ot XsPiDeR(14-10-2015)
reiting (15)
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 Variant za otpechatvane
Izpolzvane na KVM pod CentOS 5
Tova kratko rukovodstvo opisva kak da startirate
virtualna mashina pod CentOS 5.x s pomoshta na qemu i kvm
1. Podgotovka
root# yum install kvm kmod-kvm qemu
root# modprobe kvm
ili modprobe kvm-intel/kvm-amd
Dobavetete potrebitelia si v grupata na KVM
root# usermod -G kvm -a <USERNAME>
root# chown root:kvm /dev/kvm
root# chmod 0660 /dev/kvm
2. Suzdavane na Virtualna Mashina
2.1 Ediniia variant e da kachite virt-manager i da polzvate
grafichniia interfeis. ( Tozi nachin ne opisan tuk. )
root# install virt-manager
2.2 Suzdavane na disk (image)
root# qemu-img create -f qcow2 disk.img 5G
2.3 Instalirane na Sistema
Za instalirane ot iso:
qemu-kvm -hda rhel.img -cdrom Putia/do.iso -m 512 -boot
d
Za instalirane ot cdrom:
qemu-kvm -hda rhel.img -cdrom /dev/cdrom -m 512 -boot d
Sled kato sistemata e instalirana mozhe da ia startirate:
qemu-kvm -hda rhel.img
3.Mrezha ( po-tochno Bridged Tap Networking )
root# yum install bridge-utils
Sega triabva da svalite tunctl.Mozhe da go namerite tuk -
http://download.fedora.redhat.com/pub/f...
#root rpm -ihv
http://download.fedora.redhat.com/pub/f...
i386/os/Packages/tunctl-1.5-1.fc10.i386.rpm
Triabva da redaktirate /etc/udev/rules.d/90-kvm-rules i da
dobavite:
KERNEL=="tun",
NAME="%k", GROUP="kvm",
MODE="0660"
Sega eto edin prost skript koito shte napravi mosta m/u
virtualnata mashina i realnata mrezha
i shte startira qemu
Primernata mrezha e 192.168.1.0/24 bez DHCP Server.
(Promenete
nastroikite spriamo vashite)
#!/bin/sh
PATH=$PATH:/usr/sbin:/sbin
sudo brctl addbr br0
sudo ifconfig eth0 0.0.0.0
sudo brctl addif br0 eth0
sudo ifconfig br0 192.168.1.120 netmask 255.255.255.0
up
sudo route add -net 192.168.1.0 netmask 255.255.255.0
br0
sudo route add default gw 192.168.1.1 br0
sudo tunctl -b -u john
sudo ifconfig tap0 up
sudo brctl addif br0 tap0
export SDL_VIDEO_X11_DGAMOUSE=0
sudo iptables -I RH-Firewall-1-INPUT -i br0 -j ACCEPT
qemu-kvm ~/rhel.img -m 512 -net nic -net
tap,ifname=tap0,script=no
Ako iskate da se svurzhete ot virtualnata mashina kum host
mashinata tia shte otgovaria na adres 192.168.1.120
Tova e nepulen prevod na statiiata ot
http://wiki.centos.org/HowTos/KVM
Sat 06 Dec 2008 01:48:23 PM EET
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