linux 用简单密码

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1. vi /etc/pam.d/system-auth as root.

2. Look for the following two lines:

   password    requisite     pam_cracklib.so try_first_pass retry=3
   password    sufficient    pam_unix.so md5 shadow nullok try_first_pass use_authtok
   

3. Comment out the first of the two lines:

   #password    requisite     pam_cracklib.so try_first_pass retry=3
   

4. Remove use_authtok on the second line. Otherwise you’ll get “passwd: Authentication information cannot be recovered” error.

   password    sufficient    pam_unix.so md5 shadow nullok try_first_pass

linux 用简单密码

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原文地址：http://www.cnblogs.com/anjuncc/p/5930127.html