You must have ispconfig installed and jailkit.
Install Composer – hash updated May 2, 2021
cd ~ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" php -r "if (hash_file('sha384', 'composer-setup.php') === '756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" php composer-setup.php --install-dir=/usr/local/bin --filename=composer php -r "unlink('composer-setup.php');"
Add code to jailkit to use as shell user
Add to /etc/jailkit/jk_init.ini
[php] comment = the php interpreter and libraries executables = /usr/bin/php, /usr/bin/php7.3 directories = /usr/lib/php, /usr/share/php, /usr/share/php, /usr/share/php-geshi, /etc/php,/usr/share/zoneinfo, /etc/snmp, /usr/share/snmp includesections = env [env] comment = environment variables executables = /usr/bin/env [composer] comment = Dependency Manager for PHP executables = /usr/local/bin/composer #directories = /usr/share/composer includesections = php, uidbasics, netbasics
Once that is completed
Go to System – Server Config – Select Server you want jailkit on
add php and composer to Jailkit chroot app sections: