1、安装配置kvm虚拟机
1.1 环境准备
Ubuntu 18.04:192.168.37.18
验证开启虚拟化:
<root@ubuntu181 ~>#grep -E "vmx|svm" /proc/cpuinfo | wc -l
2
安装相关工具包:apt install qemu-kvm virt-manager libvirt-daemon-system
验证是否支kvm:
<root@ubuntu181 ~>#kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used
1.2 创建磁盘
默认保存虚拟机磁盘的路径:/var/lib/libvirt/images/
创建一个格式为qcow2大小为10G的稀疏格式磁盘:
<root@ubuntu181 ~>#qemu-img create -f qcow2 /var/lib/libvirt/images/centos.qcow2 10G
Formatting '/var/lib/libvirt/images/centos.qcow2', fmt=qcow2 size=10737418240 cluster_size=65536 lazy_refcounts=off refcount_bits=16
查看磁盘:
<root@ubuntu181 ~># ll -h /var/lib/libvirt/images/centos.qcow2
-rw-r--r-- 1 root root 193K Jul 12 21:41 /var/lib/libvirt/images/centos.qcow2
上传镜像:
<root@ubuntu181 ~>#ll -h /usr/local/src/CentOS-7-x86_64-Minimal-1511.iso
-rw-r--r-- 1 libvirt-qemu kvm 603M Jul 12 13:08 /usr/local/src/CentOS-7-x86_64-Minimal-1511.iso
1.3 创建NAT网络虚拟机
创建默认网络虚拟机:
virt-install --virt-type kvm --name centos7 --ram 1024 --vcpus 2 --cdrom=/usr/local/src/CentOS-7-x86_64-Minimal-1511.iso --disk path=/var/lib/libvirt/images/centos.qcow2 --network network=default --graphics vnc,listen=0.0.0.0 --noautoconsole
1.4 通过virt-manager管理虚拟机
<root@ubuntu181 ~>#virsh list --all
Id Name State
----------------------------------------------------
3 centos7 running
<root@ubuntu181 ~># virsh start centos7
error: Domain is already active
<root@ubuntu181 ~>#virt-manager
2、安装配置openstack