Dustin Kirkland: Ubuntu 12.04 ESM (Extended Security Maintenance)

Canonical announced the Ubuntu 12.04 LTS (Precise Pangolin) release almost 5 years ago, on April 26, 2012. As with all LTS releases, Canonical has provided ongoing security patches and bug fixes for a period of 5 years. The Ubuntu 12.04 LTS (Long Term Support) period will end on Friday, April 28, 2017.

Following the end-of-life of Ubuntu 12.04 LTS, Canonical is offering Ubuntu 12.04 ESM (Extended Security Maintenance), which provides important security fixes for the kernel and the most essential user space packages in Ubuntu 12.04.  These updates are delivered in a secure,

Read more: http://blog.dustinkirkland.com/2017/03/ubuntu-1204-esm.html