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Question How to install SSH2
- Thread starter proxene
- Start date
U
UFHH01
Guest
Hi proxene,
for further investigations, people willing to help you need more informations.
Which Plesk version do you use ( incl. the MU pls. )?
Which PHP version do you use as vendor package?
Which PHP version do you use for the domain with possible issues/errors/problems?
Did you consider to install the SSH2 - pecl package ( if "yes" - how did you install it? ) and did you enable this extension for your PHP version with issues/errors/problems?
for further investigations, people willing to help you need more informations.
Which Plesk version do you use ( incl. the MU pls. )?
Which PHP version do you use as vendor package?
Which PHP version do you use for the domain with possible issues/errors/problems?
Did you consider to install the SSH2 - pecl package ( if "yes" - how did you install it? ) and did you enable this extension for your PHP version with issues/errors/problems?
proxene
New Pleskian
Hi UFHH01,
The following information in relation to my problem:
Here is my error: Fatal error: Uncaught Error: Call to undefined function ssh2_connect ()
I use Plesk PHP7 under 12 under Debian 8
I already install SSH2 on the server when I was under PHP5.6
The problem is that I do not know install SSH2 under PHP7 with Plesk and as I did not find the article about it and I've already made my server crash trying I do not want to mishandling.
The following information in relation to my problem:
Here is my error: Fatal error: Uncaught Error: Call to undefined function ssh2_connect ()
I use Plesk PHP7 under 12 under Debian 8
I already install SSH2 on the server when I was under PHP5.6
The problem is that I do not know install SSH2 under PHP7 with Plesk and as I did not find the article about it and I've already made my server crash trying I do not want to mishandling.
U
UFHH01
Guest
Hi proxene,
just for your knowledge:
If you install for example SSH2 with pecl, then you could have used "pecl install ssh2". This process doesn't install the package for additional PHP versions - it installs it for your basic vendor version on your server.
If you desire additional extensions for Plesk-PHP - versions, you have to install them for example with the command(s):
... where X.X is the Plesk-PHP version, you want the desired extension to be installed for. Pls. note, that NOT ALL PECL - extensions are compatible with all PHP - versions. Especially with PHP 7, there are now either new extensions, or even none, which can be installed. When you use the command "pecl install PACKAGE-NAME", always the latest stable version will be used, which doesn't automatically mean, that this version is compatible with your desired PHP version. A possible example for this is:
Now back to your issue, that you only installed SSH2 for your basic, vendor PHP version:
If you experience any issues/errors when installing a PECL extension(s), pls. inform about your procedure to install your extension, so that people willing to help you don't have to write such a whole book, like I did here.
just for your knowledge:
If you install for example SSH2 with pecl, then you could have used "pecl install ssh2". This process doesn't install the package for additional PHP versions - it installs it for your basic vendor version on your server.
If you desire additional extensions for Plesk-PHP - versions, you have to install them for example with the command(s):
/opt/plesk/php/X.X/bin/pecl install ssh2
... where X.X is the Plesk-PHP version, you want the desired extension to be installed for. Pls. note, that NOT ALL PECL - extensions are compatible with all PHP - versions. Especially with PHP 7, there are now either new extensions, or even none, which can be installed. When you use the command "pecl install PACKAGE-NAME", always the latest stable version will be used, which doesn't automatically mean, that this version is compatible with your desired PHP version. A possible example for this is:
/opt/plesk/php/7.0/bin/pecl install memcached
You will see the message:
In such case, you have to look at the PECL - homepage and search for the package ( => https://pecl.php.net/package-search.php ). If you did that, you will be informed with this actual informations:
You will see the message:
In such case, you have to look at the PECL - homepage and search for the package ( => https://pecl.php.net/package-search.php ). If you did that, you will be informed with this actual informations:
You see, there is no available "memcached" version for PHP 7 which you could install with PECL.
Now back to your issue, that you only installed SSH2 for your basic, vendor PHP version:
Pls. consider to use for an actual Plesk-PHP version 7.0.9 the command:
/opt/plesk/php/7.0/bin/pecl install ssh2
You will see, that this doesn't work and a research at the PECL - homepage will show you why:
1. You will have to use the command:
/opt/plesk/php/7.0/bin/pecl install ssh2-1.0
You will see, that this doesn't work and a research at the PECL - homepage will show you why:
1. You will have to use the command:
/opt/plesk/php/7.0/bin/pecl install ssh2-1.0
2. Afterwards, to enable the new ssh2 extension, you have to add it to your "php.d" - folder, so that it will load, when you use Plesk-PHP 7:
echo "extension=ssh2.so" > /opt/plesk/php/7.0/etc/php.d/ssh2.ini
3. And finally, you want the Plesk php-handler to know, that you installed a PHP extension, so pls. perform the command:
plesk bin php_handler --reread
( Now you are able to see the new extension as well over the Plesk Control Panel: Home > Tools & Settings > PHP-Settings > 7.0.9 XXX application )
echo "extension=ssh2.so" > /opt/plesk/php/7.0/etc/php.d/ssh2.ini
3. And finally, you want the Plesk php-handler to know, that you installed a PHP extension, so pls. perform the command:
plesk bin php_handler --reread
( Now you are able to see the new extension as well over the Plesk Control Panel: Home > Tools & Settings > PHP-Settings > 7.0.9 XXX application )
If you experience any issues/errors when installing a PECL extension(s), pls. inform about your procedure to install your extension, so that people willing to help you don't have to write such a whole book, like I did here.
Last edited by a moderator:
I wrote similar little book too https://talk.plesk.com/threads/php-ssh2-problem.337233/
And, just in case, note that ssh2-1.0 version has Alpha state.
