yuminstallqemu-kvmqemu-kvm-toolsvirt-managerlibvirtvirt-install-y
[root@localhost~]#grep-E'(vmx|svm)'/proc/cpuinfo flags:fpuvmedepsetscmsrpaemcecx8apicsepmtrrpgemcacmovpatpse36clflushdtsmmxfxsRSSesse2sssyscallnxpdpe1gbrdtscplmconstant_tscarch_perfmonpebsbtsnoplxtopologytsc_reliablenonstop_tscaperfmperfpnipclmulqdqvmxssse3fmacx16pcidsse4_1sse4_2x2apicmovbepopcntaesxsaveavxf16crdrandhypervisorlahf_lmaratepbplnptsdthermtpr_shadowvnmieptvpidfsgsbasesmep #如果没有内容则不支持
[root@localhost~]#qemu-imgcreate-fraw/opt/Centos-7.3-x86_64.raw10G Formatting'/opt/Centos-7.3-x86_64.raw',fmt=rawsize=10737418240
systemctlenablelibvirtd.service servicelibvirtdstart
[root@localhost~]#servicelibvirtdstatus Redirectingto/bin/systemctlstatuslibvirtd.service ●libvirtd.service-Virtualizationdaemon Loaded:loaded(/usr/lib/systemd/system/libvirtd.service;enabled;vendorpreset:enabled) Active:active(running)since五2017-05-2614:41:33CST;7minago Docs:man:libvirtd(8) http://libvirt.org MainPID:912(libvirtd) CGroup:/system.slice/libvirtd.service ├─912/usr/sbin/libvirtd ├─2441/sbin/dnsmasq--conf-file=/var/lib/libvirt/dnsmasq/default.conf--leasefile-ro--dhcp-script=/usr... └─2449/sbin/dnsmasq--conf-file=/var/lib/libvirt/dnsmasq/default.conf--leasefile-ro--dhcp-script=/usr... 5月2614:41:24localhost.localdomainsystemd[1]:StartingVirtualizationdaemon... 5月2614:41:33localhost.localdomainsystemd[1]:StartedVirtualizationdaemon. 5月2614:41:38localhost.localdomaindnsmasq[2441]:started,version2.66cachesize150 5月2614:41:38localhost.localdomaindnsmasq[2441]:compiletimeoptions:IPv6GNU-getoptDBusno-i18nIDNDH...auth 5月2614:41:38localhost.localdomaindnsmasq-dhcp[2441]:DHCP,IPrange192.168.122.2--192.168.122.254,leas...1h 5月2614:41:38localhost.localdomaindnsmasq[2441]:reading/etc/resolv.conf 5月2614:41:38localhost.localdomaindnsmasq[2441]:usingnameserver192.168.106.2#53 5月2614:41:38localhost.localdomaindnsmasq[2441]:read/etc/hosts-2addresses 5月2614:41:38localhost.localdomaindnsmasq[2441]:read/var/lib/libvirt/dnsmasq/default.addnhosts-0addresses 5月2614:41:38localhost.localdomaindnsmasq-dhcp[2441]:read/var/lib/libvirt/dnsmasq/default.hostsfile Hint:Somelineswereellipsized,use-ltoshowinfull.
[root@localhost~]#ddif=/dev/cdromof=/opt/CentOs-7.3.iso 记录了8554496+0的读入 记录了8554496+0的写出 4379901952字节(4.4GB)已复制，137.034秒，32.0MB/秒
[root@localhost~]#virt-install--nameCentOS-7.3-x86_64--virt-typekvm--ram1024--cdrom=/opt/CentOs-7.3.iso--diskpath=/opt/Centos-7.3-x86_64.raw--networknetwork=default--graphicsvnc,listen=0.0.0.0--noautoconsole 开始安装...... 创建域......|0B00:00:01 域安装仍在进行。您可以重新连接 到控制台以便完成安装进程。 [root@localhost~]#
VNC连接：
@L_502_1@
CentOS-7安装的时候让网卡名称默认变成eth0的方法：
按TAB键，后面加入：
net.ifnames=0 biosdevname=0
[root@localhostqemu]#virshlist--all Id名称状态 ---------------------------------------------------- -CentOS-7.3-x86_64关闭 -CentOS-7.3-x86_64_1关闭
[root@localhostqemu]#virshstartCentOS-7.3-x86_64_1 域CentOS-7.3-x86_64_1已开始
改cpu： [root@localhostqemu]#pwd /etc/libvirt/qemu [root@localhostqemu]#virsheditCentOS-7.3-x86_64_1 <vcpuplacement='auto'current="1">4</vcpu> 重启： [root@localhostqemu]#virshshutdownCentOS-7.3-x86_64_1 [root@localhostqemu]#virshstartCentOS-7.3-x86_64_1 [root@localhostqemu]#virshsetvcpusCentOS-7.3-x86_64_12--live#热添加或热减少
改内存： virsheditCentOS-7.3-x86_64_1 <memoryunit='KiB'>4048576</memory> 重启： [root@localhostqemu]#virshshutdownCentOS-7.3-x86_64_1 [root@localhostqemu]#virshstartCentOS-7.3-x86_64_1 virshqemu-monitor-commandCentOS-7.3-x86_64_1--hmp--cmdballoon500#热添加或热减少
