https://www.howtoforge.com/tutorial/how-to-monitor-openvz-limits-with-vzwatchd-on-debian-and-ubuntu/
How to monitor OpenVZ limits with vzwatchd on Debian and Ubuntu
This tutorial shows how to install and configure vzwatchd to monitor OpenVZ on Debian and Ubuntu. Vzwatchd informs the admin about reached container limits ...
how to monitoropenvzlimits