Creating manageable virtual machines: Implementing

V/ IMPLEMENTING 1. Hardware requirements Virtualization Technology (VT) support in processor is required. You can check to see if your processor supports VT by running this command: egrep ‘^flags.*(vmx|svm)’ /proc/cpuinfo If you get any output then you have VT technology. In addition, you need to go into the BIOS and make sure it is enabled. […]

Creating manageable virtual machines: Making a boot disk image

IV/ MAKING A BOOT DISK IMAGE Making a boot disk image is similar to the steps in Bring Omarine to a cloud. However, there are some adjustments: Install additionally the dhcp-4.3.5-1.x86_64 package. When running the new operating system, in addition to the sub-steps in there, configure it as a client. For virtual machines using dynamic […]

Creating manageable virtual machines: Configuring DHCP server

III/ CONFIGURING DHCP SERVER Once you have a successful name server, everything will be easy. We modify the dhcpd.conf configuration file, deleting unused lines in the new schema: sudo sed -e ‘/^on commit/,$d’ -e ‘/authoritative\|netbios/d’ \ -i /etc/dhcp/dhcpd.conf Next, select Dynamic DNS Update style: sudo sed ‘/ddns-update-style/s,none,standard,’ -i /etc/dhcp/dhcpd.conf Modify the domain name: sudo sed […]

Creating manageable virtual machines: Setting up name server

II/ SETTING UP NAME SERVER We use the domain to illustrate. The server has IP address of, named You replace them with your own values when applied in practice. 1. Creating a key to update resource records There are several ways to create a secure DNS key, we use the following command: […]

Creating manageable virtual machines: General Network Setup

We have brought Omarine to a cloud and run it in a guest VM. Now we create a full virtual machine system that includes a host machine and guest virtual machines. I/ GENERAL NETWORK SETUP There are two solutions to setup network interfaces on a server running Omarine: Using NetworkManager and static IP services; use […]