10+ Commonly using OpenVZ commands and its usages

1, Command to list the running VPSs in a node

# vzlist

Example:

# vzlist
      CTID      NPROC STATUS    IP_ADDR         HOSTNAME
       106        104 running   xx.xx.xx.xx  server1.test.com 
       107         46 running   xx.xx.xx.xx  server2.test.com 
       108         83 running   xx.xx.xx.xx  server3.test.com
       109         86 running   xx.xx.xx.xx  server4.test.com

2, Command to list running and stopped VPSs in an node
This command lists all the VPSs in a node.

# vzlist -a

Example:

# vzlist -a
        CTID      NPROC STATUS    IP_ADDR         HOSTNAME
       106        104 running   xx.xx.xx.xx  server1.test1.com 
       107         46 running   xx.xx.xx.xx  server2.test2.com 
       108         83 running   xx.xx.xx.xx  server3.test3.com
       109         86 running   xx.xx.xx.xx  server4.test4.com
       110          - stopped   xx.xx.xx.xx  server5.test5.com

3, To start a VPS

# vzctl start CTID

Example:

# vzctl start 110

4, To stop or shutdown a VPS

# vzctl stop CTID

Example:

# vzctl stop 110

5, To view the status of a VPS

# vzctl status CTID

Example:

# vzctl status 110
CTID 116 exist unmounted down

6, To enter a VPS

# vzctl enter CTID

Example:

# vzctl enter 106
entered into CT 106

7, Set hostname for a Server

# vzctl set CTID --hostname New_hostname --save

8, Add new IP to VPS

# vzctl set CTID --ipadd xx.xx.xx.xx --save

9, Delete IP from VPS

# vzctl set CTID --ipdel xx.xx.xx.xx --save

10, Reset root password of a VPS

# vzctl set CTID --userpasswd root:new_password --save

11, To add NameServer IPs to VPS

# vzctl set CTID --nameserver xx.xx.xx.xx --save

12, Delete a container

# vzctl destroy CTID

13, Suspending a container

# vzctl suspend CTID