2.2. 选择 authselect 配置集

验证

1. 验证 /etc/nsswitch.conf 中是否存在 SSSD 的 sss 条目：

   passwd:     sss files
   group:      sss files
   netgroup:   sss files
   automount:  sss files
   services:   sss files
   ...

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2. 在 pam_sss.so 条目中查看 /etc/pam.d/system-auth 文件的内容：

   # Generated by authselect on Tue Sep 11 22:59:06 2018
   # Do not modify this file manually.
   
   auth        required        pam_env.so
   auth        required        pam_faildelay.so delay=2000000
   auth        [default=1 ignore=ignore success=ok]    pam_succeed_if.so uid >= 1000 quiet
   auth        [default=1 ignore=ignore success=ok]    pam_localuser.so
   auth        sufficient      pam_unix.so nullok try_first_pass
   auth        requisite       pam_succeed_if.so uid >= 1000 quiet_success
   auth        sufficient      pam_sss.so forward_pass
   auth        required        pam_deny.so
   
   account     required        pam_unix.so
   account     sufficient      pam_localuser.so
   ...

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