kvm cmd

# gracefully shutdown
virsh shutdown  
# force shutdown
virsh destroy
# delete VM
virsh undefine

virt-install --virt-type=kvm \
 --name MasteringKVM01 \
 --vcpus 2 \
 --ram 4096 \
 --os-variant=rhel8.0 \
 --cdrom=/var/lib/libvirt/images/CentOS-8-x86_64-1905-dvd1.iso  \
 --network=default \
 --graphics vnc \
 --disk size=16
 
virt-install --virt-type=kvm \
 --name MasteringKVM01 \
 --vcpus 2 \
 --ram 4096 \
 --os-variant=rhel8.0 \
 --location=/var/lib/libvirt/images/CentOS-8-x86_64-1905-dvd1.iso  \
 --network=default \
 --graphics vnc \
 --disk size=16 \
 -x "ks=http://10.10.48.1/ks.cfg"

Network

<network>
  <name>default</name>
  <uuid>5f883153-39f1-4a3f-ab38-7ffd9e7eebf1</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0'/>
  <mac address='52:54:00:ad:98:3a'/>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254'/>
    </dhcp>
  </ip>
</network>

virsh net-define packtnat.xml
virsh net-start packtnat
virsh net-autostart packtnat
virsh net-list

 virsh attach-interface \
  --domain MasteringKVM01 \
  --source isolated \
  --type network \
  --model virtio \
  --config \
  --live

TUN emulates an L3, TAP emulates L2

brctl addbr testbr
ip tuntap add dev vm-vnic mode tap
ip link show vm-vnic
brctl addif testbr vm-vnic


# For deleting
brctl delif testbr vm-vnic
ip tuntap del dev vm-vnic mode tap
brctl delbr testbr

virt-install --name nd-node1 \
	--vcpus 16 --ram 64000 --osinfo linux2020 \
	--disk path=/home/nd-node1/nd-node1-disk1.qcow2 \
	--disk path=/home/nd-node1/nd-node1-disk2.qcow2 \
	--network bridge:br-oob,model=virtio,address.type=pci,address.domain=0,address.bus=0,address.slot=3 \
	--network bridge:br-vnd,model=virtio,address.type=pci,address.domain=0,address.bus=0,address.slot=4 \
	--noautoconsole 
	--import

[email protected] / [email protected] / Admin@huawei / admin@huawei / admin

virt-install               \
    --connect=qemu:///system  \
    --name=my_csr_vm          \
    --description "Test VM"   \
    --os-type=linux           \
    --os-variant=rhel4        \
    --arch=x86_64             \
    --cpu host                \
    --vcpus=1,sockets=1,cores=1,threads=1    \
    --hvm                     \
    --ram=4096                \
    --cdrom=<path_to_csr1000v_iso>           \
    --disk path=csr_disk.qcow2,bus=virtio,size=8,sparse=false,cache=none,format=qcow2   \
    --network bridge=virbr0,model=virtio     \
    --noreboot



virt-install -n huawei02 \
    -r 2048 \
    --osinfo generic \
    --import   \
    --arch x86_64  \
    --machine pc  \
    --disk path=/var/lib/libvirt/images/huaweiar1k-5.170.qcow2,format=qcow2,bus=ide  \
    --vnc \
    --network=bridge:br0,model=virtio


virt-install -n tgbot \
    -r 2048 \
    --osinfo ubuntu22.04 \
    --import   \
    --arch x86_64  \
    --machine pc  \
    --disk path=/var/lib/libvirt/images/telegabot.qcow2,format=qcow2,bus=virtio  \
    --vnc \
    --network=bridge:br0,model=virtio