PHP-imagick 安装成功？

root@rkhp100:~# sudo apt-get install php-imagick
Reading package lists... Done
Building dependency tree
Reading state information... Done
php-imagick is already the newest version (3.4.0~rc6-1ubuntu3).
0 upgraded, 0 newly installed, 0 to remove and 153 not upgraded.
root@rkhp100:~#
root@rkhp100:~# php -m | egrep -i imagick
root@rkhp100:~#