VLAN is a crucial L2 network technology for increasing broadcast domain at the end it gives you better network utilization and security. If you are familiar with vmWare technology you can create a port group on a dVS or Standard switch. But If you need to segregate your network on KVM hypervisor, you need some […]
Read More →Hi Folks, As you may know, Libvirt virtual network switches operates in NAT mode in default (IP Masquerading rather than SNAT or DNAT). In this mode Virtual guests can communicate outside world. But, Computers external to the host can’t initiate communications to the guests inside, when the virtual network switch is operating in NAT mode. […]
Read More →Windows Server 2012 R2 hangs during the installation on KVM hypervisor on Ubuntu . Windows Server 2012 R2 hangs in the installation step. Version of the Virtual Host: gokay@ankara:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.3 LTS Release: 16.04 Codename: xenial Solution: Check your Virtual Disk Bus. And […]
Read More →Creating a VLAN on KVM requires more raw networking knowledge in comparison to VMware world. KVM requires some Linux networking knowledge beside general understanding of computer networks. I did not see more information on the Internet about that. To fill this gap I write this post. 🙂 Actually there are more than one methods creating […]
Read More →Hello, In this very short post, I will share with you how to create a shared disk on KVM host ugliest way :). It is prerequisite for the next post. In the next topic, I will share with you how to build a two-node cluster on RedHat. I will use latest version of CentOS6 for […]
Read More →QCOW2 is a disk image format which used by QEMU virtualization software. Install Software: root@ankara:~# apt-get install libguestfs-tools Create a directory for the mount point. root@ankara:/data/rhcevms# mkdir /mnt/qcow2 Mounting qcow2 disk If you do not know the disk partition name you can use bogus partition name. In this case I used “asssd”. guestmount showed me […]
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