PHP Update - 7.2.13 to 7.4 or higher

Question

I have a Bitnami WordPress 5.0.3-2 site running on AWS Lightsail / Ubuntu 16.04.6 LTS (GNU/Linux 4.4.0-1096-aws x86_64). The WordPress dashboard is telling me I need to update the PHP version which is currently 7.2.13 to a minimum Ver. 7.4. I have tried following several step-by-step instructions that I found on the web but in each case, things failed at some point in the process. I'm a novice so I need fairly detailed instructions. Can somebody point me in the right direction?

Thanks for your help!

Answer

Hello thank you for reaching out!
 
In regard to your question about updating your Wordpress PHP to a newer version, I will post a step-by-step start to solving your problem and then attach a link with further instructions down below.
 
1. Login to your Linux instance using your terminal of choice
2. Check to see if your computer system is already up to date - You can do this by entering the following command into your terminal - $ sudo yum update 
3. Check to see if your PHP version is running PHP 7.2 - You can check this by entering the following command - $ php -v
 
Reference to full guide with additional steps - https://greggborodaty.com/amazon-linux-2-upgrading-from-php-7-2-to-php-7-4/
 
Please let us know if you require any further assistance.

PHP Update - 7.2.13 to 7.4 or higher

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