Once you have finished setting up openvz virtualization on your server, below are few commands to control and manage your containers.
Show all containers on the node
#vzlist CTID NPROC STATUS IP_ADDR HOSTNAME 120 203 running 123.123.123.12 vps1.nodedomain.com 110 101 running 123.123.123.13 vps2.nodedomain.com 150 79 running 123.123.123.15 vps3.nodedomain.com
Start container 110
#vzctl start 110
Stop container 110
#vzctl stop 110
Restart container 110
#vzctl restart 110
Enter container 120
#vzctl enter 120
Show all IPs assigned to containers
#cat /proc/vz/veinfo 120 0 11 123.123.123.12 110 0 182 123.123.123.13 123.123.123.14 150 0 51 123.123.123.15