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Linux & Unix

PHP-FPM: php_value vs. php_admin_value directives explained

php_admin_value and php_value are directives used in PHP-FPM (FastCGI Process Manager) configuration, often seen in context with web server setups…

How to Add Directory to PATH Variable in Linux

What is the PATH variable? In Linux, executable files reside in many different directories. But you may have noticed that…

Postfix Submission vs. Submissions (SMTPS) port

In Postfix configuration, particularly on Debian and Ubuntu systems, you might come across terms like "submission" and "submissions" when looking…

How to enable port 587 (submission) in postfix

pSome internet access providers have port 25 disabled in their routers to prevent spam. If you run your own email…

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…

Upload and Download files on Linux Shell using FTP command

Linux offers a powerful tool for file transfer on the shell: the FTP command. FTP (File Transfer Protocol) is a…

[SOLVED] nginx server error: 413 Request Entity Too Large

The Nginx web server has a max. body size limit of 1 MB for requests as default. This might be…

How to Restart a Docker Container

To restart a Docker container, you can use the docker restart command. This command stops and then starts the specified…

5 Free PDF Readers in Ubuntu / Debian Linux

The PDF file format is the conventional document format for sharing text files over the internet. Whether it's for professional,…

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

Winmail.dat files are a unique file format utilized primarily by Microsoft Outlook. These files serve as containers for attachments sent…

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