   700.      ,  -
 ,  ,         ~/.ssh  -
  . ,   ~/.ssh/id_rsa.pub    
  -/.ssh/authorized keys   . ,  , 
         .    ssh 
scp           .

   .      ,
    .    -
       root   ,   -
           ,  
        .
       , -
,    ,  -    
.      ,   -
  ,     ,   
 ;       -
         .  , -
  ,    ,    
    .
      ,   -
USB,    ~/ . ssh      ,
   .

  

       .  .
18.5       sshd.

 18.5.  sshd

		
-d- -f -t -D	debug ()error () file ()test ()noDetach ( )	  ,   sshd      ,      .      ,       sshd. .   -. ( ssh      -v, .  ""  "ssh:         "    ).    ,     .      -d.           /etc/ssh/sshd config.       . sshd   .   ,     -d.

 18. OpenSSH:      597