Start openssh-server in debug mode
Start openssh-server in debug mode and listen on different tcp port:
-
copy openssh-server config file
sudo cp -r /etc/ssh/sshd_config /tmp/sshd_config
-
set ssh sever listen port in new created config file
vim /tmp/ssh/sshd_config
-
start ssh server in debug mode
/usr/sbin/sshd -dD /tmp/ssh/sshd_config