You are a beginner with Ghost CMS, Bitanami, AWS Lightsail and don't know much about the documentation yet. So, in this article, I introduce step by step to upgrade Ghost CMS to the latest version.

Follow the steps below:

You need to backup your data first

• Login to the Ghost Administration Dashboard.
• Switch to the Settings page by clicking the Setting Icon in the lower left corner of the dashboard screen.
• Next, select Lab session.
• Finally, click the Export button and wait a few seconds for the data to be downloaded to your device.

Check the theme

• Next, check your current theme when upgrading the version, there are no errors according to the link

• You upload your theme (Note: your theme must be built into a .zip file)
• Then click Start scanning
• The result of the scan is shown below.

Upgrade version

• SSH into Instance
• Move to Ghost folder

cd /opt/bitnami/ghost

• Run command to update ghost-cli

sudo npm install ghost-cli

• Run update command

ghost update

• After the update process is successful

• Restart Ghost

sudo /opt/bitnami/ctlscript.sh restart

Thank you!!!