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How to install golang environment on centos system

Apr 07, 2023 pm 04:58 PM

This article will teach you how to install Golang on CentOS operating system.

1. Introduction to Golang

Golang is an open source programming language developed by Google. Due to its efficient compilation speed, rich concurrency processing and other characteristics, it has become a very popular language in recent years. One of the welcome languages. Golang is widely used in many fields, such as network programming, web development, system programming, cloud computing and artificial intelligence.

2. Install Golang

The following are the steps to install Golang on CentOS 7.x:

  1. First, open the terminal and log in as the root user.
  2. Update system:
yum update
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  1. Download Golang:

Download the latest version of Golang, which can be found on the official website https://golang.google Found on .cn/dl/.

  1. Extract the installation package:

Extract the downloaded Golang installation package to the /usr/local directory. The decompression command is:

tar -C /usr/local -xzf go1.16.4.linux-amd64.tar.gz
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  1. Set environment variables:

Use the following command and add it to /etc/profile to access Golang:

export GOPATH=/root/go
export GOROOT=/usr/local/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
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Then execute the following command to make it take effect:

source /etc/profile
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  1. Test the installation:

Run the following command to verify whether Golang has been installed correctly:

go version
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Output The following content indicates a successful installation:

go version go1.16.4 linux/amd64
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3. Create and run the Golang application

Now, we will create a simple Hello World application:

  1. In In any directory, create a folder named "hello", and then go to the directory:
mkdir hello
cd hello
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  1. Create a file named "main.go" in the directory, Then copy the following content into the file:
package main

import "fmt"

func main() {
    fmt.Println("Hello World!")
}
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  1. Then, run the following command to compile the main.go file:
go build
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  1. Finally, Run the generated binary to run the application:
./hello
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Outputs the following:

Hello World!
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This is how to install and use Golang on CentOS. If you are a developer and haven't tried Golang yet, now is the time. The Golang language is not just an efficient and fast programming language, it is also a platform with a strong community and active environment so you can easily find solutions and start developing.

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