We finally got a new server, and I’m starting to migrate our servers to the new box. We currently have a Windows virtualization platform (Hyper-V) — Windows Data Center edition was supposed to provide unlimited licenses for standard servers running on the host, so it seemed like a great deal. Except “all of the Windows servers” turned out to be, well, one. So we decided to use Fedora on the host. Worst case, that would mean re-installing a few servers. But I wanted to try converting the existing Hyper-V VMs.<\/p>\n
Install libvirt and associated packages:<\/em><\/p>\n dnf -y install bridge-utils libvirt virt-install qemu-kvm virt-top libguestfs-tools qemu-img virt-manager<\/p>\n Start libvirtd and set it to auto-start on boot:<\/em><\/p>\n systemctl start libvirtd Create an XML file with the definition for a new bridge:<\/em><\/p>\n [root@localhost ~]# cat br5.xml<\/p>\n <network> Build a new bridge from this definition and set it to auto-start on boot:<\/em><\/p>\n [root@localhost ~]# virsh net-define br5.xml [root@localhost ~]# virsh net-autostart br5 Verify the network is running and set to auto-start<\/em><\/p>\n [root@localhost ~]# virsh net-list –all View the IP address associated with the bridge:<\/em><\/p>\n [root@localhost ~]# ip addr show dev br5 Copy the VHDX from Hyper-V to the Linux host and convert it to a qcow2 image:<\/em><\/p>\n qemu-img convert -O qcow2 fedora02.vhdx fedora02.qcow2<\/p>\n If needed, sysprep to clean up system SSH host keys, persistent network MAC configuration, and removing user accounts. <\/em> When finished, use virt-manager to create a host by importing an existing HDD. Provided the drive type remains the same (SATA, in my case), the server boots right up.<\/p>\n","protected":false},"excerpt":{"rendered":" We finally got a new server, and I’m starting to migrate our servers to the new box. We currently have a Windows virtualization platform (Hyper-V) — Windows Data Center edition was supposed to provide unlimited licenses for standard servers running on the host, so it seemed like a great deal. Except “all of the Windows …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[861,859,860],"class_list":["post-5803","post","type-post","status-publish","format-standard","hentry","category-system-administration","tag-kvm","tag-libvert","tag-qemu"],"_links":{"self":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/5803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5803"}],"version-history":[{"count":1,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/5803\/revisions"}],"predecessor-version":[{"id":5804,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/5803\/revisions\/5804"}],"wp:attachment":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nsystemctl enable libvirtd<\/p>\n
\n<name>br5<\/name>
\n<forward mode=’nat’>
\n<nat>
\n<port start=’1024′ end=’65535’\/>
\n<\/nat>
\n<\/forward>
\n<bridge name=’br5′ stp=’on’ delay=’0’\/>
\n<ip address=’10.1.2.1′ netmask=’255.255.255.0′>
\n<dhcp>
\n<range start=’10.1.2.200′ end=’10.1.2.250’\/>
\n<\/dhcp>
\n<\/ip>
\n<\/network><\/p>\n
\nNetwork br10 defined from br5.xml<\/p>\n
\nNetwork br5 marked as autostarted<\/p>\n
\nName State Autostart Persistent
\n———————————————-
\nbr5 active yes yes<\/p>\n
\n5: br5: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
\nlink\/ether 52:54:00:33:3f:0c brd ff:ff:ff:ff:ff:ff
\ninet 10.1.2.1\/24 brd 10.1.2.255 scope global br10
\nvalid_lft forever preferred_lft forever<\/p>\n
\nvirt-sysprep -a fedora02.qcow2<\/p>\n