[array13]

If you are running centOS , please do the next commands(skip that you have already done)

wget -q -O - http://www.atomicorp.com/installers/atomic | sh
yum upgrade
yum install vsftpd php php-devel openssl-devel php-pear
mkdir libssh2
cd libssh2
yum install gcc
wget http://www.libssh2.org/download/libssh2-1.3.0.tar.gz
tar xvzf libssh2-1.3.0.tar.gz
cd libssh2-1.3.0
./configure
make install
pecl install ssh2 (will give you a error, after that write pecl install ssh2 [channel://.....])
after that vi /etc/php.ini
add on the file(somewhere)
extension=ssh2.so
after that save the file
and restart your webserver
service httpd restart
^^apache web server

and try your commands again.