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readytoact@readytoact-ubuntu:~$ last
readytoa pts/0        :0.0             Sat Jul 25 23:56   still logged in  
readytoa tty7         :0               Sat Jul 25 23:53   still logged in  
reboot   system boot  2.6.28-13-generi Sat Jul 25 23:52 - 23:56  (00:03)   
readytoa pts/1        :0.0             Wed Jul 22 02:10 - 02:13  (00:02)   
readytoa pts/0        :0.0             Wed Jul 22 02:08 - 02:12  (00:03)   
readytoa pts/0        :0.0             Wed Jul 22 01:59 - 02:00  (00:00)   
readytoa pts/0        :0.0             Wed Jul 22 01:15 - 01:15  (00:00)   
readytoa tty7         :0               Tue Jul 21 23:52 - down   (02:21)   
reboot   system boot  2.6.28-13-generi Tue Jul 21 23:51 - 02:13  (02:21)  
readytoact@readytoact-ubuntu:~$ passwd
Changing password for readytoact.
(current) UNIX password:
Enter new UNIX password:
Retype new UNIX password:
passwd: 암호를 성공적으로 업데이트했습니다
readytoact@readytoact-ubuntu:~$

3일만의 로그인-

PDA에 사진을 지우고, 패스워드를 바꾸다.