Install ssh2 library (libssh2-php) Setups

Installing the SSH2 PHP extension on CentOS is actually pretty simple. Although it isn’t available as a straight yum install, it boils down to a few short steps.
Firstly, we’re going to install the dependencies:

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yum install gcc php-devel php-pear libssh2 libssh2-devel

These will allow us to build the SSH2 extension using pecl.

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pecl install -f ssh2

After running that command, it should stop at a line like:

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..
 ........done: 22,740 bytes
 5 source files, building
 running: phpize Configuring for:
PHP Api Version: 20041225
Zend Module Api No: 20060613
Zend Extension Api No: 220060519 l
ibssh2 prefix? [autodetect] :

All you have to do is hit Enter and it should detect the proper path. Once the install is completed, you just have to tell PHP to load the extension when it boots.

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touch /etc/php.d/ssh2.ini
echo extension=ssh2.so > /etc/php.d/ssh2.ini

You should add "extension=ssh2.so" to php.ini

Now restart your webserver and test to see if the changes took effect.

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/etc/init.d/httpd restart

php -m | grep ssh2