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How to Send Mails From Command Line in Linux (Postfix)

In this tutorial, we shall be using an enhanced version of the mail command. It’s called mailx (or just mail when installed), and it can do many more things than what the older mail command from gnu mailutils package can do. How does it work The mail/mailx command needs a local smtp server (MTA) running […]

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How to Fix “AllowZoneDrifting is enabled. This is considered an insecure configuration option…”

Full Message: WARNING: AllowZoneDrifting is enabled. This is considered an insecure configuration option. It will be removed in a future release. Please consider disabling it now. Action Performed: Fix/Solution:Edit /etc/firewalld/firewalld.conf ChangeAllowZoneDrifting=yes to AllowZoneDrifting=no Reload the service.

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How to Fix “Composter detected issues in your platform” – Need PHP Extensions

Some times, your website went down due to a PHP error like below. Most likely, a certain plugin has been updated automatically. For my particular case, the problem came from the “Profile Builder”. The solution for this is easy. Getting the “bcmath” installed. That is it. In addition, I would like to set this plugin […]

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The Best and Cleanest Way to Download a Youtube Video

The best and cleanest way is with the small, open-source utility youtube-dl: https://rg3.github.io/youtube-dl/ This is a command-line only tool. Works across all OSs (Windows, macOS, Linux). Read the docs or run youtube-dl –help to get a list of options (there are many). But in general you don’t need any of the fancy options, and downloading a video is […]