一、在kvm虚拟机中执行如下命令
systemctl start serial-getty@ttyS0.service
systemctl enable serial-getty@ttyS0.service
二、在KVM物理机中进行连接
[root@192-168-5-25 ~]# virsh console node-192.168.5.69-Harbor
Connected to domain node-192.168.5.69-Harbor
Escape character is ^]
CentOS Linux 7 (Core)
Kernel 3.10.0-327.el7.x86_64 on an x86_64
k8s-harbor login: root
Password:
Last login: Thu Sep 5 15:57:10 on ttyS0
[root@k8s-harbor ~]#
按ctrl+]退出登录
三、连接报错 error: operation failed: Active console session exists for this domain
[root@192-168-5-25 ~]# ps aux | grep console
root 162814 0.0 0.0 337104 6476 pts/16 Sl+ 15:47 0:00 virsh console node-192.168.5.69-Harbor
root 163622 0.0 0.0 112664 968 pts/19 S+ 15:56 0:00 grep --color=auto console
[root@192-168-5-25 ~]# kill -9 162814
# 删除进程再重新登录即可
