‍Rust is a powerful programming language that prioritizes performance, type safety, and concurrency. It is a multi-paradigm language that enforces memory safety, ensuring that all references point to valid memory without the need for a garbage collector or reference counting. In this article, we will guide you through the process of installing Rust on your AlmaLinux 8 system.

Prerequisites

Before we begin, ensure that you have the following prerequisites:

• A system with AlmaLinux 8 installed and running.
• A minimum of 2GB of RAM.
• Root access to the system.

Additionally, Rust requires several development tools. You can install them using the following command:

dnf install curl epel-release cmake gcc make -y

Updating the System

Before installing Rust, it is essential to ensure that your system is up-to-date. You can do this by running the following command:

dnf check-update
dnf update -y

Installing Rust

To install Rust on your AlmaLinux 8 system, we will use the rustup command-line tool. Follow the steps below:

1. Run the following command to install curl and download the rustup command:

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

2. After the download is complete, you will see the installation prompt. Press Enter to proceed with the default installation options.

1) Proceed with installation (default)
2) Customize installation
3) Cancel installation

3. Once the installation is complete, add the Rust toolchain directory to the PATH environment variable by running the following command:

source "$HOME/.cargo/env"

Verifying the Installation

To verify that Rust has been successfully installed on your system, you can request the version by running the following command:

rustc --version

If the installation was successful, you will see the version information displayed.

Installing a Compiler

Now that Rust is installed, let’s create, compile, and run a test program to ensure everything is working correctly.

1. Start by creating a directory to store your test script:

mkdir ~/rustprojects
cd ~/rustprojects
mkdir testdir
cd testdir

2. Create a file in the testdir directory to store your Rust code:

nano test.rs

In Rust, all program files use the .rs extension.

3. Add the following code into the test.rs file:

fnmain(){
    println!("Congratulations! You have installed Rust, and your program works.");
}

4. Compile the code using the rustc command:

rustc test.rs

5. Finally, run the resulting executable:

./test

If everything is set up correctly, you should see the following output:

Congratulations! You have installed Rust, and your program works.

Updating Rust

To update Rust to the latest version, use the following command:

rustup update

This command will sync the channel updates and update your Rust installation accordingly.

Conclusion

Congratulations! You have successfully installed Rust on your AlmaLinux 8 system. We have guided you through the process of installing Rust, verifying the installation, and running a test program. Rust is a powerful programming language that offers performance, type safety, and concurrency, making it an excellent choice for various projects.

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Christian Wells