kvm日常管理
創建虛擬機
快速啟動虛擬機
[root@localhost ~]# yum install kvm libvirt python-virtinst qemu-kvm virt-viewer bridge-utils virt-install -y
[root@localhost ~]# systemctl start libvirtd
[root@localhost ~]# systemctl enable libvirtd
[root@localhost ~]# vim /etc/libvirt/qemu.conf
vnc_listen = "0.0.0.0"
[root@localhost ~]# qemu-img create -f qcow2 /data/system-ubuntu.img 20G
virt-install --name ubuntu14.4 --boot hd,cdrom --virt-type kvm --ram 1024 --vcpus 2 --network=default --cdrom=/data/ubuntu-14.04.3-desktop-amd64.iso --disk path=/data/system-ubuntu.img --graphics vnc,password=root,port=5910 --noautoconsole
橋接網絡
[[email protected] ~]# vim /etc/sysconfig/network-scripts/ifcfg-eth0 #設置eth0為橋接模式
BOOTPROTO=none
DEVICE="eth0"
NM_CONTROLLED=no
ONBOOT="yes"
BRIDGE=br0
[[email protected] ~]# vim /etc/sysconfig/network-scripts/ifcfg-br0 #新建網橋配置文件
BOOTPROTO=static
TYPE=Bridge
DEVICE=br0
NM_CONTROLLED=no
IPADDR=192.168.100.129
NETMASK=255.255.255.0
GATEWAY=192.168.100.2
DNS1=10.0.0.51
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快照
[[email protected] ~]# virsh snapshot-create-as ubuntu14.4 16-03 #為ubuntu14.4創建名為16-03的快照
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