ttysnoop

allows you to spy on telnet+serial connections

Install

All systems
curl cmd.cat/ttysnoop.sh
Debian Debian
apt-get install ttysnoop
Ubuntu
apt-get install ttysnoop
image/svg+xml Kali Linux
apt-get install ttysnoop
Windows (WSL2)
sudo apt-get update sudo apt-get install ttysnoop
Raspbian
apt-get install ttysnoop

ttysnoop

allows you to spy on telnet+serial connections

TTYSnoop allows you to snoop on login tty's through another tty-device or pseudo-tty. The snoop-tty becomes a 'clone' of the original tty, redirecting both input and output from/to it.