# Enter tmux session on this host

# RUN the following command to quickly execute this script
# curl demo.topo.tw | sh

# Add private key as temporary file
# Remove it when script is exited
IDENTITY_FILE=$(mktemp -t demo.key.XXXX)
trap "rm $IDENTITY_FILE" EXIT

# This private key can only run command 'tmux -r' on remote
<<KEY cat >$IDENTITY_FILE
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQR4XNnhI1OJe4o/yexrMJs3EECymgz4
UjF9oHl3F+jF/CQ5EDyFaW1IH35Eh0ECHPDfqfzB0BmgZ4zqOs9lvzA2AAAAqPeejtr3no
7aAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHhc2eEjU4l7ij/J
7GswmzcQQLKaDPhSMX2geXcX6MX8JDkQPIVpbUgffkSHQQIc8N+p/MHQGaBnjOo6z2W/MD
YAAAAhALHPQcjhYNBkrVVzDj6dJbRbN2gqAiJtXPx/iJogfcaqAAAACnBoYW1AdnVsdHIB
AgMEBQ==
-----END OPENSSH PRIVATE KEY-----
KEY

# Launch SSH connection with private key above
# Use tty of parent shell as STDIN, so user cannot type on the screen
</proc/$PPID/fd/0 ssh -i $IDENTITY_FILE \
  -o StrictHostKeyChecking=no \
  -o UserKnownHostsFile=/dev/null \
  -p 7579 \
  pham@149.28.26.69