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Showing 6 to 7 of 7 blog articles.
1297 views · 169 days ago

![Creating a PHP Daemon Service](https://images.ctfassets.net/vzl5fkwyme3u/18L41PfcrcYYkM0qAsCous/7caca26b8cfb5a643d8cb16b14ae5eae/AdobeStock_147870533.jpeg?w=1000)

# What is a Daemon?

The term daemon was coined by the programmers of Project MAC at MIT. It is inspired on Maxwell's demon in charge of sorting molecules in the background. The UNIX systems adopted this terminology for daemon programs.

It also refers to a character from Greek mythology that performs the tasks for which the gods do not want to take. As stated in the "Reference System Administrator UNIX", in ancient Greece, the concept of "personal daemon" was, in part, comparable to the modern concept of "guardian angel." BSD family of operating systems use the image as a demon's logo.

Daemons are usually started at machine boot time. In the technical sense, a demon is considered a process that does not have a controlling terminal, and accordingly there is no user interface. Mo...

696 views · 202 days ago

![PHP Basics](https://images.ctfassets.net/vzl5fkwyme3u/6mNUFZDod2SQKm20g4YsoC/b36221b3a8260ee3047a377edc6470b1/AdobeStock_69092685.jpeg?w=1000)

It's 2018, and you're a top-notch modern web developer, with a load of knowledge and tools right there at your disposal: Google and StackOverflow, debugger with a GUI, IDE with autocomplete, you name it. Occasionally, though, you still find yourself in a plain old text console on a remote server, or you have to do something without IDE, or there is no network connection... In such cases it might be helpful to feel comfortable in a simple terminal. In this post I'm going to list some switches for the PHP command that you can use to get information and some utilities.

### Getting basic information about PHP

```

$ php -i

phpinfo()

PHP Version => 7.2.10-0ubuntu1

System => Linux awesome 4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018 x86_64

Build Date...

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