SSH server

• cd     /etc/ssh/
• rm /etc/ssh/ssh_host*
• /etc/init.d/sshd restart
• netstat -tlnp  | grep ssh
• adduser test
• passwd test
• ifconfig
  • =>Find IP
  • =>
• ssh  用戶連線程式(Chapter 11)
  • Linux 用戶
    • >ssh 127.0.0.1
    • >ssh localhost
  • Windows  用戶
    • pietty
      • download: http://ntu.csie.org/~piaip/pietty/download
  • 不需密碼登入
    • Client (ClientLinux)
      • ssh-keygen [-t rsa|dsa]
      • ssh-keygen
      • ls -ld ~/.ssh; ls -l ~/.ssh
      • scp ~/.ssh/id_rsa.pub jdwang@192.168.100.254:~
    • Server(CentOS)
      • ls -ld .ssh
      • (如果沒有.ssh目錄=>mkdir .ssh; chmod 700 .ssh)
      • ls -l *pub
      • cat id_rsa.pub >> .ssh/authorized_keys
      • chmod 644 .ssh/authorized_keys
      • ls -l .ssh
    • Test
      • (ClientLinux)
        • scp /etc/host* jdwang@192.168.100.254:~
        • ssh jdwang@192.168.100.254 "ls -al"
• telnet IP