What is HWE and what do I do at the EOL?

I decided to upgrade my Ubuntu 16.04 droplet to Ubuntu 18.04. To do this, I first upgraded to 17.10. Once the upgrade to 18.04 from 17.10 completed and I logged into the server via SSH, I saw this in the welcome prompt:

Your Hardware Enablement Stack (HWE) is supported until April 2019.

Could someone tell me what this means and what to do when support ends?

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Accepted Answer

HWE is enablement stack for Ubuntu. It provides you newer kernel versions.

It could be that you’re running older HWE version. Upgrading HWE could resolve the problem.

The best way to learn more about this is to check Ubuntu Wiki. It also mentions the hwe-support-status command you can use to verify your upgrade path.