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分类: 系统运维

2015-08-12 12:35:52

When KVM installing windows, F8 key is not enable, so we need press ctrl + F8 instead.
安装准备
     首先检查CPU是否支持安装KVM:英特尔VT或AMD-V处理器才支持安装虚拟机,可用命令查看:
     $ egrep -o '(vmx|svm)' /proc/cpuinfo
     输出下面的信息说明该CPU支持安装KVM:
     vmx
     vmx

安装KVM
    (1) 安装软件包
    sudo apt-get install qemu-kvm libvirt-bin virt-manager bridge-utils qemu-system
sudo apt-get install kvm qemu
sudo apt-get install virtinst python-libvirt virt-viewer virt-manager
sudo apt-get install bridge-utils
    其中:virt-manager为GUI管理窗口,bridge-utils:用于网络桥接。
    (2) 安装测试
    执行下面的命令看KVM是否安装成功:
    kvm -ok
    输出信息:
    INFO: /dev/kvm exists
 KVM acceleration can be used
    如果提示信息为:
    INFO: KVM (vmx) is disabled by your BIOS(KVM [vmx]被你的BIOS禁用)
    HINT: Enter your BIOS setup and enable Virtualization Technology (VT)
    则需要进入的BIOS设置界面,启用虚拟化技术[VT],设置步骤为:
 
    进入BIOS后,选择ADVANCED,然后至 PROCESSOR CONFIGURATION进去找到,
    INTEL (R) VIRTUALIZATION  TECHNOLOGY ,设置成ENABLE,保存退出 。
    验证KVM内核是否加载成功:
    lsmod | grep kvm
    输出为:
    kvm_intel     47162   0
    kvm           317577  1  kvm_intel
    若KVM内核没加载执行下面命令加载:    
   $ sudo modprobe kvm
   $sudo modprobe kvm-intel ( or kvm-amd )
证实KVM正常运行
    virsh -c qemu:///system list
    将输出:
    Id Name State
    如果提示你没权限操作,则需要将当前操作账户添加进libvirtd组,命令为:
    sudo usermod -G libvirtd -a fdc
    (4) 启动KVMGUI
    virt-manager
    (5) 确认libvirtld后台服务是否启动
    sudo service libvirt-bin status


如下是修改完成后的网卡配置文件,具体配置步骤请往下看。
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
auto p128p1
iface p128p1 inet manual
# The primary network interface
auto br0
auto eth0
iface br0 inet static
address 103.111.246.17
netmask 255.255.255.92
network 103.111.246.18
broadcast 103.11.246.11
gateway 103.111.246.19
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 103.111.24.2
        gateway 103.11.26.19
bridge_ports p128p1

____________________________________________________________________

Following is config network adapter steps:
1. check interface information.

fjxajey2a9@P10311246187188:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 6c:62:6d:7c:24:42
          inet addr:103.11.246.187  Bcast:103.11.246.191  Mask:255.255.255.192
          inet6 addr: fe80::6e62:6dff:fe7c:2442/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:392753 errors:0 dropped:0 overruns:0 frame:0
          TX packets:197178 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:461455515 (461.4 MB)  TX bytes:16359742 (16.3 MB)
          Interrupt:46 Base address:0xc000


lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


virbr0    Link encap:Ethernet  HWaddr 82:d7:f9:7f:7c:fb
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


fjxajey2a9@P10311246187188:~$
sudo cp /etc/network/interfaces /etc/network/interfaces.bak1
cd /etc/network
sudo vim interfaces

2. After opening the configure file, Following is the contents:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).


# The loopback network interface
auto lo
iface lo inet loopback


# The primary network interface
auto eth0
iface eth0 inet static
        address 103.11.246.187
        netmask 255.255.255.192
        network 103.11.246.128
        broadcast 103.11.246.191
        gateway 103.11.246.129
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 103.11.244.2

3. Change into below file
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).


# The loopback network interface
auto lo
iface lo inet loopback
iface eth0 inet manual
# The primary network interface
auto br0
auto eth0
iface br0 inet static
        address 103.11.246.187
        netmask 255.255.255.192
        network 103.11.246.128
        broadcast 103.11.246.191
        gateway 103.11.246.129
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 103.11.244.2
        bridge_ports eth0
4. Save and quit.
___________________________________________________________________________
重启网卡配置生效,如果配置不生效就重启服务器配置生效:/etc/init.d/networking restart

ifconfig
fjxajey2a9@P10311246187188:/etc/network$ ifconfig
br0       Link encap:Ethernet  HWaddr 6c:62:6d:7c:24:42
          inet addr:103.11.246.187  Bcast:103.11.246.191  Mask:255.255.255.192
          inet6 addr: fe80::6e62:6dff:fe7c:2442/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:105 errors:0 dropped:0 overruns:0 frame:0
          TX packets:128 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:10544 (10.5 KB)  TX bytes:22666 (22.6 KB)


eth0      Link encap:Ethernet  HWaddr 6c:62:6d:7c:24:42
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:398034 errors:0 dropped:0 overruns:0 frame:0
          TX packets:199878 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:461938965 (461.9 MB)  TX bytes:16805360 (16.8 MB)
          Interrupt:46 Base address:0xc000


lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:24 errors:0 dropped:0 overruns:0 frame:0
          TX packets:24 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1824 (1.8 KB)  TX bytes:1824 (1.8 KB)


virbr0    Link encap:Ethernet  HWaddr 82:d7:f9:7f:7c:fb
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

使用命令virt-manager进入虚拟机配置的图形界面进行配置。
注意安装的时候硬盘要选择scsi格式的,不要用ide格式的,否则会很慢。架构也要使用qemu不要使用kvm。

When KVM installing windows, F8 key is not enable, so we need press ctrl + F8 instead.
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