yum install telnet-server xinetd -y
#安装telnet软件包
systemctl stop firewalld
#关闭防火墙
vim /etc/securetty
末尾添加两行
pst/0
pst/1
systemctl start xinetd telnet.socket
#启动服务
systemctl enable xinetd telnet.socket
useradd test
#新建用于测试的账户
echo 123456 | passwd --stdin test
#设置test账户密码为123456
win+r
输入telnet
打开telnet
客户端
输入o 192.168.243.128
(此处IP为虚拟机IP)
输入用户名密码即可成功登录