Telnet - Revision history

JulienB: cleanup

2011-11-02T14:43:37Z

cleanup

← Older revision		Revision as of 16:43, 2 November 2011
Line 4:		Line 4:

	==Installation==		==Installation==
	Telnet client and server are installed by default on the standard Armadeus rootfs. (~~Included~~ in Busybox)~~.<br>~~		Telnet client and server are installed by default on the standard Armadeus rootfs (included in Busybox), but requires some configuration:
	As it's not a good idea to log in as root through Telnet, create a user that you will use when connecting:
			===User account creation===
			* As it's not a good idea to log in as root through Telnet, create a user that you will use when connecting:
	<pre class="apf">		<pre class="apf">
	# adduser guest		# adduser guest

	Changing password for guest		Changing password for guest
	New password:		New password:
Line 14:		Line 17:
	</pre>		</pre>

	==~~Usage~~==		===Start script===
	~~===Target~~===		* Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':
	Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':
	<pre class="apf">		<pre class="apf">
	# cat /etc/inetd.conf		# cat /etc/inetd.conf
Line 22:		Line 24:
	</pre>		</pre>

	If so you just have to launch ''inetd'' daemon at the start of your system. You can for example add the following script on your APF as ''/etc/init.d/S60inetd'' (for convenience, a copy of this script can be found in ''target/scripts/'') :		* If so you just have to launch ''inetd'' daemon at the start of your system. You can for example add the following script on your APF as ''/etc/init.d/S60inetd'' (for convenience, a copy of this script can be found in ''target/scripts/'') :

	<source lang="bash">		<source lang="bash">
Line 71:		Line 73:
	</source>		</source>

			* '''be sure that ''/etc/inet.d/S60inetd'' has executable rights !''' Otherwise:
			<pre class="apf">
			# chmod a+x /etc/inet.d/S60inetd
			</pre>

			==Usage==
	===Host===		===Host===
	When you're sure that ''inetd'' is running on your target, launch the connection that way on your PC:		* When you're sure that ''inetd'' is running on your target, launch the connection that way on your PC:
	<pre class="host">		<pre class="host">
	$ telnet 192.168.0.10		$ telnet 192.168.0.10
Line 83:		Line 91:
	armadeus login: guest		armadeus login: guest
	Password:		Password:

	$ uname -a (to check you're really on your board ;-) )		$ uname -a (to check you're really on your board ;-) )
	Linux armadeus 2.6.27.2 #1 PREEMPT Thu Dec 4 14:09:27 CET 2008 armv4tl unknown		Linux armadeus 2.6.27.2 #1 PREEMPT Thu Dec 4 14:09:27 CET 2008 armv4tl unknown

JulienB: /* Host */

2009-10-08T15:03:28Z

Host

← Older revision		Revision as of 17:03, 8 October 2009
Line 72:		Line 72:

	===Host===		===Host===
	When you're sure that ''inetd'' is running on your target, launch the connection that way:		When you're sure that ''inetd'' is running on your target, launch the connection that way on your PC:
	<pre class="host">		<pre class="host">
	$ telnet 192.168.0.10		$ telnet 192.168.0.10

JulienB: /* Target */

2009-08-14T09:31:05Z

Target

← Older revision		Revision as of 11:31, 14 August 2009
Line 22:		Line 22:
	</pre>		</pre>

	If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script (''/etc/init.d/S60inetd'') :		If so you just have to launch ''inetd'' daemon at the start of your system. You can for example add the following script on your APF as ''/etc/init.d/S60inetd'' (for convenience, a copy of this script can be found in ''target/scripts/'') :

	<source lang="bash">		<source lang="bash">

JulienB: /* Target */

2009-06-15T14:25:39Z

Target

← Older revision		Revision as of 16:25, 15 June 2009
Line 22:		Line 22:
	</pre>		</pre>

	If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script to ''/etc/init.d/'' :		If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script (''/etc/init.d/S60inetd'') :

	<source lang="bash">		<source lang="bash">

JulienB at 21:45, 11 March 2009

2009-03-11T21:45:44Z

← Older revision		Revision as of 23:45, 11 March 2009
Line 73:		Line 73:
	===Host===		===Host===
	When you're sure that ''inetd'' is running on your target, launch the connection that way:		When you're sure that ''inetd'' is running on your target, launch the connection that way:
	<pre class="~~apf~~">		<pre class="host">
	$ telnet 192.168.0.10		$ telnet 192.168.0.10
	Trying 192.168.0.10...		Trying 192.168.0.10...
	Connected to 192.168.0.10.		Connected to 192.168.0.10.
			</pre>
			From here we do as if we were directly connected on the target:
			<pre class="apf">
	Escape character is '^]'.		Escape character is '^]'.
	armadeus login: guest		armadeus login: guest

JulienB at 11:29, 16 February 2009

2009-02-16T11:29:54Z

← Older revision		Revision as of 13:29, 16 February 2009
Line 6:		Line 6:
	Telnet client and server are installed by default on the standard Armadeus rootfs. (Included in Busybox).<br>		Telnet client and server are installed by default on the standard Armadeus rootfs. (Included in Busybox).<br>
	As it's not a good idea to log in as root through Telnet, create a user that you will use when connecting:		As it's not a good idea to log in as root through Telnet, create a user that you will use when connecting:
			<pre class="apf">
	# adduser guest		# adduser guest
	Changing password for guest		Changing password for guest
Line 11:		Line 12:
	Retype password:		Retype password:
	Password for guest changed by root		Password for guest changed by root
			</pre>

	==Usage==		==Usage==
	===Target===		===Target===
	Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':		Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':
			<pre class="apf">
	# cat /etc/inetd.conf		# cat /etc/inetd.conf
	23 stream tcp nowait root /usr/sbin/telnetd telnetd -l /bin/login		23 stream tcp nowait root /usr/sbin/telnetd telnetd -l /bin/login
			</pre>

	If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script to ''/etc/init.d/'' :		If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script to ''/etc/init.d/'' :
Line 69:		Line 73:
	===Host===		===Host===
	When you're sure that ''inetd'' is running on your target, launch the connection that way:		When you're sure that ''inetd'' is running on your target, launch the connection that way:
			<pre class="apf">
	~~[ ]~~$ telnet 192.168.0.10		$ telnet 192.168.0.10
	Trying 192.168.0.10...		Trying 192.168.0.10...
	Connected to 192.168.0.10.		Connected to 192.168.0.10.
	Escape character is '^]'.		Escape character is '^]'.
	armadeus login: guest		armadeus login: guest
	Password:		Password:
	$ uname -a (to check you're really on your board ;-) )		$ uname -a (to check you're really on your board ;-) )
	Linux armadeus 2.6.27.2 #1 PREEMPT Thu Dec 4 14:09:27 CET 2008 armv4tl unknown		Linux armadeus 2.6.27.2 #1 PREEMPT Thu Dec 4 14:09:27 CET 2008 armv4tl unknown
			</pre>

	==Links==		==Links==

JulienB: /* Target */

2008-12-06T21:50:45Z

Target

← Older revision		Revision as of 23:50, 6 December 2008
Line 59:		Line 59:
	;;		;;
	*)		*)
	echo "Usage: $0 {start\|stop\|reload\|restart}"		echo "Usage: $0 {start\|stop\|status\|reload\|restart}"
	exit 1		exit 1
	esac		esac

JulienB: /* Target */

2008-12-06T14:46:36Z

Target

← Older revision		Revision as of 16:46, 6 December 2008
Line 22:		Line 22:
	<source lang="bash">		<source lang="bash">
	#! /bin/sh		#! /bin/sh

	[ -f /usr/sbin/inetd ] \|\| exit 0		[ -f /usr/sbin/inetd ] \|\| exit 0

	RETVAL=0		RETVAL=0

	# See how we were called.		# See how we were called.
	case "$1" in		case "$1" in
	start)		start)
	echo -n "Starting INET services: "		echo -n "Starting INET services: "
	inetd		inetd
	RETVAL=$?		RETVAL=$?
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/inet && echo "done"		[ $RETVAL -eq 0 ] && touch /var/lock/subsys/inet && echo "done"
	;;		;;
	stop)		stop)
	echo -n "Stopping INET services: "		echo -n "Stopping INET services: "
	killall inetd		killall inetd
	RETVAL=$?		RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/inet && echo "done"		[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/inet && echo "done"
	;;		;;
	restart)		status)
	$0 stop		echo -n "INET services are: "
	$0 start		if [ -f /var/lock/subsys/inet ]; then
	RETVAL=$?		echo "running"
	;;		else
	reload)		echo "not running"
	killall -HUP inetd		fi
	RETVAL=$?		;;
	;;		restart)
	*)		$0 stop
	echo "Usage: $0 {start\|stop\|reload\|restart}"		$0 start
	exit 1		RETVAL=$?
			;;
			reload)
			killall -HUP inetd
			RETVAL=$?
			;;
			*)
			echo "Usage: $0 {start\|stop\|reload\|restart}"
			exit 1
	esac		esac

	exit $RETVAL		exit $RETVAL

JulienB: /* Target */

2008-12-06T14:37:32Z

Target

@@ Line 18: / Line 18: @@
       stream  tcp     nowait  root    /usr/sbin/telnetd telnetd -l /bin/login
-If so you just have to launch ''inetd'' at the start of your system.
+If so you just have to launch ''inetd'' at the start of your system. You can for example add the following script to ''/etc/init.d/'' :
 ===Host===

JulienB: /* Usage */

2008-12-06T11:30:08Z

Usage

← Older revision		Revision as of 13:30, 6 December 2008
Line 13:		Line 13:

	==Usage==		==Usage==
			===Target===
	Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':		Telnet server (''telnetd'') is launched by ''inetd'' when someone is trying to access port 23. This behaviour can be configured in ''/etc/inetd.conf'':
	# cat /etc/inetd.conf		# cat /etc/inetd.conf
Line 19:		Line 20:
	If so you just have to launch ''inetd'' at the start of your system.		If so you just have to launch ''inetd'' at the start of your system.

			===Host===
			When you're sure that ''inetd'' is running on your target, launch the connection that way:

			[ ]$ telnet 192.168.0.10
			Trying 192.168.0.10...
			Connected to 192.168.0.10.
			Escape character is '^]'.
			armadeus login: guest
			Password:
			$ uname -a (to check you're really on your board ;-) )
			Linux armadeus 2.6.27.2 #1 PREEMPT Thu Dec 4 14:09:27 CET 2008 armv4tl unknown

	==Links==		==Links==