7/6/2023 0 Comments Centos 7 virtualbox image![]() I usually create a Bridged Adapter as in this case the virtual machine gets its own IP address and can be accessed from the guest, other virtual machines and even other computers in your network.įinally, our virtual machine has been configured. I usually set this value to at least 2 CPU cores.Īs we are going to install CentOS 7, we add the CentOS 7 minimal iso file as a virtual cd ROM.Īdditionally, we have to configure the network interface to use. Per default Virtual Box only assigns 1 CPU core to the virtual machine. For most server-side applications 40 GB is more than enough. It can be slightly slower at runtime, but you probably won't notice it unless you use the image for any kind of performance tests that require a lot of IO.Īnd finally, we have to set the file location and maximum size of the hard disk file. I usually choose "dynamically allocated" as this initially takes less disk space. In the next step, we have to decide if we want to use a "dynamically allocated" or "fixed size" hard disk file. ![]() There are several choices, but I usually use the default VDI (Virtual Disk Image) format. Next, we have to configure the hard disk of the guest operating system. Our virtual machine needs some RAM, let's add 4GB. ![]() Guest operating systemįirst, we have to provide a name for the virtual machine and the type of operating system (Linux) and the version (Red Hat 64 bit). We create a new virtual machine by clicking on the new item. In case you use Ubuntu 17.04 or 17.10 as your host system you can find an excellent installation guide here.
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