[centos] install php extension ssh2 환경: CentOS 6.X 설치yum install gcc php-devel php-pear libssh2 libssh2-devel makepecl install -f ssh2 설정touch /etc/php.d/ssh2.iniecho extension=ssh2.so > /etc/php.d/ssh2.ini 서버 재시작service httpd restart 확인php -m | grep ssh2 dev/linux 2016.02.05