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Basic operations in OpenVZ environment

Revision as of 06:19, 15 March 2007 by Anthony (talk | contribs)

This article assumes you have already installed OpenVZ and prepared the OS template cache(s). If not, follow the links to perform the steps needed.

To create and start a VE, run the following commands:

[host-node]# vzctl create VEID --ostemplate osname
[host-node]# vzctl set VEID --ipadd a.b.c.d --save
[host-node]# vzctl start VEID

Here VEID is the numeric ID for the VE; osname is the name of the OS template for the VE, and a.b.c.d is the IP address to be assigned to the VE.

Example:

[host-node]# vzctl create 101 --ostemplate fedora-core-5-minimal
[host-node]# vzctl set 101 --ipadd 10.1.2.3 --save
[host-node]# vzctl start 101

Your freshly-created VE should be up and running now; you can see its processes:

[host-node]# vzctl exec VEID ps ax

To enter VE give the following command:

[host-node]# vzctl enter VEID
entered into VPS VEID
[ve]#

To exit from VE, just type exit and press enter:

[ve]# exit
exited from VPS VEID

[host-node]#

To stop VE:

[host-node]# vzctl stop VEID
Stopping VPS ...
VPS was stopped
VPS is unmounted

And to destroy VE:

[host-node]# vzctl destroy VEID
Destroying VPS private area: /vz/private/VEID
VPS private area was destroyed

Now, when you know how to manage your VE, learn about Resource management.