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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. … Continue reading Creating manageable virtual machines: Implementing

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 … Continue reading Creating manageable virtual machines: Making a boot disk image

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 … Continue reading Creating manageable virtual machines: Configuring DHCP server

Creating manageable virtual machines: Setting up name server

II/ SETTING UP NAME SERVER We use the omarine.org domain to illustrate. The server has IP address of 192.168.0.1, named omarine.omarine.org. 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: … Continue reading Creating manageable virtual machines: Setting up name server

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 … Continue reading Creating manageable virtual machines: General Network Setup

Bring Omarine to a cloud

If prefer, you can upload Omarine to a cloud such as Google Cloud for it to run on a virtual machine. The steps are as follows: 1. Prepare a blank hard disk This hard disk may be a USB hard disk, say /dev/sdc. Create a partition of size 10GiB - 1MiB for example, so the … Continue reading Bring Omarine to a cloud