SHELL

ssh debug

# -v' Verbose mode. Causes ssh to print debugging messages about its progress. 
# This is helpful in debugging connection, authentication, and configuration problems. 
# Multiple -v options increase the verbosity. The maximum is 3.

# Example Debug Level 1: 
ssh -v user@server

# Example Debug Level 2: 
ssh -vv user@server

# Example Debug Level 3: 
ssh -vvv user@server