linux installation golang

Linux system is an open source, free operating system that is loved and used by many programmers and developers. Golang is a statically typed programming language developed by Google. It supports concurrent processing and garbage collection mechanisms and is widely used in server-side development. Installing golang on Linux systems is a very common requirement. Let's introduce in detail how to install golang on Linux.

1. Download golang

Before starting to install golang, we need to download the golang installation file first, which can be downloaded from the official website. Select the required version on the official website to download.

2. Install golang

After the download is completed, the next step is to install golang. Installing golang on a Linux system is actually very simple. You only need to unzip the downloaded installation file to the specified directory. The specific installation steps are as follows:

1. Extract the installation file

Extract the downloaded golang installation file to the specified directory, for example, to the /usr/local/golang directory Down.

$ tar -zxvf go1.16.2.linux-amd64.tar.gz -C /usr/local/

2. Set environment variables

Unzip After that, you need to add the installation path to the system's environment variables so that the system can recognize the golang installation path.

Edit the /etc/profile file and add the following content:

export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export PATH=$PATH :$GOROOT/bin:$GOPATH/bin

We can use the following command to make the above configuration file effective:

$ source /etc/profile

3. Verification Whether the installation is successful

After the installation is completed, you can use the following command to verify whether the installation is successful:

$ go version

If a result similar to the following appears, it means that it has been Golang was installed successfully.

go version go1.16.2 linux/amd64

3. Use golang

After the installation is completed, we can start using golang. On Linux systems, we can use the command line to write and run golang programs. Let's briefly introduce how to use golang.

1. Write code

Use any text editor (such as vim) to save the following code as a hello-world.go file.

package main

import "fmt"

func main() {

fmt.Println("Hello, World!")

}

2. Run code

Use the following command to compile and run the code:

$ go run hello-world.go

If everything goes well, the program will output "Hello, World!" String.

4. Summary

Installing golang on a Linux system is very simple. You only need to unzip the downloaded installation file and set the environment variables. After the installation is complete, we can start using golang to write and run programs. golang can be used not only on Linux systems, but also on other operating systems, such as Windows and MacOS, etc. Therefore, learning and mastering golang is a very useful skill for program developers.

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