golang compilation and installation

As more and more companies begin to adopt golang as the language of choice for application development, golang is becoming more and more widely used. However, for some developers who have not used golang, installing and configuring golang may have some tricky issues. In this article, we will focus on how to install and configure golang on different platforms.

1. Windows platform

1. Download the golang installation package
   First, you need to download it from the download page on the golang official website https://golang.org/dl/ Golang installation package suitable for Windows platform, and select the latest version to download.
2. Install golang
   After the download is completed, double-click the golang installation package and follow the prompts to install it.
3. Configuring environment variables
   In order to allow command line tools such as cmd or powershell to find the golang command in any directory, environment variables need to be configured. The specific method is as follows:

3.1 Type "environment variables" in the Windows search box to open the "Edit Environment Variables" settings page.

3.2 In the "System Variables" list, find the "Path" variable, select it and click "Edit". In the pop-up dialog box, click "New" and enter the golang bin directory path, for example: " C:Go in”.

3.3 Click "OK" and save the settings.

4. Check whether golang is installed successfully
   Enter the following command in the cmd command line or powershell:

go version

If the version number of golang is output, the installation is successful.

2. Mac OS Download the golang installation package for the Mac OS X platform and select the latest version to download.

Install golang
1. Double-click the golang installation package and follow the prompts to install it.
   
Configure environment variables
2. Mac OS X system will install golang in the /usr/local/go directory by default, so you need to add the golang bin directory to the $PATH variable. The specific method is as follows:
   
3. 3.1 Open Terminal.
   
3.2 Enter the following command in the terminal:

sudo nano /etc/profile

3.3 Enter the administrator password.

3.4 In the open text editor, enter the following code in the last line:

export PATH=$PATH:/usr/local/go/bin

3.5 Press Ctrl O to save the settings, press Enter to confirm, and then press Ctrl X to exit the editor.

3.6 Enter the following command in the terminal to update the settings:

source /etc/profile

Check whether golang is installed successfully

Enter the following command in the terminal:

go version

4. If the golang version number is output, the installation is successful.
   
3. Linux Platform

Golang provides golang installation packages in the software warehouses of most Linux distributions (such as Ubuntu, CentOS, Debian, etc.), which can be installed through the system's package manager. , you can also download the golang installation package from the official website for installation. Here we take Ubuntu 18.04 as an example to explain how to install and configure golang.

Download the golang installation package
You need to download the golang installation package for the Linux platform from the download page on the golang official website https://golang.org/dl/, and select the latest version to download. After the download is complete, decompress the downloaded installation package to the /usr/local directory, create a directory named go, and then move the decompressed golang folder to this directory.

Configuring environment variables
1. For Ubuntu 18.04, you need to add the golang bin directory to the $PATH variable. The specific method is as follows:
   
2. 2.1 Open Terminal.
   
2.2 Enter the following command in the terminal:

nano ~/.profile

2.3 In the open text editor, enter the following code on the last line:

export PATH=$PATH:/usr/local/go/bin

2.4 Press Ctrl O to save Set, press Enter to confirm, then press Ctrl X to exit the editor.

2.5 Enter the following command in the terminal to update the settings:

source ~/.profile

Check whether golang is installed successfully

Enter the following command in the terminal:

go version

3. If the golang version number is output, the installation is successful.
   
Summary: Whether you are using Windows, Mac OS X or Linux platform, you can install and configure golang in a similar way. Through the above simple and easy steps, I believe you can successfully complete the installation and configuration of golang, and then you can start learning and using Golang to develop applications.

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