In my opinion, template is the most useful feature in virtualization technology. After creating one fully installed VM, you can create several temporary VMs from the original without spend lots of hours or lots of disk space. In LVM environment, you can use ‘snapshot’ feature of lvcreate command. But, LVM volume is not easy to [...]

When you run KVM-based virtual machine, you can specify ‘-startdate’ option. What format we can use and what actions are happening inside the qemu-kvm. Options are checked in main() function in vl.c. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 [...]

To test some problems usually I have to have two machines which is not easy to have. Especially if I have to configure it for each version, RHEL4, RHEL5, Fedora, etc. Virtualzation comes here to solve those kinds of difficulty. But, just installing new operating system each time is also not a perfect solution. You [...]

Red Hat has a plan to announce RHEV late this year and there are some videos regarding this. Following videos are found in youtube and redhat.com. You can figure out what it is and what it will provide. video platform video management video solutions free video player