Let’s talk about reading and modifying files. This post is part of the "what is sudo?" series, which aims to help understand Linux and text consoles. The cat command Using the cat command, you can view the text contents of a file: cat my_file.txt You can also
A common misconception is that things like mkdir, rm or adduser are different from things you install in your system (e.g. postgresql, or mongod). They are not. All of them are programs. Some already come installed, and others you have to install yourself. You can find out where a
Just like navigating a desktop, it is important to be able to navigate a console. This post is part of the "what is sudo?" series, which aims to help understand Linux and text consoles. Dealing with files Every folder in a system except the root folder is inside another folder.
You probably have a desk. You can put things on the desk, or move things, or pile things on top of one another. You have a folder in which you put important documents. Maybe that folder sits along many other folders in a filing cabinet. Your computer also has a
In my online courses I talk a lot about programming, design, and databases. Lately I’ve been saying more about Linux. Normally when you deploy an application to a web server, this server will be running Linux. It is important to know how to find your way in a Linux