Centos7安装telnet

1.检查是否有安装

rpm -qa telnet-server
rpm -qa xinetd

2.安装

yum -y install telnet-server.x86_64
yum -y install telnet.x86_64
yum -y install xinetd.x86_64

3.设置开机启动

systemctl enable xinetd.service
systemctl enable telnet.socket

4.启动

systemctl start telnet.socket
systemctl start xinetd

5.运行测试

telnet 127.0.0.1 3306