I've already installed php, fcgi, nginx, the system running as no problem, but the problem happen when: I update memory_limit in php.ini, then restart php-cgi, nginx, but when use phpinfo, theo memory_limit is not effected. I install 2 new extensions: curl and memcache, add 2 lines: extension=curl.so and extension=memcache.so, restart php-cgi and nginx, phpinfo also not show up the value curl and memcache in phpinfo. So, how should i do?Please help me.