How to interpret CPU utilisation on KVM guest / host
dsl101 asked: I have a host Ubuntu 18.04 64-bit os running on a 24-core Xeon system. I’ve allocated 2 vCPUs to the guest which is Ubuntu 18.04 32-bit, and it’s …
Is it possible to undo virsh undefine on a running VM?
Olav Grønås Gjerde asked: I accidentally wrote the wrong command, as the VM is still running it is not yet removed. Is it possible to undo this action? My answer: …
Exiting Virt-top shows error message in server logs
Jevin Gala asked: I see message in /var/log/messages after quitting virt-top command : libvirtd: 2020-07-11 12:36:22.206+0000: 3462: error :virNetSocketReadWire:1806 : End of file while reading data: Input/output error Is it …
KVM live migration for non shared lvm storage
Ash asked: I am trying to live migrate my KVM based VM from one host to another for non shared storage using virsh migrate. I have set both the hostnames …
The kvm virtual machine not found bridge network in fedora 32
Dolphin asked: I am configure a bridge network in my Fedora 32 machine,this is my ifconfig output: [[email protected] network-scripts]# ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.2 netmask 255.255.255.0 broadcast 192.168.31.255 …
Should I use "detect-zeroes" for TRIM/discard support on QEMU guests?
MrCalvin asked: Until now I’ve enabled discard on my QEMU guests using the libvirt XML command .. <driver name=’qemu’ type=’qcow2′ discard=’unmap’ /> .. And it seems to work fine. Now …
KVM virtual machines obtaining addresses via dhcp IPv4
James asked: I’ve got a DHCP and DNS server on a different machine to my KVM host. Is there any way I can get VM’s to get an IP address …
Cockpit-Machines Guest Machines configuration location
Irvin H. asked: I’ve installed Cockpit and cockpit-machines to manage KVM virtual machines. I tried installing Lubuntu through cockpit but it fails with an error: ERROR unsupported configuration: CPU mode …
Virsh can't detect my new vm
Ita Subagja asked: I have a *.qcow2 image from my old OS, it contains Windows 10. Then I copied it to the new OS and tried to install it. I …
virsh: networkGetBridgeName error
Artur asked: I’m trying to configure foreman. So far I connected foreman to one of our KVM hosts. Specifically, this is a libvirt and we are using virsh for managing …