PHP-FPM: php_value vs. php_admin_value directives explained

php_value vs. php_admin_value

php_admin_value and php_value are directives used in PHP-FPM (FastCGI Process Manager) configuration, often seen in context with web server setups like Apache or Nginx. They are used to set values for PHP's configuration directives e.g. in a PHP-FPM pool file or in the Apache server configuration. This is an alternative to changing PHP settings in ... Read more

Postfix Submission vs. Submissions (SMTPS) port

Postfix submission vs submissions port

In Postfix configuration, particularly on Debian and Ubuntu systems, you might come across terms like "submission" and "submissions" when looking into the Postfix /etc/postfix/master.cf file. This article explains the differences and use cases for both ports. Postfix Submission Port 587 This is the standard port for email submission as defined by the Internet Message Access ... Read more

How to convert RPM software packages to Debian (.deb)

The world of Linux is diverse, Linux distributions using different package management systems. RPM (Red Hat Package Manager) and Debian's DEB are two of the most common package formats. Occasionally, users of Debian-based systems might need to install software that's only available in the RPM format. This guide covers converting RPM packages to DEB format, ... Read more

How to open winmail.dat files on Ubuntu and Debian Linux

Open winmail.dat on Linux

Winmail.dat files are a unique file format utilized primarily by Microsoft Outlook. These files serve as containers for attachments sent through emails formatted in rich-text. This format can cause compatibility issues, particularly when users of non-Microsoft email clients, such as those on Linux systems, receive attachments. What is a Winmail.dat File? When an Outlook user ... Read more