Centos7 - install telnet service

1. Execute the installation statement

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

2. Set the boot to start automatically:

• systemctl enable xinetd.service
• systemctl enable telnet.socket

3, start the service:

• systemctl start telnet.socket
• systemctl start xinetd

 4. Edit vi /etc/securetty to allow root account login and add two lines at the end

1  pts/0
 2  pts/1
 3 pts/2

Note: 3 are allowed to log in for the terminal, ,, and the fourth is rejected

5. Successful landing