"This note is just to confirm that the support period for Ubuntu
10.10 (Maverick Meerkat) formally ends on April 10, 2012 and Ubuntu
Security Notices no longer includes information or updated packages
for Ubuntu 10.10.
The supported upgrade path from Ubuntu 10.10 is via Ubuntu 11.04
(Natty Narwhal). Instructions and caveats for the upgrade may be
found at https://help.ubuntu.com/community/NattyUpgrades. Note that
upgrades to version 11.04 and beyond are only supported in multiple
steps, via an upgrade first to 11.04, then to 11.10.