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OpenVZ 7

Requirements

  • OpenVZ 7 OS (ISO can be downloaded from here )
  • Yum
  • Storage to create the VPSs disks
  • Make the installation with ext4 file system, if made with other file system CT creation will not work.
Note
KVM module requires VT enabled from the BIOS.
OpenVZ 7 MUST be installed before installing Virtualizor.

Partition Scheme

Create the following partitions on the Hardware Node:

Supported storage types

For KVM

  • (File)

For OpenVZ

  • (OpenVZ)

Installation

Open a Shell Terminal (e.g. PuTTY) and SSH to your server. Run the following commands:

wget -N http://files.virtualizor.com/install.sh
chmod 0755 install.sh
./install.sh email=your@email.com kernel=openvz7

Installation Parameters

Please give the email address correctly !

  • email - The Admin Email Address
  • kernel - In this case its openvz7
  • noos - If you don't want to download the OS template for the VPS then add noos=true as a parameter
  • beta - If there is a newer version of Virtualizor available and you would like to test it then please add beta=true as a parameter
  • lvg (optional) - If you are going to use LVM for the VPS storage. The Volume Group that will be used for the DomU (VPS) storage e.g. defaults to vg. It should have some OR ALL unallocated space to create LVMs for the VPS.
  • interface - You can specify the default interface that you want to set. If not provided it will be considered as eth0.
  • license - In case you are installing Virtualizor on internal network you will need to provide the VALID license key. To get internal license key you will need to open a support ticket.

The installation will begin immediately. It may seem that the installation has stopped, if your network speed is slow, but please let it continue. You will see something like this : 

-----------------------------------------------
 Welcome to Softaculous Virtualizor Installer
-----------------------------------------------

1) Installing Libraries and Dependencies
2) Installing PHP, MySQL and Web Server
3) Downloading and Installing Virtualizor
                - Configuring Virtualizor
                - Fetching License
                - Setting up the CRON Job
                - Importing Database
                - Getting List of OS templates
                - Generating the SSL Certificates
4) Installing the Virtualization Kernel - openvz7
                - You have not defined any storage ! Please add a Storage once you visit the Admin Panel.
-------------------------------------
 Installation Completed 
-------------------------------------
Congratulations, Virtualizor has been successfully installed
 
API KEY : havkrq0b8skwiaxgtpxh3rehxo9lhalu
API Password : j1zpjzzxzhbnuavxgu6nijbslan2wxj3 
 
You can login to the Virtualizor Admin Panel
using your ROOT details at the following URL :
https://━━.━━.━━.━━:4085/
OR
http://━━.━━.━━.━━:4084/
 
You will need to reboot this machine to load the correct kernel


After the installation is completed you will be asked to reboot. 

You will need to reboot this machine to load the correct kernel
Do you want to reboot now ? [y/N] ┃
Note
You can then visit the Admin Panel to create the Storage and the Virtual Servers and also manage your server. A log file of the installation process will be created - /root/virtualizor.log

Login

To login to the Softaculous Virtualizor Admin Panel, visit the following URL


https://Your-Server-IP:4085/
http://Your-Server-IP:4084/


Login with the servers root details.

login

Admin Panel

After you login, you will see the Admin Panel Dashboard :

image

Create Storage

Before creating any VMs, its necessary to define your storage.
Navigate to Virtualizor Admin Panel -> Storage -> Add Storage

You will see the following wizard :

image

Fill in the details and define the storage.

Ports

Virtualizor uses ports from 4081 - 4085. If there is any firewall restricting this, you will need to allow these ports.

firewall-cmd --zone=public --permanent --add-port=4081-4085/tcp

firewall-cmd --zone=public --permanent --add-port=5900-6000/tcp

firewall-cmd --reload
Note
If you are going to use Webuzo templates for VM creation, please allow ports 2002-2005

Trouble Shoot

Note
In all cases please remember to disable SElinux. The Virtualizor installer will try to disable it. For KVM make sure that VT is enabled from bios so VPS can be able to start.

Not able to start VM

1. If you try to start the VM from command line and got the following error :

[root@virtuozzo-30 ~] # prlctl start v1001
Starting the VM... Failed to start the VM: Operation failed.
Failed to execute the operation. (Details: The name org.fedoraproject.FirewallD1 was not provided by any .service files)

Please start the firewalld service by executing the following command :

root> service firewalld start

2. If you try to start the VM from the command line and got the following error for VNC :

[root@virtuozzo-30 ~] # prlctl start v1001
Starting the VM…
Failed to start the VM: Operation failed.
Failed to execute the operation. (Details: internal error: qemu unexpectedly closed the monitor: 2020-03-24T11:54:00.088697Z qemu-kvm: -vnc [::1]:10,websocket=5700,password:
Failed to start VNC server: Failed to bind socket: Cannot assign requested address)

If you face above issue while creating VM with VNC enabled, then please try the following steps :

cat /etc/sysctl.conf

It should be as follows :

net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0

Once you make the changes and make the content as above, execute the following command to reload the settings:

sysctl -p

Once done, try to start the VM from virtualizor panel.

Cant open http://IP-Address:4084

Please check if your iptables firewall is running You can disable it with the following command if even after allowing ports, the panel is not working :

root> firewall-cmd --zone=public --permanent --add-port=4081-4085/tcp root> /bin/systemctl restart firewalld
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