In Ubuntu Linux, enable the TELNET service. sudo apt-get install xinetd telnetd 2. after the installation is successful, the system also prompts (as if 7.10 was available, 6.10 was not seen) sudo vi/etc/inetd. conf and add the following line to telnet stream tcp nowait telnetd/usr/sbin/tcpd/usr/sbin/in. telnetd 3. sudo vi/etc/xinetd. conf and add the following content: # Simple configuration file for xinetd # www.2cto.com # Some defaults, and include/etc/xinetd. d/defaults {# Please note that you need a log_type line to be able t O use log_on_success # and log_on_failure. the default is the following: # log_type = SYSLOG daemon infoinstances = 60log_type = SYSLOG authprivlog_on_success = HOST PIDlog_on_failure = HOSTcps = 25 30} includedir/etc/xinetd. d 4. sudo vi/etc/xinetd. d/telnet and add The following content: # default: on www.2cto.com # description: The telnet server serves telnet sessions; it uses # unencrypted username/password pairs for Uthentication. service telnet {disable = noflags = REUSEsocket_type = streamwait = nouser = rootserver =/usr/sbin/in. telnetdlog_on_failure + = USERID} 5. restart the machine or restart the network service sudo/etc/init. d/xinetd restart 6. use the TELNET client to remotely log on. ifconfig-a // display the local address.