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标题: CentOS7.8安装KVM [打印本页]

作者: admin 时间: 2019-10-17 18:57 标题: CentOS7.8安装KVM

笺注：这是在最小化安装CentOS7.8 的基础上进行的。 VMware Workstation要启用虚拟化引擎: 图片2.png

操作系统的版本：

系统的语言环境：（中文） [root@ser1 ~]# echo $LANG zh_CN.UTF-8 先安装图形界面：（实验中用本地光盘作为YUM源） [root@ser1 ~]# yum -y groupinstall "GNOME Desktop" 进入图形界面： [root@ser1 ~]# init 5 点击“前进” 图片5.png

点击“前进”

点击“前进”

点击“前进”

点击“跳过”

创建新用户：

要符合密码复杂性要求！图片11.png

打开“终端”

笺注：直接登录的是新用户 zhuohua 注销当前用户：图片15.png

使用管理员用户root登录系统：图片17.png

设置服务器重启后从图形界面启动： [root@ser1 ~]# systemctl set-default graphical.target Removed symlink /etc/systemd/system/default.target. Created symlink from /etc/systemd/system/default.target to /usr/lib/systemd/system/graphical.target. 重启服务器： [root@ser1 ~]# init 6 笺注：设置服务器重启后从命令行界面启动： [root@ser1 ~]# systemctl set-default multi-user.target Removed symlink /etc/systemd/system/default.target. Created symlink from /etc/systemd/system/default.target to /usr/lib/systemd/system/multi-user.target. 备注：实验中，服务器有两张物理网卡虚拟网桥的配置： [root@ser1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 DEVICE=br0 ONBOOT=yes BOOTPROTO=static IPADDR="192.168.168.190" NETMASK="255.255.255.0" GATEWAY="192.168.168.2" DNS1="8.8.8.8" DNS2="114.114.114.114" USERCTL=no TYPE=Bridge 网卡bonding的配置： [root@ser1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 ONBOOT=yes BONDING_OPTS="mode=1 miimon=100 fail_over_mac=1" BRIDGE="br0" 两张物理网卡的配置： [root@ser1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-ens33 DEVICE=ens33 ONBOOT=yes SLAVE=yes USERCTL=no BOOTPROTO=static MASTER=bond0 [root@ser1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-ens38 DEVICE=ens38 ONBOOT=yes SLAVE=yes USERCTL=no BOOTPROTO=static MASTER=bond0 重启network服务后，修改生效： [root@ser1 ~]# systemctl restart network 网卡bonding、虚拟网桥配置成功： [root@ser1 ~]# ifconfig bond0: flags=5187 mtu 1500 ether 00:0c:29:8a:fb:77 txqueuelen 1000 (Ethernet) RX packets 16 bytes 1112 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 32 bytes 4461 (4.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 br0: flags=4163 mtu 1500 inet 192.168.168.190 netmask 255.255.255.0 broadcast 192.168.168.255 inet6 fe80::88b9:15ff:fe65:771e prefixlen 64 scopeid 0x20 ether 00:0c:29:8a:fb:77 txqueuelen 1000 (Ethernet) RX packets 8 bytes 490 (490.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 38 bytes 4781 (4.6 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens33: flags=6211 mtu 1500 ether 00:0c:29:8a:fb:77 txqueuelen 1000 (Ethernet) RX packets 698 bytes 54489 (53.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1023 bytes 237563 (231.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens38: flags=6211 mtu 1500 ether 00:0c:29:8a:fb:81 txqueuelen 1000 (Ethernet) RX packets 27 bytes 3364 (3.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 32 bytes 4978 (4.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Local Loopback) RX packets 64 bytes 5632 (5.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 64 bytes 5632 (5.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099 mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:7f:c1:cc txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 查看bond0接口的状态: [root@ser1 ~]# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: fault-tolerance (active-backup) (fail_over_mac active) Primary Slave: None Currently Active Slave: ens38 #可以看到网卡ens38处于活跃状态 MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: ens38 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 00:0c:29:8a:fb:81 Slave queue ID: 0 Slave Interface: ens33 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 00:0c:29:8a:fb:77 Slave queue ID: 0 ###### 安装KVM软件组： [root@ser1 ~]# yum -y groups install "Virtualization Host" "Virtualization Client" "Virtualization Platform" 查看KVM版本的信息： virsh version 图片1.png

查看KVM节点（服务器）的信息： virsh nodeinfo 图片2.png

KVM守护程序libvirtd： [root@ser1 ~]# systemctl is-enabled libvirtd enabled [root@ser1 ~]# ps -ef |grep libvirtd |grep -v grep root 2470 1 0 13:52 ? 00:00:00 /usr/sbin/libvirtd 打开虚拟系统管理器图片22.png

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