a browser, send an email, or query an API, IP routing decides how your…
Working with CSV files is routine for sysadmins, data engineers, and developers. But loading CSVs into a full…
Visual Studio Code (VS Code) is the most popular code editor used by developers worldwide. Built by Microsoft,…
Pydio Cells is a modern, open-source file sharing and synchronization platform built on a microservices architecture. It replaces…
Zimbra uses Amavis as the gateway between Postfix and content checkers like SpamAssassin and ClamAV. Every inbound and…
EGroupware is an open-source collaboration suite written in PHP that provides calendar, email, contacts, project management, file sharing,…
Zimbra Collaboration Suite stores mailbox credentials in its internal LDAP directory. A weak password policy means accounts with…
Let’s Encrypt provides free, automated TLS certificates that expire every 90 days. When running Apache Tomcat as your…
