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telnet command

I've installed memcached server under Linux, but it is still showing old data. How do I flush the contents of a Memcached instance / server on Linux or Unix-like systems?
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Fingerprint / Identify Remote Web Server

Q. How do I fingerprint or identify remove web server a from UNIX / Linux shell prompt?
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Ubuntu Linux enable telnet service

Q. How do I install and start telnet service / server under Ubuntu Linux?

A. Telnet is an insecure service. It is recommended that you use ssh service. However sometime telnet server or service is needed. Here are instructions to enable telnet:

Install telnetd server

$ sudo apt-get install telnetd
Restart inetd service:
$ sudo /etc/init.d/openbsd-inetd restart
You should now be able to telnet to the server from Windows or Linux desktop system to Ubentu Linux telnet server. Type the following command to connect to Telnet server:
$ telnet ubentu-linux-server-ip
$ telnet 192.168.1.200
$ telnet ubentu.mydomain.com

See also:

How do I use tar command over secure ssh session?
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