Ubuntu18.04 cannot enter Github solution

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Preface

The newly installed Ubuntu system needs to make the following system configuration changes if it wants to enter Github.

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1. Open the Host file

First open a new terminal and enter the following command to open the Host file:

sudo gedit /etc/hosts

2. Change the Host file

Scroll to the bottom of the file and add the following code at the end of Host:

140.82.112.3 github.com
199.232.69.194 github.global.ssl.fastly.net

3. Reset the system network

Open a new terminal and enter the following command:

/etc/init.d/networking restart 

4. Test

Open a new terminal and enter the following command:

ping github.com