Utelnetd

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telnet is useful for several applications, such as a backup when updating SSH, and configuring industrial grade routers via console cables.

Note
Telnet sends passwords in plain text

Installation

Unmask utelnetd:

root #echo "net-misc/utelnetd" >> /etc/portage/package.accept_keywords

Install net-misc/utelnetd:

root #emerge --ask utelnetd

Configuration

Boot service

To automatically start utelnetd at boot

root #rc-update add utelnetd default

To start it immediately

root #/etc/init.d/utelnetd start

Test function

user $telnet localhost