Centos7下安装Telnet服务
1.检查本机是否安装了telnet 命令：rpm -qa telnet-server 命令：rpm -qa xinetd 2、yum在线安装telnet 命令：yum -y install telnet-server.x86_64 命令：yum -y install telnet.x86_64 命令：yum -y install xinetd.x86_64 3.设置开机启动 命令：chkconfig telnet on 命令：systemctl enable xinetd.service 命令：systemctl enable telnet.socket 4.开启telnet服务 命令：systemctl start telnet.socket 命令：systemctl start xinetd 5.输入telnet即可正常使用
