升级ssh,为预防万一提前配置telnet服务
安装软件包
yum install telnet-server
yum install xinetd
xinetd加入开机自启:
systemctl enable xinetd.service
telnet加入开机自启:
systemctl enable telnet.socket
启动服务:
systemctl start telnet.socket
systemctl start xinetd
测试链接
telnet 192.168.1.111