useradd is used to create a new user . It is also used , to set the default options , used , when creating a new user .

One of the options , that can be set , when using useradd , is the login shell .

How to assign a shell , using useradd , featured image 243 by 231

useradd is used to create a new user account , or to update the default options of creating a user .

When creating a user , using useradd , the user is assigned a group , based on the specified options , or on the default system options .

How to assign a group , using useradd , featured image 243 by 231

This tutorial , will show what is ruby , rbenv , RubyGems , gem , bundler , and cocoapods . It will also show , how to install rbenv , the commands that can be used with rbenv , how to use the gem command , and how to install cocoapods .

What is ruby , rbenv , RubyGems , gem , bundler , and cocoapods , featured image 195 by 225

With Firefox version 57 , named Firefox quantum , plugins , also known as extensions or add-ons , created using the XUL and XPCOM technologies , have stopped working .

Firefox versions before 57 , had a lot of plugins , which are still useful today . This tutorial , will show how to install a version of Firefox , with which , the old plugins still work , and it will detail the most useful plugins .

Must have old firefox extensions tutorial , featured image 242 by 232

This tutorial , will show how to install and configure , nginx and php , under macOS . It will also show , how to configure a local website , using nginx and php .

install and configure nginx and php under macos , featured image 271 by 235

stty is a tool used to set the input and output settings for the terminal communication interface . It can also read the settings of the terminal communication interface .

The terminal communication interface settings that can be set and read by stty are divided in the following categories :

 What is stty ?, featured image 228 by 228
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