This article introduces how to upgrade and install Golang.

Golang is a programming language and a compiled statically typed language. It was born in 2009. Golang is very suitable for developing large-scale network services. Especially for high-concurrency scenarios, Golang's advantages are more obvious. This article will introduce you to how to upgrade and install Golang.

1. Preparations before Golang upgrade and installation

Golang upgrade and installation requires some preparations, mainly including the following aspects:

1. Backup

In Before upgrading and installing Golang, be sure to back up important data files to prevent data loss.

2. Clean up the old version

Before upgrading to the new version, you should clean up the old version of Golang, otherwise version inconsistencies may lead to compilation errors.

3. Network environment

In the process of upgrading the new version of Golang, it is necessary to ensure that the network is stable to avoid network failures during the download process, causing the upgrade to fail.

2. Golang upgrade and installation steps

1. Download the new version of Golang

Open the Golang official website, select the latest version of Golang, and select the corresponding installation package according to your operating system , click to download.

2. Uninstall the old version of Golang

Before upgrading and installing Golang, you need to uninstall the old version of Golang first. Execute the following command through the command line:

$ sudo apt-get remove golang

3. Install the new version of Golang

Installing the new version of Golang is very simple, just use the command line to decompress:

$ tar -C /usr/local -zxvf go1.16.5.linux-amd64.tar.gz

Among them, "go1.16.5.linux-amd64.tar.gz" is the Golang version to be installed. Just replace it with your own version number as needed.

4. Configure environment variables

Configuring environment variables is actually adding the path of Golang to the system's environment variables. The purpose of this is to facilitate the use of Golang. Enter the following command on the command line:

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

Note that the path here needs to be modified according to your actual situation.

5. Verify the installation result

After completing the above steps, we need to test whether the installation result is successful. We can enter the following command through the command line:

$ go version

If the correct version number is output, the installation is successful.

3. Summary

Golang upgrade and installation is a very simple matter. You only need to make simple preparations and follow the steps to complete. During this process, attention should be paid to backing up important data, cleaning up old versions, maintaining network stability, selecting the correct Golang version, etc. Only by making preparations in these aspects can the Golang upgrade and installation be successfully completed.

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