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create VMs in guest headless mode guest headless is a term to create virtual guest by using the linux terminal (CLI). the computer server facilitates installation through command lines, and guest installation process will be done by remote application (ssh). here are the steps how to create fedora 18 (for example) virtual machine using image file (iso).  1. creating guest name $ VBoxManage createvm --name "fedora 18" --register 2. allocating amounts of RAM and networking type $ VBoxManage modifyvm "fedora 18" --ostype fedora --memory 1024 --acpi on --pae on --boot1 dvd --nic1 bridged --bridgeadapter1 eth0 3. create amount of hard disk capacity $ VBoxManage createhd --filename fedora18.vdi --size 10000 4. selecting hard disk device type $ VBoxManage storagectl "fedora18" --name "IDE Controller" --add ide 5. connecting fedora18.vdi file to hard disk device type $ VBoxManage storageattach "fedora 18" --storagectl ...

this is tutorial to install and uninstall vmware player first install group package called Development Tools to your linux system # yum groupinstall “Development Tools” then obtain a copy vmware bundle package from  www.vmware.com   change the permission of the package # chmod 755 VMware-Player-4.0.2-591240.i386.bundle to install it simply type on terminal # ./VMware-Player-4.0.2-591240.i386.bundle or if you decide to uninstall it, simply  type # vmware-installer -u vmware-player

Install VirtualBox 4.0.8 on Fedora 15/14, CentOS/Red Hat (RHEL) 5.6/6 Virtualbox-logo-smallOracle VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software. VirtualBox supports a large number of guest operating systems: Windows 3.x, Windows NT 4.0, Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows 7, DOS, Linux (2.4 and 2.6), Solaris, OpenSolaris, OpenBSD. This guide shows howto install VirtualBox 4.0 (currently 4.1.2) on Fedora 15, Fedora 14, Fedora 13, Fedora 12, CentOS 5.6, Red Hat (RHEL) 5.6 and Red Hat (RHEL) 6. This howto uses Virtual Box yum repositories. 1. Change to root User su - ## OR ## sudo -i 2. Install Fedora or RHEL Repo Files cd /etc/yum.repos.d/ ## Fedora 15/14/13/12 and RHE...