1.2.3   Travail à distance (ASCII)

• Applications en mode ASCII.
• Outils : telnet, rlogin et ssh.
• Principe du terminal virtuel :
  • périphérique de terminal virtuel :

    $ tty
    /dev/ttyp3
    $ stty -a
    speed 9600 baud; rows 24; columns 80; 
    intr = ^C; eof = ^D; erase = ^?; 
    -parenb -parodd cs8 onlcr icanon echoe
    $ stty -echo
    $ stty -onlcr
    

  • périphérique pseudo-terminal :
  
• Exemple de session ssh :

  oleron$ ssh gayant05.priv.eudil.fr
  rex@gayant05.priv.eudil.fr's password:
  Last login: Tue Oct  3 13:14:31 2000 from oleron.eudil.fr on pts/0
  gayant05:~$ exit
  oleron$ ssh-keygen
  Generating RSA keys:  ...oooooO...........................oooooO
  Key generation complete.
  Enter file in which to save the key (/home/imaEns/rex/.ssh/identity):
  Enter passphrase (empty for no passphrase):
  Enter same passphrase again:
  ...
  oleron$ ftp gayant05.priv.eudil.fr
  Connected to gayant05.priv.eudil.fr.
  220 ...
  Name (gayant05.priv.eudil.fr:rex):
  331 Password required for rex.
  Password:
  230 User rex logged in.
  ftp> cd .ssh
  250 CWD command successful.
  ftp> lcd .ssh
  Local directory now /home/imaEns/rex/.ssh
  ftp> put identity.pub authorized_keys
  local: identity.pub remote: authorized_keys
  200 PORT command successful.
  150 Opening BINARY mode data connection for authorized_keys
  226 Transfer complete.
  329 bytes sent in 0.01 secs (27.8 kB/s)
  ftp> quit
  oleron$ ssh gayant05.priv.eudil.fr
  Last login: Tue Oct  3 13:34:39 2000 from oleron.eudil.fr on pts/0
  gayant05:~$