Find in FILE UNIX

find . -type f -name "*.*" -exec grep -il "YOUR TEXT" {} \;

How to Send an Email from UNIX command

mail -s "here subjet of your email" to_toto@example.com

THEN type ctrl+D to send your email.

What is JSON (JavaScript Object Notation)

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999.

JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. These properties make JSON an ideal data-interchange language.

What is DOM ?

What is the DOM?

The DOM is a W3C (World Wide Web Consortium) standard.

The DOM defines a standard for accessing documents like HTML and XML:

"The W3C Document Object Model (DOM) is a platform and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of a document."

The DOM is separated into 3 different parts / levels:

Core DOM - standard model for any structured document
XML DOM - standard model for XML documents
HTML DOM - standard model for HTML documents

Find string/content in files Unix Command

Find string/content in files

find . -type f -name "*.*" -exec grep -il "PopupPic" {} \;

What is the difference between an outbound relay and an outbound gateway ?

An outbound gateway is a mail server through which all of your domain's outgoing mail flows.

An outbound relay is a mail server used to send messages from email addresses that are not part of your domain (despite being sent by a user who also has an account in your domain).

Because the messages handled by an outbound relay do not come from your domain, they do not flow through your domain's outbound gateway. (Learn more about outbound gateways.)

Why would a user use an outbound relay?

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