virsh console ubuntu
ubuntu guest setting
systemctl disable systemd-networkd-wait-online
systemctl enable serial-getty@ttyS0.service
systemctl start serial-getty@ttyS0.service
login by console
virsh console ubuntu1
exit guest
ctrl + ]
virsh xml define
<domain type='kvm' >
<name>slb1</name>
<memory unit='MiB'>1024</memory>
<currentMemory unit='MiB'>1024</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
<!--boot dev='cdrom'/-->
</os>
<features>
<acpi/>
<apic/>
</features>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/opt/vms/slb1.qcow2'/>
<target dev='hda' bus='ide'/>
</disk>
<interface type='network'>
<source network='default'/>
<target dev='vnet-slb1'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='mouse' bus='ps2'>
<alias name='input0'/>
</input>
<input type='keyboard' bus='ps2'>
<alias name='input1'/>
</input>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<graphics type='vnc' port='-1' listen = '0.0.0.0' keymap='en-us'/>
</devices>
</domain>
end.