查看Apache加载的模块，就一条命令。

.apachectl -t -D DUMP_MODULES

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
Loaded Modules:
 core_module (static)
 log_config_module (static)
 logio_module (static)
 mpm_prefork_module (static)
 http_module (static)
 so_module (static)
 alias_module (shared)
 auth_basic_module (shared)
 authn_file_module (shared)
 authz_default_module (shared)
 authz_groupfile_module (shared)
 authz_host_module (shared)
 authz_user_module (shared)
 autoindex_module (shared)
 cgi_module (shared)
 deflate_module (shared)
 dir_module (shared)
 env_module (shared)
 mime_module (shared)
 negotiation_module (shared)
 php5_module (shared)
 proxy_module (shared)
 proxy_http_module (shared)
 reqtimeout_module (shared)
 setenvif_module (shared)
 status_module (shared)
Syntax OK