KVM インストール2011/04/30 |
| 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# 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 bridge_ports eth0 bridge_stp off auto br0 root@dlp:~# ifdown eth0 && ifup br0 && ifup eth0 root@dlp:~# br0 Link encap:Ethernet HWaddr 00:1a:4d:45:9f:57 inet addr:10.0.0.30 Bcast:10.0.0.255 Mask:255.255.255.0 inet6 addr: fe80::21a:4dff:fe45:9f57/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:67 errors:0 dropped:0 overruns:0 frame:0 TX packets:71 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:7320 (7.3 KB) TX bytes:9050 (9.0 KB) eth0 Link encap:Ethernet HWaddr 00:1a:4d:45:9f:57 inet6 addr: fe80::21a:4dff:fe45:9f57/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:10179 errors:0 dropped:0 overruns:0 frame:0 TX packets:5592 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:12923152 (12.9 MB) TX bytes:543433 (543.4 KB) Interrupt:43 Base address:0x8000 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:12 errors:0 dropped:0 overruns:0 frame:0 TX packets:12 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2268 (2.2 KB) TX bytes:2268 (2.2 KB) virbr0 Link encap:Ethernet HWaddr ee:cb:58:25:0a:0d inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING 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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