existing disk image
%%(bash)
$ virt-install \
--connect=qemu:///system \
-n centos64 \
-r 1024 \
--description="CentOS 6.4" \
--os-type=linux \
--disk path=./centos64.qcow2,format=qcow2,bus=virtio \
--import \
--nographics \
--cpu=host
%%
%%
# virt-edit centos64 /boot/grub/grub.conf
%%
add
**console=ttyS0**
How to connect:
%%(bash)
$ virsh -c qemu:///system console centos64
Connected to domain centos64
Escape character is ^]
CentOS release 6.4 (Final)
Kernel 2.6.32-358.el6.x86_64 on an x86_64
centos64 login:
ctrl+]
$
%%
another way !
%%(bash)
$ virsh -c qemu:///system dumpxml centos64 | grep console
<console type='pty' tty='/dev/pts/5'>
</console>
sudo minicom -p /dev/pts/5
%%
**The debian way**
with the above in place, uncomment also this:
%%
T0:23:respawn:/sbin/getty -L ttyS0 9600 vt100
%%
=== qemu syslinux serial ===
**syslinux**
%%
LABEL arch
MENU LABEL ArchLinux
LINUX ../vmlinuz-linux
APPEND root=/dev/vda1 rw nomodeset
INITRD ../initramfs-linux.img
serial 0
%%
**systemd**
%%
systemctl start serial-getty@ttyS0.service
&&
cp /usr/lib/systemd/system/serial-getty\@.service getty\@ttyS0.service
%%
**qemu**
%%
qemu-system-x86_64 -drive file=archlinux.qed,if=virtio -serial stdio -display none
%%
=== Centos 7 ===
==== Add serial console device ====
%%
$ virsh -c qemu:///system edit centos7
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
%%
==== Edit grub.conf ====
%%console=ttyS0,115200%%
(if you have **libguestfs**)
%%
$ virt-edit centos7 /boot/grub2/grub.cfg
%%
eg.
%%
linux16 /boot/vmlinuz-3.10.0-514.el7.x86_64 root=UUID=63bda94a-8c1d-4d66-95c5-1525b7cdb8da ro rhgb quiet LANG=en_US.UTF-8 console=ttyS0,115200
%%
==== Connect to Console ====
%%
$ virsh --connect qemu:///system console centos7
%%