How to determine disk image file format: VMDK, VHD or raw file format?
Abhay Gupta asked: Is there any shell command using which I can determine the format of a disk image file? I want to check that disk image file is in …
ansible doesn't find the role mentioned in the playbook
Hiddai asked: I’m pretty new with Ansible so I might configured things wrong [I have a Docker container running Ansible service in it I have an Ansible repository that include …
Can ssh into Ubuntu 20.04 virtual machine but domifaddr shows no IP
azaroseu asked: I created an Ubuntu 20.04 virtual machine following this guide. I am able to ssh into the virtual machine using the IP address I wrote in the network-config …
Raw LVM disk write is four times faster on host than inside KVM guest?
Nick asked: I’ve got a Debian 10.6 Host, with a Debian 10.6 guest. KVM/Qemu/libvirt. The host has a software RAID 10 array with 6 mechanical disks. LVM is on top …
splitting tcp traffic to multiple recipients on the backend?
Kevin Martin asked: let’s assume that i have a domain name of kevin.com and I have multiple servers that sit behind nginx. Load balancing http traffic is easy with nginx …
FQDN for a postfix/dovecot virtual machine inside host with a single public IP
Erion asked: I want to install iRedMail (== postfix + dovecot) in a virtual machine inside an internet-facing host with a single IP. The host is named host.mydomain.com with IP …
pcie SR-IOV driver howto
risonwung asked: I am trying to know how linux PCIE NIC SR-IOV work. I am using a Unbuntu with Intel 82599 NIC as a host. Under NIC driver directory(ixgbe) in …
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 …
Virtual Networking in KVM breaking internet access
hypersonics asked: I have set up a virtual networking on my CentOS 7 Workstation and the primary physical network interface is bridged as per this RHEL article. libvirtd is running …
Cant find much documentation regarding over committing of memory for VM's on a KVM host
Anees Patel asked: Most operating systems do not use 100% of the available RAM all the time, having said that I am unable to find an approximation for this over …