CentOS 7.4安装telnet服务端

• 安装xinetd服务

# yum -y install xinetd

• 安装telnet-server

# yum -y install telnet-server telnet

• 修改telnet-server配置文件

[[email protected] ~]# cat /etc/xinetd.d/telnet 
# default: yes    
# description: The telnet server servestelnet sessions; it uses \   
# unencrypted username/password pairs for authentication.  
service telnet         
{  
  flags = REUSE  
  socket_type = stream  
  wait = no  
  user = root  
  server = /usr/sbin/in.telnetd  
  log_on_failure += USERID  
  disable = no   
}

• 添加开机自启

systemctl restart xinetd.service
systemctl enable xinetd.service
systemctl enable telnet.socket