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How to install ssh2 extension for PHP

Question

How to install ssh extension for PHP?

Answer

For CentOS only

For OS php package:

#cd  usr/local/lib/php

  1. Install all missing packages:
    # yum install make gcc glibc-devel zlib-devel openssl-devel php-devel
    
  2. Compile and install libssh2 libraries:
    # wget https://libssh2.org/download/libssh2-1.8.0.tar.gz
    # tar vxzf libssh2-1.8.0.tar.gz
    # cd libssh2-1.8.0/
    # ./configure
    # make
    # make install
    
  3. Compile and install ssh2 extension:
    # wget https://pecl.php.net/get/ssh2-0.13.tgz
    # tar vxzf ssh2-0.13.tgz
    # cd ssh2-0.13
    # phpize
    # ./configure --with-ssh2
    # make
    # make install
    
  4. Add extension to PHP:
    # echo "extension=ssh2.so" > /etc/php.d/ssh2.ini
    
  5. Check that it is working:
    # php -m | grep ssh2
    ssh2
    

For Plesk php(5.6 as example):

  1. Install all missing packages:
    # yum install make gcc glibc-devel zlib-devel openssl-devel plesk-php56-devel
    
  2. Compile and install libssh2 libraries(not required if it was previously done):
    # wget https://libssh2.org/download/libssh2-1.8.0.tar.gz
    # tar vxzf libssh2-1.8.0.tar.gz
    # cd libssh2-1.8.0/
    # ./configure
    # make
    # make install
    
  3. Install ssh2 extension:
    # /opt/plesk/php/5.6/bin/pecl install https://pecl.php.net/get/ssh2-0.13.tgz
    

    on ‘libssh2 prefix? [autodetect] :’ leave empty and press enter

  4. Add extension to PHP:
    # echo "extension=ssh2.so" > /opt/plesk/php/5.6/etc/php.d/ssh2.ini
    
    1. Check that it is working:

      /opt/plesk/php/5.6/bin/php -m| grep ssh2

      ssh2

Note : For Plesk PHP 7.0 it is required to download ssh2-1.0.tgz

 

<?php
phpinfo();
?>

ssh2

SSH2 support enabled
extension version 0.13
libssh2 version 1.8.0
banner SSH-2.0-libssh2_1.8.0

 

you can use the phpseclib library to connect with SFTP. Examples on how to use the phpseclib can also be found on the phpseclib page.

http://phpseclib.sourceforge.net/
http://phpseclib.sourceforge.net/sftp/intro.html

http://phpseclib.sourceforge.net/ssh/intro.html
http://phpseclib.sourceforge.net/ssh/auth.html#rsakey

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