How to install SSH2 for PHP Shell?

Step : 1
install  openssl if it's not already there in the server by the following way-
#yum install openssl

Step : 2
install  libssh2 by the following way-

#wget http://voxel.dl.sourceforge.net/sourceforge/libssh2/libssh2-0.18.tar.gz
#tar -zxvf libssh2-0.18.tar.gz
#cd libssh2-0.18
#./configure
#make
#make install


Step : 3
Now install ssh2 php module by the following way-

#wget http://pecl.php.net/get/ssh2-0.10.tgz
#tar -xzf ssh2-0.10.tgz
#cd ssh2-0.10
#vi ssh2.c
(Search for the line:
#if LIBSSH2_APINO < 200412301450
and replace it with:
#if LIBSSH2_VERSION_NUM < 0x001000
)
#phpize && ./configure -with-ssh2 && make
#make test
#make install

Step : 4
Link the ssh2 library with php.

copy ssh2-0.10/.libs/ssh2.so to php extension_dir mentioned at php.ini

Add the following line to php.ini-
 extension=ssh2.so

It's done.

Now use a simple function to test it.
<?php
$connection = ssh2_connect('servername', 22);
ssh2_auth_password($connection, 'username', 'password');

if(ssh2_sftp($connection))
{
echo "connect";
}else
{
echo "not connected";
}
?>


That's all :)