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Revision as of 00:30, 15 January 2021

Title of the script: Installation of Rust on Linux OS

Author: Jayesh Katta Ramalingaiah

Domain Reviewer:

Novice Reviewer: Praveen S

Keywords: Rust, version, rustc, cargo, rustup


Visual Cue
Narration
Slide: Title Welcome to the spoken tutorial on Installation of Rust on Linux OS.
Slide:

Learning Objectives

In this tutorial, we will learn:


  • How to install Rust.
  • Create and execute a Rust file


Slide: System Specifications This tutorial is recorded using:
  • Ubuntu Linux OS version 18.04
  • Rust version 1.47.0
  • Visual Studio Code version 1.45.0 (code editor)

However you may use any other editor of your choice.

Slide: Pre-requisites To practice this tutorial,
  • You need an internet connection to install the necessary packages and
  • You should be familiar with basic Linux commands.
  • If not, please go through the prerequisite Linux tutorials on this website.


Slide: Code files
  • The files used in this tutorial are available in the Code files link on this tutorial page.
  • Pls download and extract the file.
  • Make a copy and then use it for practising.


Only narration Let us begin with the installation of Rust.
Show commands.txt in text editor I have opened the Commands.txt file in a text editor on my machine.


And I will use the same file to copy-paste the commands during the demonstration.


Shortcut to paste commands on the terminal is Shift, Ctrl and V keys.

Narration only Let us begin.
Press Ctrl+Alt+T keys Open the terminal by pressing Ctrl,Alt and T keys simultaneously on the keyboard.


Ensure that you have root permissions to run the commands.

Only Narration Here onwards, please remember to press the Enter key after typing each command.
[Terminal]


Type:

sudo apt-get install curl -y

[Enter]

We will be installing Rust with the help of the curl command line tool.


So, we have to first install curl if we haven’t done so earlier.


To do so type the command as shown on the terminal.

[Terminal]

Enter admin password

If prompted enter the admin password to proceed further.
[Terminal] Type:


curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf | sh

[Enter]

We have successfully installed curl.


Next let us download and install Rust using Curl.


To do so type the command as shown on the terminal.

Only Narration The download may take some time depending upon your internet speed.
[Terminal] Highlight one by one:


Proceed with installation (default)

Customize installation

Cancel installation

Once the package is downloaded, we will be prompted to choose one of the following options:


Proceed with installation (default)


Customize installation


Cancel installation

[Terminal] Type: 1 [Enter] To proceed with the default installation, type 1 and press Enter.
[Terminal] Highlight:

Rust is installed now. Great!

We have successfully installed Rust.
[Terminal] Type:


sudo reboot [Enter]

Once the installation is done, we need to restart our computer.


To do so, type sudo reboot in the terminal.


This will restart your computer.

Press Ctrl+Alt+T keys Once you have restarted the computer, open the terminal again
[Terminal] Type:


rustc --version [Enter]

Now let us cross verify the Rust installation.


Type the command as shown in the terminal.

[Terminal] Highlight:

rustc 1.47.0

This command shows the version of Rust installed in your computer.


The version number may be different in your case.

[Terminal] Type:

rustup [Enter]

Now type rustup on the terminal.
Only narration This shows us a list of Rust commands to run.


rustup is responsible for the complete Rust installation using the curl command.

Slide: Rust Update


rustup update [Enter]

If you wish to update your Rust version, then execute this command on the terminal.
Slide: rustup toolchain list rustup toolchain command lists the various toolchains of Rust installed in your machine.


For now, I have only one stable version installed.


If you have any other versions, then that version would be displayed.

Slide: cargo cargo is a package manager to maintain a Rust project with dependencies.
[Terminal] Type:


cargo [Enter]

You can check whether cargo is installed or not using the cargo command in the terminal.


This shows a list of commands which can be executed using cargo.

[Terminal] Type:

cargo --version [Enter]

This command shows the version of the cargo package manager installed in your machine.
Slide: Common Errors After Installation
  • System restart is required after installing rust.
  • If not, we could land with these errors
    • Rustup
    • Rustc
    • Cargo - command not found


Only narration Next let us learn how to create and execute a Rust file.
Open Visual Studio Code editor. You may use any editor of your choice.


I will use Visual Studio Code editor for this demonstration.

[Editor] Type:


fn main() {

println!("Hello World");

}

In the code editor, type the code as shown.
[Editor] Highlight:

fn main(){

}

This is our main function.
[Editor] Highlight: fn The keyword - fn is used as a syntax to create a function in Rust.
[Editor] Highlight: main() main indicated the name of the function.


The Rust execution starts from the main function.

[Editor] Highlight:

{

}

The code written in between the open and closed curly braces would be the function body.
[Editor] Highlight print! Print!() is the print function in Rust.
[Editor] Highlight

Hello World

Here we have written Hello World in double quotes as a parameter in the function call.
[Editor] Highlight

print!(“Hello World”)

So, when we run the program, hello world gets printed.
Press Ctrl + S Let us save the file by pressing Ctrl + S keys together.
Point to Save As dialog box Save dialog box opens.
Point to Name >> type "hello-world.rs" In the Name field type the name of the file as hello-world.rs
Highlight .rs The extension .rs states that this is a Rust code file.
Select Desktop location


Create MyRustProject folder

On the left side, I’ll select Desktop and then create a folder named MyRustProject.
Point to MyRustProject From now on, I will be saving my Rust files in this folder.
Click on Save button. Then click on the Save button at the top right corner of the dialog box.
We have created a Rust file and have written the hello world program.


Now, it’s time to compile and run the file.

Switch to terminal Switch back to the terminal.
[Terminal] Type:


cd Desktop/MyRustProject

[Enter]

Using cd command go to the location where the Rust file is saved.


In my case, it is MyRustProject on the Desktop.

[Terminal] Type:


rustc hello-world.rs [Enter]

To compile type rustc space filename with extension .rs


In my case it is hello-world.rs

[Terminal] Type:


./hello-world [Enter]

The compilation is done without any error.


Now, to run type the dot slash filename and press Enter.


In my case it is ./hello-world

[Terminal] Highlight:

Hello World

Hello world text gets printed.
Slide: Common Errors


sudo apt install build-essential

  • You could land up with this error while compiling - linker ‘cc’ not found.
  • It means you don’t have gcc in your machine.
  • To resolve this, install the build essentials with this command.


Only narration


We have successfully installed Rust and executed the hello world program.


With this we have come to the end of this tutorial, let’s summarize.

Slide: Summary In this tutorial, we have learnt


  • How to install Rust
  • Some basic Rust commands
  • How to overcome common errors during installation
  • Create and execute Rust file


Slide: Assignment As an assignment,
  • Create a file assignment.rs
  • Print - ‘Welcome to Spoken Tutorials!’
  • Compile and execute the file.
  • Observe the output in the Terminal


Slide: About Spoken Tutorial Project
  • The video at the following link summarises the Spoken Tutorial project.
  • Please download and watch it


Slide: Spoken tutorial workshops
  • We conduct workshops using spoken tutorials and give certificates.
  • For more details, please write to us.


Slide:Answers for THIS Spoken Tutorial
  • Do you have questions in THIS Spoken Tutorial?
  • Please visit this site
  • Choose the minute and second where you have the question
  • Explain your question briefly
  • The Spoken Tutorial project team will ensure an answer
  • You will have to register on this website to ask questions.


Slide: Forum for specific Questions
  • The Spoken Tutorial forum is for specific questions on this tutorial.
  • Please do not post unrelated and general questions on them.
  • This will help reduce the clutter.
  • With less clutter, we can use these discussions as instructional material.


Slide: Acknowledgement Spoken Tutorial Project is funded by Ministry of Education, Government of India
Slide: Thanks This is Jayesh signing off. Thank you for joining

Contributors and Content Editors

Kr.jayesh, Nancyvarkey, Pravin1389

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