KVM インストール2012/05/07 |
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KVM ( Kernel-based Virtual Machine ) +QEMU での仮想化です。
搭載しているCPUが仮想化機構( Intel VT 等 )を備えている必要があります。
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| [1] | まずは必要なもののインストールです。 |
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root@dlp:~# aptitude -y install kvm qemu-kvm libvirt-bin virtinst bridge-utils
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| [2] | ネットワーク仮想化のオーバーヘッドを減らすことができる vhost-net を有効にしておきます。 |
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root@dlp:~# modprobe vhost_net root@dlp:~# lsmod | grep vhost vhost_net 27606 0 root@dlp:~# echo vhost_net >> /etc/modules |
| [3] | ブリッジネットワークを構成しておきます。 |
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root@dlp:~#
vi /etc/network/interfaces # 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 # 以下のように変更 auto eth0 iface eth0 inet manual # iface eth0 inet static# address 10.0.0.50# network 10.0.0.0# netmask 255.255.255.0# broadcast 10.0.0.255# gateway 10.0.0.1# dns-nameservers 10.0.0.30
# ブリッジインターフェース設定追記
iface br0 inet static
address 10.0.0.30 network 10.0.0.0 netmask 255.255.255.0 broadcast 10.0.0.255 gateway 10.0.0.1 dns-nameservers 10.0.0.30 bridge_ports eth0 bridge_stp off auto br0 ifdown eth0 && ifup br0 && ifup eth0 root@dlp:~#
br0 Link encap:Ethernet HWaddr 00:24:1d:7f:d4:60
inet addr:10.0.0.30 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::224:1dff:fe7f:d460/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:168 errors:0 dropped:0 overruns:0 frame:0
TX packets:169 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:14351 (14.3 KB) TX bytes:17884 (17.8 KB)
eth0 Link encap:Ethernet HWaddr 00:24:1d:7f:d4:62
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10379 errors:0 dropped:0 overruns:0 frame:0
TX packets:5735 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12879442 (12.8 MB) TX bytes:504266 (504.2 KB)
Interrupt:46 Base address:0x2000
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:288 errors:0 dropped:0 overruns:0 frame:0
TX packets:288 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:22432 (22.4 KB) TX bytes:22432 (22.4 KB)
virbr0 Link encap:Ethernet HWaddr de:46:e5:f6:02:c4
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)
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