Yum Install Telnet Service

Yum installation telnet Service

1. Check if telnet is installed or not

[[email protected] ~]# Rpm-qa |grep telnet

2. view yum source

[[email protected] ~]# Yum list |grep telnet

telnet.x86_64 1:0.17-48.el6 @base

telnet-server.x86_64 1:0.17-48.el6 @base

[Email protected] ~]#

3. performing yum installation

[Email protected] ~]# yum-y install Telnet-server

4. View

[[email protected] ~]# Rpm-qa |grep telnet

Telnet-0.17-48.el6.x86_64

Telnet-server-0.17-48.el6.x86_64

[Email protected] ~]#

5. turn on the telnet service and view the status

[[email protected] ~]#/etc/init.d/xinetd start

Starting xinetd:

[[Email protected] ~]# service Xinedt status

Xinedt:unrecognized Service

[[Email protected] ~]# service xinetd status

XINETD (PID 9636) is running ...

[Email protected] ~]#

6. See if the service is installed

[Email protected] ~]# chkconfig--list |grep telnet

Telnet:on

[Email protected] ~]# chkconfig--list |grep xinted

[Email protected] ~]# chkconfig--list |grep xinetd

xinetd 0:off 1:off 2:off 3:on 4:on 5:on 6:off

XINETD Based services:

[Email protected] ~]#

7. to see if the telnet port is turned on,telnet default port is zero So you can use the command to view

[Email protected] ~]# NETSTAT-APN |grep 23

TCP 0 0192.168.1.52:23 192.168.1.5:4403 established 9670/in.telnetd

TCP 0 0:::23:::* LISTEN 9636/xinetd

UNIX 3 [] STREAM CONNECTED 11923 1288/master

[Email protected] ~]#

the display port is listenning then the service is xinetd

8. test can use this server test also can be used for client testing

This side is with the client

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One thing to note here is that administrators are not allowed to log on by default

so create a new user and then sign in with a new user who can create a new user [email protected] ~]# cat/etc/passwd

Root:x:0:0:root:/root:/bin/bash

Bin:x:1:1:bin:/bin:/sbin/nologin

Daemon:x:2:2:daemon:/sbin:/sbin/nologin

Adm:x:3:4:adm:/var/adm:/sbin/nologin

Lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin

Sync:x:5:0:sync:/sbin:/bin/sync

Shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown

Halt:x:7:0:halt:/sbin:/sbin/halt

Mail:x:8:12:mail:/var/spool/mail:/sbin/nologin

Uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin

Operator:x:11:0:operator:/root:/sbin/nologin

Games:x:12:100:games:/usr/games:/sbin/nologin

Gopher:x:13:30:gopher:/var/gopher:/sbin/nologin

Ftp:x:14:50:ftp User:/var/ftp:/sbin/nologin

Nobody:x:99:99:nobody:/:/sbin/nologin

Vcsa:x:69:69:virtual Console Memoryowner:/dev:/sbin/nologin

saslauth:x:499:76: "Saslauthduser":/var/empty/saslauth:/sbin/nologin

Postfix:x:89:89::/var/spool/postfix:/sbin/nologin

Sshd:x:74:74:privilege-separatedssh:/var/empty/sshd:/sbin/nologin

Zuzhao:x:500:500::/home/zuzhao:/bin/bash

Apache:x:48:48:apache:/var/www:/sbin/nologin

Mysql:x:27:27:mysql Server:/var/lib/mysql:/bin/bash

[Email protected] ~]#

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And then in the login

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Complete.

This article is from the "Tigase Installation and testing" blog, so be sure to keep this source http://jiazuzhao.blog.51cto.com/1123655/1885535

Yum Install Telnet Service