Red Hat RHCSARHCE 7 Cert Guide（七）

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1.just type arch to show the architecture that is currently used
2.use the command cat /proc/cpuinfo . In the output of this command (see Listing 10.2 ), you should see vmx on an intel CPU, and svm on an AMD CPU
3.The most convenient way of doing so is by using yum groupinstall “Virtualization Host ”
4.This virtual disk by default is stored in an image file in the directory /var/lib/libvirt/images.
5.LVM is often used as a storage backend in production KVM servers.
6.cat /proc/cpuinfo | egrep ‘svm|vmx’
7.To get an overview of the virtual networking configuration, you can use the command brctl show .
8.type lsmod | grep kvm . You are looking for the kvm and kvm_intel module ( kvm_amd in case you are using an AMD platform). If these modules are not currently loaded,
        type modprobe -r kvm to load them.
9.systemctl status libvirtd(systemctl start libvirtd)
10.virt-manager & to start the Virtual Machine Manager.
11.The VM settings themselves have been written to an XML configuration file that is stored in the /etc/libvirtd/qemu directory.
12.To change virtual hardware settings, you can use the VM properties in Virtual Machine Manager, or use the virsh edit <vmname> command.