https://ubuntu.com/security/esm
Ubuntu Expanded Security Maintenance | Security | Ubuntu
Expanded Security Maintenance provides ongoing security fixes for Ubuntu, the Linux kernel and packages in Ubuntu repositories packages beyond the five-year...
expanded security maintenance
https://ubuntu.com/robotics/ros-esm
ROS Expanded Security Maintenance | Ubuntu
ROS ESM provides a hardened and long-term supported ROS environment for your robot and its applications.
expanded security maintenance