FreeIPA客戶端sssd.service警告/失敗

Question

此警告是在ubuntu中安裝ipa-client時。 。

Warning: found usr.sbin.sssd in /etc/apparmor.d/force-complain, forcing complain mode 
Warning failed to create cache: usr.sbin.sssd 
Job for sssd.service failed because the control process exited with error code. See "systemctl status sssd.service" and "journalctl -xe" for details. 
sssd.service couldn't start. 

安裝後，我就無法啓動服務（請在下面參考）enter code here

â— sssd.service - System Security Services Daemon 
    Loaded: loaded (/lib/systemd/system/sssd.service; enabled; vendor preset: enabled) 
    Active: failed (Result: exit-code) since Sun 2017-10-08 23:25:12 ; 36s ago 
Main PID: 3500 (code=exited, status=4) 

: Starting System Security Services Daemon... 
: Configuration file: /etc/sssd/sssd.conf does not exist. 
: sssd.service: Main process exited, code=exited, status=4/NOPERMISSION 
: Failed to start System Security Services Daemon. 
: sssd.service: Unit entered failed state. 
: sssd.service: Failed with result 'exit-code'. 

而且在配置IPA - ipa-client-install

Joining realm failed: libcurl failed to execute the HTTP POST transaction, explaining: SSL certificate problem: certificate is not yet valid 

Installation failed. Rolling back changes. 
IPA client is not configured on this system. 

可能有人幫助我在這？

Answer 1

我找到了解決方案，爲什麼它加入IPA服務器時失敗。其實這是由於日期和時間之間的服務器和客戶端。