OpenVZ is container based virtualization for Linux. Following is frequently used command :
1. List all Running VPS node
#vzlist
2. List all Running and Stopped VPS node
#vzlist -a
3. To start VPS
#vzctl start CTID
4.To stop or shutdown VPS
#vzctl stop CTID
5. To view status of VPS
#vzctl status CTID
6.To enter into VPS Console
#vzctl enter CTID
7.To set VPS Hostname from OpenVZ Host
#vzctl set CTID --hostname New_hostname --save
8.To Add IP to VPS
# vzctl set CTID --ipadd xx.xx.xx.xx --save
9.To Delete IP to VPS
#vzctl set CTID --ipdel xx.xx.xx.xx --save
10.Reset VPS Root Password
#vzctl set CTID --userpasswd root:new_password --save
11.To set Nameserver to VPS
#vzctl set CTID --nameserver xx.xx.xx.xx --save
12.To Delete Container
#vzctl destroy CTID
13.To suspend Container
#vzctl suspend CTID
Happy using OpenVZ !