docker-sshd

sshd container:

# adduser -D -s /bin/bash USER && echo "USER:PASS" | chpasswd

remote host:

# ssh-copy-id -p22 USER@GATEWAY_IP

remote host:

# export AUTOSSH_POLL=TIMEOUT_SECOND
# export AUTOSSH_PORT=MONITOR_PORT
# autossh -f -p22 -N GATEWAY_IP -R REMOTE_PORT:localhost:LOCAL_PORT

sshd container:

# netstat -nltp

sshd:

/etc/passwd
/etc/shadow
/etc/group
/etc/profile
/home/
/etc/ssh/
/etc/motd