I installed KVM on my debian host. Since I have 8 cores and 32GB RAM I have room to play around 🙂 And since I have some experience with KVM it was the obvious choice.
Installing KVM : easy … apt is your friend
Creating an VM : easy … Maybe I’ll once write it up
I could connect to the VM, using the console. However from within the VM I could only ping itself. I forgot to create a (virtual) bridge device which connect the VMs to the host machine.
So what to do:
root@radijs:~# cat br0.xml <network> <name>br0</name> <forward mode='nat'> <nat> <port start='1024' end='65535'/> </nat> </forward> <bridge name='br0' stp='on' delay='0'/> <ip address='192.168.3.1' netmask='255.255.255.0'> <dhcp> <range start='192.168.3.2' end='192.168.3.20'/> </dhcp> </ip> </network> root@radijs:~#
Make KVM aware of the bridge:
root@radijs:~# virsh net-define br0.xml Network br0 defined from br0.xml root@radijs:~#
Start the just defined bridge:
root@radijs:~# virsh net-start br0 Network br0 started root@radijs:~#
Make sure it will autostart,
root@radijs:~# virsh net-autostart br0 Network br0 marked as autostarted root@radijs:~#
Do I now actually have a bridge:
root@radijs:~# virsh net-list Name State Autostart Persistent ----------------------------------------- br0 active yes yes root@radijs:~#
Yes I have.
The proof of the pudding is in the eating:…Can I now reach the world from my VM’s?
I can not show you….but yes ….I can.