레퍼런스 : http://www.php.net/manual/en/book.ssh2.php
openssl과 php가 깔려있다는 것을 가정
case : centos
source : http://www.libssh2.org/ http://pecl.php.net/package/ssh2
wget http://www.libssh2.org/download/libssh2-1.2.7.tar.gz tar xvfz libssh2-1.2.7.tar.gz cd libssh2-1.2.7 ./configure make;make install
/usr/local/lib/libssh2.so 확인
wget http://pecl.php.net/get/ssh2-0.11.2.tgz tar ssh2-0.11.2.tgz cd ssh2-0.11.2 phpize ./configure make cp ./modules/ssh2.so /usr/lib/php/modules/ vi /etc/php.d/ssh2.ini extension=ssh2.so
case : ubuntu
sudo apt-get install libssh2-php