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选题: How To Install Rust Programming Language In Linux
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[#]: collector: (lujun9972)
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[#]: translator: ( )
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (How To Install Rust Programming Language In Linux)
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[#]: via: (https://www.2daygeek.com/how-to-install-rust-programming-language-in-linux/)
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[#]: author: (Prakash Subramanian https://www.2daygeek.com/author/prakash/)
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How To Install Rust Programming Language In Linux
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======
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Rust is often called rust-lang.
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Rust is a general-purpose, multi-paradigm, modern, cross-platform, and open source systems programming language sponsored by Mozilla Research.
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It was designed to be achieve a goals such as safety, speed, and concurrency.
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Rust is syntactically similar to C++,[14] but its designers intend it to provide better memory safety while still maintaining performance.
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Rust is currently used in many organization such as Firefox, Chef, Dropbox, Oracle, GNOME, etc,.
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### How to Install Runs Language in Linux?
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There are many ways we can install Rust but below is the officially recommended way to install it.
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```
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$ curl https://sh.rustup.rs -sSf | sh
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info: downloading installer
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Welcome to Rust!
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This will download and install the official compiler for the Rust programming
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language, and its package manager, Cargo.
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It will add the cargo, rustc, rustup and other commands to Cargo's bin
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directory, located at:
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/home/daygeek/.cargo/bin
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This path will then be added to your PATH environment variable by modifying the
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profile files located at:
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/home/daygeek/.profile
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/home/daygeek/.bash_profile
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You can uninstall at any time with rustup self uninstall and these changes will
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be reverted.
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Current installation options:
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default host triple: x86_64-unknown-linux-gnu
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default toolchain: stable
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modify PATH variable: yes
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1) Proceed with installation (default)
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2) Customize installation
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3) Cancel installation
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>1
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info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
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info: latest update on 2018-12-06, rust version 1.31.0 (abe02cefd 2018-12-04)
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info: downloading component 'rustc'
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77.7 MiB / 77.7 MiB (100 %) 1.2 MiB/s ETA: 0 s
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info: downloading component 'rust-std'
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54.2 MiB / 54.2 MiB (100 %) 1.2 MiB/s ETA: 0 s
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info: downloading component 'cargo'
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4.7 MiB / 4.7 MiB (100 %) 1.2 MiB/s ETA: 0 s
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info: downloading component 'rust-docs'
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8.5 MiB / 8.5 MiB (100 %) 1.2 MiB/s ETA: 0 s
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info: installing component 'rustc'
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info: installing component 'rust-std'
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info: installing component 'cargo'
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info: installing component 'rust-docs'
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info: default toolchain set to 'stable'
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stable installed - rustc 1.31.0 (abe02cefd 2018-12-04)
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Rust is installed now. Great!
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To get started you need Cargo's bin directory ($HOME/.cargo/bin) in your PATH
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environment variable. Next time you log in this will be done automatically.
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To configure your current shell run source $HOME/.cargo/env
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```
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Run the following command to configure your current shell.
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```
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$ source $HOME/.cargo/env
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```
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Run the following command to verify the installed Rust version.
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```
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$ rustc --version
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rustc 1.31.0 (abe02cefd 2018-12-04)
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```
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### How To Test Rust programming language?
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Once you installed Rust follow the below steps to check whether Rust programe language is working fine or not.
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```
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$ mkdir ~/projects
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$ cd ~/projects
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$ mkdir hello_world
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$ cd hello_world
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```
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Create a file and add the below code and save the file. Make sure, Rust files always end in a .rs extension.
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```
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$ vi 2g.rs
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fn main() {
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println!("Hello, It's 2DayGeek.com - Best Linux Practical Blog!");
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}
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```
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Run the following command to compile the rust code.
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```
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$ rustc 2g.rs
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```
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The above command will create a executable Rust program file in the same directory.
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```
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$ ls -lh
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total 3.9M
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-rwxr-xr-x 1 daygeek daygeek 3.9M Dec 14 11:09 2g
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-rw-r--r-- 1 daygeek daygeek 86 Dec 14 11:09 2g.rs
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```
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Run the Rust executable file to get the output.
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```
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$ ./2g
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Hello, It's 2DayGeek.com - Best Linux Practical Blog!
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```
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Yup! that’s working fine.
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To update Rust to latest version.
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```
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$ rustup update
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info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
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info: checking for self-updates
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stable-x86_64-unknown-linux-gnu unchanged - rustc 1.31.0 (abe02cefd 2018-12-04)
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```
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Run the following command to remove the Rust package from your system.
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```
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$ rustup self uninstall
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```
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Once you uninstalled the Rust package, remove the Rust project directory.
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```
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$ rm -fr ~/projects
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```
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--------------------------------------------------------------------------------
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via: https://www.2daygeek.com/how-to-install-rust-programming-language-in-linux/
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作者：[Prakash Subramanian][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.2daygeek.com/author/prakash/
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[b]: https://github.com/lujun9972
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