How to install golang in Ubuntu system, specific code examples are required
Overview:
Golang is a programming language developed by Google, with its simplicity and efficiency It has received widespread attention and application. For installing golang on Ubuntu system, you can follow the steps below.
Step 1: Update the system
Before installing golang, you first need to update the system to ensure the smooth progress of the installation process. Please open a terminal and execute the following command:
sudo apt update sudo apt upgrade
Step 2: Download golang
Golang’s official website provides binary files for Linux systems. Please visit https://golang.org/dl/ to download the appropriate binaries for your system. In this example, we downloaded go1.16.4.linux-amd64.tar.gz. Please save the downloaded file to your home directory.
Step 3: Decompress and install golang
Execute the following command in the terminal, decompress the golang binary file and install it to the /usr/local directory:
cd ~ sudo tar -C /usr/local -xzf go1.16.4.linux-amd64.tar.gz
Step 4: Set environment variables
In order to be able to use golang commands in the terminal, you need to add some configurations to the environment variables. Please execute the following command in the terminal:
echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc source ~/.bashrc
Step 5: Verify the installation
After completing the above steps, you can enter the following command to verify whether the installation is successful:
go version
If the golang version The information is displayed successfully, then congratulations, you have successfully installed golang!
Code example: Hello World
Now, let’s use a simple code example to verify whether golang is installed correctly. Please create a file named hello.go anywhere with the following content:
package main import "fmt" func main() { fmt.Println("Hello, World!") }
Save and exit the file.
In the terminal, use the following command to compile and run the code:
go run hello.go
If you can see the output "Hello, World!" in the terminal, it proves that you have successfully installed and run it Golang code.
Summary:
This article provides detailed steps to install golang in Ubuntu system, as well as a simple Hello World code example to verify whether the installation is successful. By following the above steps, you will be able to develop using golang in Ubuntu system easily. I wish you happy learning and smooth programming!
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