查詢是否安裝telnet-serversession
rpm -qa |grep telnet-serversocket
若是未安裝,進行telnet-server安裝tcp
yum install telnet-server
2、安裝xinetdspa
查詢是否安裝xinetdrest
rpm -qa | grep xinetd
若是沒有進行安裝,使用yum進行安裝code
yum install xinetd
3、配置能夠telent登陸server
修改文件: yum install xinetd,註釋掉disable或者改成noblog
# default: on # description: The telnet server serves telnet 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 }
修改/etc/securetty文件,新增能夠訪問終端數,增長pts數量ip
console vc/1 vc/2 vc/3 vc/4 vc/5 vc/6 vc/7 vc/8 vc/9 vc/10 vc/11 tty1 tty2 tty3 tty4 tty5 tty6 tty7 tty8 tty9 tty10 tty11 pts/0 pts/1 pts/2 pts/3 pts/4 pts/5 pts/6 pts/7 pts/8 pts/9 pts/10
修改端口(根據實際狀況修改):it
修改文件/etc/services將文件中:
telnet 8902/tcp
telnet 8902/udp
4、重啓xinetd
service xinetd restart