Enable Telnet In linux
> Not Recommended
1. Check package telnet, with slack-utils.
sll telnet
2. On Package inetd, uncheck # telnet
sudo vi /etc/inetd.conf
telnet stream tcp nowait root /usr/sbin/tcpd in.telnetd
3. Restart inetd
sudo inetd -d
4. Testing localhost telnet
telnet 127.0.0.1