安裝好dashboard 登陸出現錯誤

驗證發生錯誤。請稍後再試一次。

While turning SELinux off certainly does the trick, it is somewhat like using a sledgehammer to break a nut. The similar problem was solved for me with by allowing apache to initiate network connections itself, without disabling SELinux completely:

setsebool -P httpd_can_network_connect 1