1.执行安装语句
- yum -y install telnet-server.x86_64
- yum -y install telnet.x86_64
- yum -y install xinetd.x86_64
2.设置开机自启:
- systemctl enable xinetd.service
- systemctl enable telnet.socket
3,开启service:
- systemctl start telnet.socket
- systemctl start xinetd
4.编辑vi /etc/securetty 允许 root 账号登陆末尾添加两行