How to enable Ubuntu Pro Expanded Security Maintenance with 5 Free Machines
What is Extended Security Maintenance (ESM)?
Extended Security Maintenance (ESM) is one of the features of Ubuntu Pro. It provides 10 years security coverage for Ubuntu Linux. It fixes the vulnerabilities (CVEs) with 1 day gap instead of 98 days which without ESM enabled.
For personal users, Ubuntu Pro provides 5 free machines for the services per account. You are required to registered in Ubuntu One in order to have this free support.
Once you registered in Ubuntu One, you can follow the below steps to enable ESM.
sudo pro attach
It will output :
Initiating attach operation...
Please sign in to your Ubuntu Pro account at this link:
And provide the following code: XXXXXX
After that, you are required to login to
https://ubuntu.com/pro/attach with your previous Ubuntu One account’s username and password. Once login, you enter the code
XXXXXX into the field provided. The Ubuntu box will automatically enabled the ESM and your Ubuntu box will then be updated.
To confirm that your box is attached to Ubuntu Pro ESM or not.
The output will be similar to the following :
SERVICE ENTITLED STATUS DESCRIPTION
esm-apps yes enabled Expanded Security Maintenance for Applications
esm-infra yes enabled Expanded Security Maintenance for Infrastructure
livepatch yes enabled Canonical Livepatch service
realtime-kernel yes disabled Ubuntu kernel with PREEMPT_RT patches integrated
Enable services with: pro enable <service>
Subscription: Ubuntu Pro - free personal subscription
OSCE OSCP OSWP
January 27, 2023, Hong Kong, China