Installation telnet
First, by detecting the rpm command packet and telnet are installed xinetd
Command
rpm -qa telnet
rpm -qa xinted
Installation telnet
yum list | grep telnet (telnet filter out related packages)
yum install telnet-server.x86_64
yum install telnet.x86_64
Installation xinted
yum list |grep xinetd
yum install xinetd
Note: root user can not connect remotely
So, useradd ppp create user
passwd password
In the crt can be connected