The 2.0.14 release of ZenCash is now available for Linux
The zend software on your nodes must be updated before the June 28th deprecation when the current version will stop working. The method you need to use to update depends on how zend was installed.
There's a new mandatory update required for all securenode hoster. Here's the official guide for the update
https://documentation.zencash.com/display/ZEN/Upgrading+Secure+Node+Software