KVM+qemuCentOS6 - Revision history

Drew: Drew moved page KVM+qemu CentOS6 to KVM+qemuCentOS6 without leaving a redirect: rename to KVM+qemuCentOS6

2018-03-05T00:36:04Z

Drew moved page KVM+qemu CentOS6 to KVM+qemuCentOS6 without leaving a redirect: rename to KVM+qemuCentOS6

← Older revision		Revision as of 18:36, 4 March 2018
(No difference)

Drew: Drew moved page KVM/qemu CentOS6 to KVM+qemu CentOS6 without leaving a redirect: remove forward slash in title

2018-02-26T20:06:34Z

Drew moved page KVM/qemu CentOS6 to KVM+qemu CentOS6 without leaving a redirect: remove forward slash in title

← Older revision		Revision as of 14:06, 26 February 2018
(No difference)

Drew at 07:58, 25 January 2018

2018-01-25T07:58:46Z

← Older revision		Revision as of 01:58, 25 January 2018
Line 3:		Line 3:
	http://centos.digitalcompass.net/centos/6.2/os/x86_64/ ---Grub -> vmlinuz initrd=initrd.img console=ttyS0,115200 text		http://centos.digitalcompass.net/centos/6.2/os/x86_64/ ---Grub -> vmlinuz initrd=initrd.img console=ttyS0,115200 text

	<~~pre~~># yum install qemu-kvm		<syntaxhighlight lang=bash>
			# yum install qemu-kvm
	# chkconfig libvirtd on		# chkconfig libvirtd on
	# groupadd libvirt; usermod -a -G drew		# groupadd libvirt; usermod -a -G drew
	-> fix policykit permissions on /dev/kvm		-> fix policykit permissions on /dev/kvm
	# groupadd tun; chown root:tun /dev/net/tun; usermod -a -G tun drew</~~pre~~>		# groupadd tun; chown root:tun /dev/net/tun; usermod -a -G tun drew
			</syntaxhighlight>

	<~~pre~~># cat /etc/sysconfig/network-scripts/ifcfg-eth0;		<syntaxhighlight lang=bash>
			# cat /etc/sysconfig/network-scripts/ifcfg-eth0;
	DEVICE="eth0"		DEVICE="eth0"
	HWADDR="BC:30:5B:DF:E7:59"		HWADDR="BC:30:5B:DF:E7:59"
	ONBOOT="yes"		ONBOOT="yes"
	BRIDGE=br0</~~pre~~>		BRIDGE=br0
			</syntaxhighlight>

	<~~pre~~># cat /etc/sysconfig/network-scripts/ifcfg-br0;		<syntaxhighlight lang=bash>
			# cat /etc/sysconfig/network-scripts/ifcfg-br0;
	DEVICE="br0"		DEVICE="br0"
	TYPE=Bridge		TYPE=Bridge
Line 22:		Line 27:
	BOOTPROTO=static		BOOTPROTO=static
	IPADDR=96.31.87.178		IPADDR=96.31.87.178
	NETMASK=255.255.255.192</~~pre~~>		NETMASK=255.255.255.192
			</syntaxhighlight>

	<~~pre~~>$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --disk path=/home/aholt/drew.img,size=5,sparse=true --cdrom CentOS-6.2-x86_64-netinstall.iso		<syntaxhighlight lang=bash>
			$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --disk path=/home/aholt/drew.img,size=5,sparse=true --cdrom CentOS-6.2-x86_64-netinstall.iso
	$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --import --disk path=/home/aholt/drew.img		$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --import --disk path=/home/aholt/drew.img
	$ virsh --connect=qemu:///system start drew01		$ virsh --connect=qemu:///system start drew01
	$ virsh autostart drew01</~~pre~~>		$ virsh autostart drew01
			</syntaxhighlight>

	<~~pre~~>$ virt-install --name connor01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --disk path=/home/cpenhale/cpenhale.img,size=5,sparse=true --cdrom pfSense-2.0.1-RELEASE-amd64.iso --hvm --vnc --noautoconsole</~~pre~~>		<syntaxhighlight lang=bash>
			$ virt-install --name connor01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --disk path=/home/cpenhale/cpenhale.img,size=5,sparse=true --cdrom pfSense-2.0.1-RELEASE-amd64.iso --hvm --vnc --noautoconsole
			</syntaxhighlight>

	<~~pre~~>$ virsh -c qemu+ssh://aholt@enc02.destinationradiodenver.com/system sysinfo		<syntaxhighlight lang=bash>
			$ virsh -c qemu+ssh://aholt@enc02.destinationradiodenver.com/system sysinfo
	$ virsh -c qemu:///system console drew01		$ virsh -c qemu:///system console drew01
	$ virsh -c qemu:///system sysinfo		$ virsh -c qemu:///system sysinfo
Line 39:		Line 50:
	$ virsh destroy <vm> # hard shutdown, essentially pulling the power cord		$ virsh destroy <vm> # hard shutdown, essentially pulling the power cord
	$ virsh suspend <vm>		$ virsh suspend <vm>
	$ virsh resume <vm></~~pre~~>		$ virsh resume <vm>
			</syntaxhighlight>


	Instead of allowing virt-manager to create a new drive image, simply direct it to use the image you created in the previous step.		Instead of allowing virt-manager to create a new drive image, simply direct it to use the image you created in the previous step.
	3. Create the overlay:		3. Create the overlay:
	<~~pre~~>$ qemu-img create -f qcow2 -b <image name>.qcow2 <image name>.ovl</~~pre~~>		<syntaxhighlight lang=bash>
			$ qemu-img create -f qcow2 -b <image name>.qcow2 <image name>.ovl
			</syntaxhighlight>

Drew: Created page with "KVM Centos6 http://www.howtoforge.com/how-to-install-kvm-and-libvirt-on-centos-6.2-with-bridged-networking http://centos.digitalcompass.net/centos/6.2/os/x86_64/ ---Grub -> vm..."

2013-01-09T19:40:01Z

Created page with "KVM Centos6 http://www.howtoforge.com/how-to-install-kvm-and-libvirt-on-centos-6.2-with-bridged-networking http://centos.digitalcompass.net/centos/6.2/os/x86_64/ ---Grub -> vm..."

New page

KVM Centos6
http://www.howtoforge.com/how-to-install-kvm-and-libvirt-on-centos-6.2-with-bridged-networking
http://centos.digitalcompass.net/centos/6.2/os/x86_64/ ---Grub -> vmlinuz initrd=initrd.img console=ttyS0,115200 text

<pre># yum install qemu-kvm
# chkconfig libvirtd on
# groupadd libvirt; usermod -a -G drew
-> fix policykit permissions on /dev/kvm
# groupadd tun; chown root:tun /dev/net/tun; usermod -a -G tun drew</pre>

<pre># cat /etc/sysconfig/network-scripts/ifcfg-eth0;
DEVICE="eth0"
HWADDR="BC:30:5B:DF:E7:59"
ONBOOT="yes"
BRIDGE=br0</pre>

<pre># cat /etc/sysconfig/network-scripts/ifcfg-br0;
DEVICE="br0"
TYPE=Bridge
DELAY=0
ONBOOT="yes"
BOOTPROTO=static
IPADDR=96.31.87.178
NETMASK=255.255.255.192</pre>

<pre>$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --disk path=/home/aholt/drew.img,size=5,sparse=true --cdrom CentOS-6.2-x86_64-netinstall.iso
$ virt-install --name drew01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --nographics --import --disk path=/home/aholt/drew.img
$ virsh --connect=qemu:///system start drew01
$ virsh autostart drew01</pre>

<pre>$ virt-install --name connor01 --ram 512 --vcpus=1 --arch=x86_64 --hvm --os-type=linux --disk path=/home/cpenhale/cpenhale.img,size=5,sparse=true --cdrom pfSense-2.0.1-RELEASE-amd64.iso --hvm --vnc --noautoconsole</pre>

<pre>$ virsh -c qemu+ssh://aholt@enc02.destinationradiodenver.com/system sysinfo
$ virsh -c qemu:///system console drew01
$ virsh -c qemu:///system sysinfo
$ virsh undefine <vm>
$ virsh start <vm>
$ virsh shutdown <vm> # graceful shutdown
$ virsh destroy <vm> # hard shutdown, essentially pulling the power cord
$ virsh suspend <vm>
$ virsh resume <vm></pre>

Instead of allowing virt-manager to create a new drive image, simply direct it to use the image you created in the previous step.
3. Create the overlay:
<pre>$ qemu-img create -f qcow2 -b <image name>.qcow2 <image name>.ovl</pre>